Showing posts with label fertiliser. Show all posts
Showing posts with label fertiliser. Show all posts

August 12, 2014

New Zealand agricultural history. Whatawhata Hill Country Research Station. Joe McLean

 
By Dr Clive Dalton
(Whatawhata Research Station scientist 1968-1979)

Joe McLean - research station farm manager

Joe McLean
Research on hill country farming needed
In 1952 Joe McLean went to work at the ‘Ruakura Hill Station’ where his father was a fencer. The Ministry of Agriculture and Fisheries had purchased the block to do sheep and beef research to help farmers increase production after WWII. The station of 2000 acres of rough hill country on the Raglan deviation, had been cleared from native bush in earlier times, but a lot of it had reverted to scrub, bracken and gorse due to lack of investment and technology. 

In 1952, the farm had virtually no fences, and even the boundary fence was in disrepair, and there were no decent farm roads or tracks to get around the property.  Joe said the Ministry of Works had the job of solving the access problems – and they had all the gear and expertise to do an excellent job.

Horse power
Horses were used to provide transport for men and materials around the farm, and fence battens and wire were packed out on pack saddles on the horses.  To save work, strainer posts were cut from the large Totara stumps left over from the initial bush clearing, and they were easy to saw and split for fence battens. Chainsaws were not available at that time.

Fencing


Fencing and fence maintenance took up a large amount of Joe’s time, as did the demands of scientists for subdivision for their increasing number of trials to improve and manage pastures.  There must have been hundreds of miles of fence in the station.

Top dressing by air 
Fertiliser had been spread by hand on hill country up to the 1950s, when Ossie James pioneered top dressing first using tiger moth planes, and then much later, the American Fletcher arrived in New Zealand which was a leftover from the Vietnam war.  As a result of the 1939-45 war, there were many young men with flying experience who were keen to enter the developing top dressing industry.

To increase pasture production, the hills were starved of productive grass and clover species (seed spread from the air), which then needed lime and phosphate to help them grow.   Ossie James who was a great personal friend of Joe McLeans had the solution by flying on superphosphate and lime on to the hills.

Joe helped Ossie develop the hopper to hold the fertiliser under the plane, and the bunker to hold and protect the fertiliser from the weather, as well as the loader fitted on the front of a truck or tractor to fill the hopper on the plane.
A lot of this development was don the neighbouring Alf Moore’s airstrip and on other Raglan airstrips.

Joe had many wind-blown rides in Tiger Moth planes, sitting in seat in front of the pilot.  Joe’s boss and the first station Superintendent was Ted Clarke, and Ted’s son Dr Neil Clarke, who was brought up on the station, remembers his Dad relating how he had a rides in a Tiger Moth holding on the spars of the wing, to point out to the pilot which bits of the farm he wanted topdressing.

 In the 1970s, under Director Dr Doug Lang, Joe designed and oversaw the building of an airstrip on the station with the advice of James Aviation.  It was in the middle of the farm to save flying time and fuel.  It has a spectacular take off down a steep hill and a similarly impressive landing for empty planes coming up hill again.

The electric fence
The other great innovation, which helped to revolutionise hill country farming, was the development of the electric fence at Ruakura Research Centre by Doug Phillips, and then it’s commercialisation by Bill Gallagher. Bill consulted Joe on many aspects of hill country fencing in the early stages, and methods of erection.

Gallaghers purchased sawmills in Australia to mill the hard native Jarrah timber for fence posts, which they marketed as ‘insultimber’.  The wood was so dense that current couldn’t flow in them, but they were heavy to handle and were overtaken by plastic.

Due to the steep topography, in the initial clearing, the bush had been left in some of the gullies, which Joe said in later years had been a good idea to prevent erosion. Slips were a common feature of steep slopes in wet winters on the Maeroa ash soils.

In getting power to outlying paddocks, it was always tempting for farmers to run wires, high in the air across deep gullies, rather that take the fence down one steep side and up the other. These high wires were lethal for top dressing planes and had to have visual markers hung on them.  But even so, they were still dangerous and nobody was more aware of this than Joe McLean.

Water supply
Joe spent endless hours developing and maintaining the farm water supply, which became essential once more paddocks were needed for trials. Joe designed a complete farm water reticulation scheme, and carefully mapped it so pipes could be found by others and for future planning.  Water had to be pumped from main creeks to water tanks on top of hills for gravity feed to the rest of the farm.

It was a familiar site to find Joe crouched on a roadway by the side of a small hole he’d dug, 'rolly' cigarette hanging in the side of his mouth, and a small fire in the hole heating a plastic pipe to make a watertight joint.

 Then when more houses were built on the station in the 1970s and 1980s as staff expanded, Joe had their water and septic tank needs to worry about, as well as other maintenance issues.  There was always problems and complaints from tenants about water quality, which came from a main creek out the back of the farm, and which was very weather dependent, as after heavy rain was not good to produce clean washing. New families arriving had to accept a few weeks of gut problems until they ‘got adjusted!

On one occasion a large Friesian cow had fallen down the hill into this main creek and ended up on it’s back, very dead.  There was no way it could be pulled out, so Joe had the solution through his loyal staff member and fencer Jack Jones. Jack had ‘contacts’ at the Te Pahu quarry and a few sticks of gifted gelignite into the cow solved the problem beautifully, leaving a pristine creek in a matter of a mini seconds. You had to look hard to see any evidence of the cow on the surrounding hills.

 The homestead and hostel 

The old Homestead sign rescued by Ray Armstrong
The single men at the station were housed in the hostel’s six rooms under the eagle eye of Mrs (Ma) Smith. She fed them like fighting cocks, and provided food for shearers and visitors from all parts of the world who came to see the station’s work.  Joe was her right-hand man – and dealt with all her needs and complaints.  There were also a smaller single women’s quarters and Ma Smith made doubly sure they were kept well separated.  Ma Smith had good hearing and was very alert to squeaking spring beds!

Joe McLean was revered by a whole range of station Superintendents and Directors, as research expanded. The station changed to be controlled by a Director and dropped the title of the Ruakura Hill Station to be the Whatawhata Hill Country Research Station around 1967. 

As stated above, Ted Clarke was the first Superintendent, followed by veterinarian Dr Gordon Edgar, then Ian Inkster (‘overweight Ian’ Joe called him) and then Dr Doug Lang as the first Director with more independent administrative powers.   Doug was followed by station scientist Graeme Hight, and then Dr Peter Rattray who saw the station wind down.

A famous scientist was Dr Monika Wodzika Tomaszewska whose husband Matthew Wodzika was a shepherd on the farm and sadly died a young man. Monika moved to Ruakura after his death and I took her place, joining the staff from UK in 1968.

L to R:  Clive Dalton. Doug Lang and Minister of Agriculture (and Raglan MP) Doug Carter, visiting the station in 1975.  Photo by Ruakura photographer Don 'whiskers' McQueen taken at the top yards
 Sheep yards and cattle yards
Joe oversaw the building of endless sets of sheep and cattle yards all over the farm, doing both the planning and building. When Joe started at the station, there were no cattle yards, and the first set he built was at the woolshed by the Raglan road.  This building also included the main office, smoko room and scientists offices and lab.

Shepherds complained endlessly about how long it took to get stock from the back of the farm to the yards for routine handling, so pressure was on Joe in the early 1970s for a large new set of sheepyard as well as a cattle yard in the middle of the farm with the luxury of a covered roof.

The new woolshed 

New woolshed and yards in the centre of the farm. Location for Open Days
 The Ministry of Works got the contract to build a new woolshed, but the allocated money ran out before it was fully finished. Joe finished the job by using many small requisitions for material (with Doug Lang’s encouraged approval), without approval by the Research director (Dr Wallace) at Ruakura.  Joe and Doug were masters at this ‘art’ of getting around public service regulations.

 Joe had designed a cover for the new sheep yards but the Ministry of Works wouldn’t approve it, as it had to be made to stand a one-in-a-hundred year cyclone, so it ended up with massive laminated beams and decimation of the budget.

The swimming pool on the station was a classic joint venture by Doug and Joe.  It was officially a fire prevention reservoir for the houses! Photo below shows the Dalton kids (outside pair) and Peterson kids (centre pair) ready to dive in - about 1967.





Joe often joined the station kids for a well-earned swim at the weekends - there must have been 20 kids around the pool at any one time - and they always had friends from town to come and enjoy the fun.  Every kid on the station learned to swim in the pool

 Joe also had to manage the hygiene and testing of the pool and do all the ordering of chemicals. It was one of the few fire safety resevoirs with such high health standards -but no bureurcrat ever questioned this.

 Annual Field days
At the annual Field Day in Ruakura week in June, there would regularly be 1000 farmers who would trek their way (by foot and on wheels) up to the top yards to see scientists reporting their research. Even buses were driven up the one lane track to the terror of many passengers. 

To relieve visitors and staff from the suicide track, Joe oversaw the building of a new track down from the yards so a looped one-way traffic system could be used. This again was another McLean major engineering job.

Dog motels
The ‘dog motel’ was another masterpiece of Joe’s work. Before the top yards were built, the dogs were housed in kennels right outside the old woolshed and offices, and their barking and smell were always a challenge to conversation with visitors to the station, especially those from MAF head office in Wellington. 

So Joe had the job of designing a new set of kennel motel units for the 20 dogs, and it was a masterpiece of design and construction.  There was a spring coming out of the steep hill above the kennels, which Joe channeled into the motel to provide a constant supply of clean running water.

At Field days, Joe knew that farmers came to criticise, but they also quietly came to copy Joe’s ideas. Nothing made Joe happier.

Neil Woods - station engineer
Joe was greatly assisted in his innovative ideas by Neil Woods who was the workshop engineer. Difficult challenges took time, and impossible ones took a little longer for Neil who invented and made a mind-boggling range of gear.  These included bridges to be dropped across creeks, cradles to do laparoscopy on sheep, trailers to carry bulls, gates of all sorts and sizes, cattle stops galore, and a classic loading ramp with counterbalance weights so it could fit any size of truck deck. 


Paper work
Joe had an amazing admin load to keep the paper work going.  This was endless with materials needed by everyone on the station – right down to the meat from the Ruakura abattoir for the dogs.  All these orders required Joe to make a weekly trip (and more if needed), to the store at Ruakura in the station van or truck.  Beside the requisition book on Joe's desk was an official government ash tray made of Bakelite, full to overflowing with buts.

Weather station
The weather station was another of Joe’s responsibilities with daily collection of data to be sent to the Met office in Wellington.  Rangi Wood (Neil’s wife) did the reading, but Joe was her stand-in and had to supervise the data and make sure it got to Wellington each month on time.


Gorse 

Gorse was the biggest pest on all the Raglan hills, and spraying it was an annual battle which Joe did himself, and then supervised contractors like Bill Binder who worked at the station for decades.  They never won the war!  Bill Binder's spray unit was an old army troop carrier, which carried about a mile of hose that Bill dragged through man-high blocks of gorse.  His skin was permanently pink from the dye in the 245T spray. Bill lived well into his 90s so he must have had a strong tolerance of carcinogens.
 

 Retirement
Joe ended his days in retirement with his wife and lifelong supporter Molly, living on the station, looking out on all his hard work, but with the satisfaction that he had made a major contribution to New Zealand hill country research and farming.  We put him in twice  for a New Zealand honour , but he refused to accept one. That was the calibre of the man – he never wanted public recognition or thanks.  His death was sadly mourned by hundreds of those who had worked at the station over many decades, and from all parts of the world.

At the opening of the new buildings on the station around 1980,(which were subsequently moved to the Ruakura campus),  there was a station gathering at which I read my poem, and presented Joe and Neil Woods with ‘The Whatawhata Long Service Medal’ for their contribution to research.  It was a polished brass cow tag that we used before plastic tags were invented.  They should both have had real ones.


An Ode to Joe McLean, 
Farm manager for over 40 years service. Died 2008
By Clive Dalton 
The fence is down
The creek is blocked
The water's all aflo,
We're heading for a balls up
If we can't find blardy Joe.

The rails are on
The posts are in
But the concrete's drying slow,
Jock's bringing in the blardy cows
For God's sake send for Joe.

The shearing's due
The shed's not ready
The Min. of Works are slow,
We'll never finish it ourselves
Just leave the job to Joe.

The track has gone
The hillside's cracked
Any minute she could go,
We'll lose the whole damn'd paddock
We'd better send for Joe.

Jack's cut the pipe
The water's brown
The nappies ‘ill never clean,
Carol's talked to Rangi
And she's after Joe McLean.

A run cow’s died
She's in the creek
She's poisoning the domestic flow,
Jack's blown her out with jelly
Who showed him - it was Joe.

The weather's right
The fern's been lit
Back Range is all aglow,
Oh shit - the fire's in the bush
Jeeesus - send for Joe.

Ruakura’s phoned
They're seeking blood
The requisition's not been seen,
They're asking who approved the job
We all said - Joe McLean.

For all of us
Who spent time here
There's one thing we all know,
That we owe a massive vote of thanks
To our idol we call JOE!

And when that day
St Peter calls
Cos' his gorse has begun to grow,
He’ll open up the pearly gates
And say - Come in mate, you must be Joe!


Further reading
Farrelly, Elizabeth, J. (1986).  Whatawhata Hill Country Research Station.  An historical review.  Ejay Enterprises.  









January 25, 2009

Cattle farm husbandry – monthly management diary

Cattle, farming, husbandry, monthly management tasks, livestock, feeding/pasture management, animal health, fertiliser, general & business management tasks

By Dr Clive Dalton




All farms are different
Every NZ farm is different and there are enormous differences between regions and districts in the timing of farm operations. Generally farming activities in the NZ South Island are at least a month later than on North Island farms. So use this calendar as a memory jogger, and get advice from local farmers or consultants who have many years of experience in your area.

JUNE
Livestock

  • All non-productive stock should be off the farm to reduce feed demand.
  • Check cow weight and condition score targets.
  • Make early plans for calving – check you have all the gear.
  • Finalise the calf rearing programme and check you have all gear needed.
  • Check that disposal methods for dead stock are in order.
Feeding/Pasture management
  • Feed will be getting short so carry out a full feed budget, and check feeding levels for stock, especially those needing special care like pregnant cows and young stock.
  • Avoid pugging pastures in wet weather.
  • Check management of new grass paddocks sown in autumn.
Animal health
  • Discuss a detailed animal health programme for next season with your vet.
  • Ask your vet to arrange blood profiles for minerals and trace elements.
  • Start supplementation with magnesium if needed.
  • Palpate dry cows’ udders regularly (weekly) for possible mastitis.
  • Watch out for early abortions – and get all cases checked by your vet.
  • Update animal health records.
Fertiliser
  • Plan for some nitrogen fertiliser when soil temperatures are above 6-10°C, provided soils are not too wet.
  • Check progress of new pastures sown in autumn – they may need nitrogen at 25-30 kg N/ha.
General & business
  • Check the farm maintenance programme.
  • Depending on balance date, book the date for your annual formal review of the business with accountant, banker and farm consultant.
  • Contact banker/accountant to check GST payments and pay accounts monthly.
  • Input data to PC to estimate cash position and bank requirements for payment of creditors and finalise cash book.

JULY
Livestock

  • Cows should have reached condition score 5 and heifers condition score 5.5 for calving.
  • Separate cows about to calve (springers) and watch for mastitis.
  • Make sure early-calved cows get full attention – dairy cows to be milked out fully, and check all calvers are free from udder problems.
  • Fully feed all calved cows.
  • Get calf tags, rearing pens, bedding and feeding equipment ready.
Feeding/Pasture management
  • Have regular farm walks to assess pastures and update feed budgets.
  • Check on feed and mineral supplement use.
  • Check cow live weight and condition score targets.
  • Lactating cows to be fed on rising plane of nutrition.
Animal health
  • Continue magnesium supplementation.
  • Watch for abortions.
  • Watch for bloat.
  • Note all cows that are likely to have delayed oestrus – e.g. difficult calvings, have twins, downer cows and cows with metabolic diseases. These may need treatment before mating.
  • Vaccinate calves for blackleg when 6-8 weeks old.
  • Check calves for lice.
  • Update animal health records.
Fertiliser
  • Consider strategic use of nitrogen at 30 – 50 kg N/ha to provide feed post-calving.
General & business
  • Do regular checks of electric fence, farm vehicles and water supply.
  • Check financial budget and cash flow and pay accounts monthly.
  • Input data to PC to estimate cash position and bank requirements for payment of creditors and finalise cash book.

AUGUST
Livestock

  • Give special attention to feeding newly-calved cows and especially heifers.
  • Check cow live weight and condition score targets.
  • Milk out all cows as soon as possible after calving and check for mastitis.
Feeding/Pasture management
  • Feed budgets to be updated.
  • Have regular farm walks to assess pastures.
  • Checks on supplement use.
  • Grazing rotation should be around 20-30 days.
  • Grazing residuals should be around 1600-2000kg DM/ha with no clumps left.
Animal health
  • Continue magnesium supplementation.
  • Treat clinical cases of mastitis and keep records.
  • Check cows that have not calved by due dates and discuss with your vet what to do with them.
  • Tail paint to record when cycling activity starts in dairy stock. This is not so important with beef cows mated later.
  • Watch for bloat.
  • Update animal health records.
Fertiliser
  • Consider strategic use of nitrogen at rates similar to July which will provide feed in the second and third grazing round after calving.
  • Plan and carry out your soil and pasture testing programme
General and business
  • Do regular checks of electric fence, farm vehicles and water supply.
  • Check financial budget and cash flow and pay accounts monthly.
  • Input data to PC to estimate cash position and bank requirements for payment of creditors and finalise cash book.

SEPTEMBER
Livestock

  • Cow live weight and condition score targets to be checked.
  • Check planning and facilities for AI programme with dairy stock next month.
  • Check you have beef bulls organised.
  • Get the vet to check non-cycling cows.
  • Tail paint and start recording pre-mating heats. Some farmers like to start this earlier (August).
Feeding/Pasture management
  • Fully feed all lactating cows.
  • Feed budgets to be updated.
  • Do regular farm walks to assess pastures.
  • Check on supplement use.
Animal health
  • Vet check non-cycling cows.
  • Maintain tail paint and record pre-mating heats if going to use AI.
  • Day 42 of calving – check all late calving cows.
  • Check that all service bulls have been arranged.
  • Watch for bloat.
  • Ensure all calf dehorning is being done effectively (with anaesthetic).
  • Castrate any calves not left as bulls before they are 6 weeks old.
  • Update animal health records.
Fertiliser
  • Consider strategic use of nitrogen at rates as for July and August.
  • Consider applying your maintenance fertiliser nutrients, including P, K, S and Mg if and as required, based on soil and pasture test results and farm production.
  • Trace element additives, such as Se, Cu or Co can be applied with the maintenance fertiliser if required.
General and business
  • Do regular checks of electric fence, farm vehicles and water supply.
  • Check financial budget and cash flow and pay accounts monthly.
  • Input data to PC to estimate cash position and bank requirements for payment of creditors and finalise cash book.
  • Finalise cash book.

OCTOBER
Livestock

  • Check cow live weight and condition score targets.
  • Check calf growth progress.
  • Start AI programme or turn the bulls out.
  • Monitor heat detection progress.
  • Organise bulls to follow up after AB programme. Have reserve bulls in case of accidents.
Feeding/Pasture management
  • Fully feed all lactating cows.
  • Have regular farm walks to assess feed.
Animal health
  • Check on calf weaning strategy.
  • Check need for clostridial vaccinations.
  • Review drench programme.
  • Get vet to check late cycling cows.
  • Vet check all bulls that come on to the farm (especially for Tb, EBL and BVD). Watch for bloat.
  • Update animal health records.
Fertiliser
  • Consider strategic use of nitrogen at 20 to 30 kg N/ha to increase silage production and make sure cows are fully fed.
  • Apply any capital fertiliser recommended if the objective is to lift soil fertility levels.
  • Apply maintenance fertiliser as for September if you haven’t already done so.
General and business
  • Check electric fences, farm vehicles and water supply.
  • Check financial budget and cash flow and pay accounts monthly.
  • Input data to PC to estimate cash position and bank requirements for payment of creditors and finalise cash book.

NOVEMBER
Livestock

  • Check cow live weight and condition score targets.
  • Analyse and check progress of AI programme and how bulls have been working.
  • Check bulls are actually serving the cows – and watch for injuries.
Feeding/Pasture management
  • Fully feed all lactating cows.
  • Do regular farm walks to assess feed.
  • Start identifying true pasture surpluses for silage or hay.
  • Make silage from surpluses.
Animal health
  • Check calves for any weaning checks in growth.
  • Watch for bloat.
  • Update animal health records.
  • Make plans for pregnancy testing.
Fertiliser
  • Consider strategic use of nitrogen to build up a feed surplus for summer.
  • Lime can be applied any time from now until late April if needed.
General and business
  • Checks electric fences, farm vehicles and water supply.
  • Check financial budget and cash flow and pay accounts monthly.
  • Input data to PC to estimate cash position and bank requirements for payment of creditors and finalise cash book.

DECEMBER
Livestock

  • Check cow live weight and condition score targets.
  • Finish AI programme and analyse results. Take appropriate action if needed.
Feeding/Pasture management
  • Fully feed lactating cows.
  • Do regular farm walks to assess feed.
  • Make silage or hay from surplus pasture.
Animal health
  • Check growth and health of calves.
  • Carry our early pregnancy testing of dairy stock.
  • Examine and treat repeat breeders.
  • Plan to start zinc drenching for Facial Eczema (FE) next month (in prone areas).
  • Update animal health records.
Fertiliser
  • Consider strategic use of nitrogen provided there is adequate soil moisture and the pasture is still growing.
  • Apply lime if required from soil test results.
General and business
  • Check electric fences, farm vehicles and water supply.
  • Check financial budget and cash flow and pay accounts monthly.
  • Input data to PC to estimate cash position and bank requirements for payment of creditors and finalise cash book.

JANUARY
Livestock

  • Check cow live weight and condition score targets.
  • Remove bulls and decide on their fate.
Feeding/Pasture management
  • Fully feed lactating cows.
  • Feed supplements when needed.
  • Do regular farm walks to assess feed.
  • Make hay and late silage (balage).
  • Start increasing the grazing round if pastures get dry.
Animal health
  • Start FE protection and check that dose rates are delivering the correct level of zinc.
  • Update animal health records.
Fertiliser
  • Probably too dry and hot to apply nitrogen, unless irrigation is available.
General and business
  • Check electric fences, farm vehicles and water supply.
  • Check financial budget and cash flow and pay accounts monthly.
  • Input data to PC to estimate cash position and bank requirements for payment of creditors and finalise cash book.

FEBRUARY

Livestock

  • Check cow live weight and condition score targets.
  • Get rid of early culls (unproductive or barren stock) and fully feed productive stock.
  • If pastures are drying up rapidly, feed out supplements.
Animal health
  • Continue FE protection in prone areas.
  • Start calf leptospirosis vaccinations for dairy stock.
  • Watch for ryegrass staggers when pastures start to dry up.
  • Update animal health records.
  • Start pregnancy testing.
Fertiliser
  • Probably too dry and hot to apply nitrogen, unless irrigation is available.
  • Lime and maintenance fertiliser may be applied if required.
General and business
  • Check electric fences, farm vehicles and water supply.
  • Check financial budget and cash flow and pay accounts monthly.
  • Input data to PC to estimate cash position and bank requirements for payment of creditors and finalise cash book.

MARCH
Livestock

  • Check cow live weight and condition score targets.
  • Fully feed all lactating cows.
  • Dry off early any cows that are not producing or losing condition.
Feeding/Pasture management
  • Update feed budgets.
  • Make regular farm walks to assess pastures.
  • Check on supplement use.
  • Feed supplements if needed to maintain lactation and body condition.
  • Identify pastures that may need to be renewed.
Animal health
  • Continue FE protection in prone areas.
  • Check on calf growth and health.
  • Update animal health records.
  • Use liver samples from culled cows to check for trace element status through your vet.
  • Carry out pregnancy testing.
Fertiliser
  • Consider strategic use of nitrogen at 20-30kg N/ha to start and build up autumn feed.
  • Carry out soil tests and review fertiliser programme with consultant.
  • Apply any autumn fertiliser needed.
General and business
  • Check electric fences, farm vehicles and water supply.
  • Check financial budget and cash flow and pay accounts monthly.
  • Input data to PC to estimate cash position and bank requirements for payment of creditors and finalise cash book.
  • If 31 March is balance date – lodge books with accountant by 1 May.

APRIL
Livestock

  • Check cow live weight and condition score targets.
  • Consider fate of non-productive cows – dry off or cull them.
Feeding/Pasture management
  • Fully feed any lactating cows.
  • Feed supplements to maintain productive stock.
  • Do regular farm walks to assess pastures and update feed budgets.
  • Check on supplement use.
  • Start pasture renewal programme.
Animal health
  • Finish FE zinc prevention if not required. Could continue into May.
  • Do liver tests for trace elements through your vet.
  • Check growth and health of any young stock on the farm.
  • Update animal health records.
Fertiliser
  • Consider strategic use of nitrogen at 20-30 kg N/ha to build up late autumn/early winter feed.
General and business
  • Check electric fences, farm vehicles and water supply.
  • Check financial budget and cash flow and pay accounts monthly.
  • Input data to PC to estimate cash position and bank requirements for payment of creditors and finalise cash book.

MAY
Livestock

  • Check cow live weight and condition score targets.
  • Dry off any cows still milking.
Feeding/Pasture management
  • Do regular farm walks to assess pastures and update feed budgets.
  • Check on feed supplement use.
  • Make plans to avoid pugging during winter.
Animal health
  • Use appropriate dry cow treatment in consultation with vet.
  • Arrange liver tests for trace elements.
  • Check new pastures and crop for high nitrate levels.
  • Review animal health programme with your vet (for the past and future season).
  • Update animal health records.
  • Check growth and health of young stock on the farm.
Fertiliser
  • Consider strategic use of nitrogen as for April.
General and business
  • Check electric fences, farm vehicles and water supply.
  • Check financial budget and cash flow and pay accounts monthly.
  • Input data to PC to estimate cash position and bank requirements for payment of creditors and finalise cash book.
  • If 31 May is balance date – lodge books with accountant by 1 July.

Disclaimer This material is provided in good faith for information purposes only, and the author does not accept any liability to any person for actions taken as a result of the information or advice (or the use of such information or advice) provided in these pages.

August 4, 2008

Soil and Fertiliser Glossary

Acidulated: Fertiliser manufacturing process where acids are used.
Aeration: Process where air gets into the soil pores.
Aggregate: Cluster of soil particles (sand, silt and clay).
Allophanic soils: Soils containing aluminium and silicon formed from volcanic ash.
Alluvial soils: Soils deposited on land by water.
Ammonium nitrate: Inorganic fertiliser with 33% or rapidly available N.
Ammonium phosphates: Inorganic fertiliser containing N(33%).
Ammonium sulphate: Inorganic fertiliser containing N(21%) and S(24%).
Ammonium nitrogen: Inorganic soluble form of N.
Anion: Ion carrying one or more negative charges.
Anion storage capacity (ASC): Measure of the capacity of soil to store nutrients e.g. P and S: Previously known as phosphate retention capacity.
Ash soils: Yellow-brown loams, brown granular loams and clays, and red brown loams, derived from volcanic eruption.
Available nutrients: Nutrients in soil easily absorbed by plants.
Available water: Proportion water in soil that is easily absorbed by plants.
Available water-holding capacity: Sum of available water capacity of each root-containing layer.
Bare fallowing: Fallow leaving bare soil.
Base saturation: Percentage of cation exchange capacity of a soil saturated with basic cations.
Base cations: Calcium (Ca), magnesium (Mg), sodium (Na) and potassium (K).
Biomass: Living organisms in the soil.
Borax: Trace element fertiliser containing 11% boron.
Boron: B.
Border dyking: Levees or borders to control flow of water on to land.
Brassica crops: Cauliflowers, cabbages, turnips and Swedes.
Brown earths: Aerobic soils with brown colour due to iron particles on soil particles.
Buffering capacity: Ability to resist changes in pH; also changes in concentration in nutrient concentration.
Bulk density: The mass of a standard volume of soil.
C:N ratio: Concentration of carbon in organic matter divided by the concentration of nitrogen.
Calcareous: Containing calcium carbonate (limestone).
Calcined magnesite: Inorganic fertiliser containing 50-55% magnesium in rapidly available form.
Calcium sulphate: Gypsum. Inorganic fertiliser containing S(20%) in rapidly available form.
Cation: Ion carrying one or more positive charges.
Cation storage capacity (CSC): Measure of capacity of a soil to store nutrients e.g. Ca, M.G., K and Na. Also called cation exchange capacity.
Chelates: Trace elements combined into organic molecules which makes them readily available to plants.
Clay soils: Soil containing fine mineral particles no bigger than 0.002mm in diameter.
Clod: Large dense lump of soil.
Co: Cobalt.
Coarse soil texture: Soil dominated by sand-sized mineral particles.
Cobalt sulphate: Trace element fertiliser containing Co (21%).
Compaction: Soil where heavy machinery of stock have destroyed air-filled pores.
Concretion: Soil particle composed mainly of a single chemical compound e.g. Calcium carbonate or iron oxides.
Copper sulphate: Trace element fertiliser containing Cu(25%).
Cover crop: Crop planted to protect the soil surface or seed planted after it has started to grow e.g. Grass seed in crop of barley.
Crop residue: Unharvested part of a crop (roots and straw).
Crop rotation: Sequence of different crops grown on an area of lad which could include a fallow.
Crumb structure: Small, rounded, porous aggregates in soil.
Denitrification: Reduction of nitrate or nitrate nitrogen to gaseous form.
Development fertiliser: Fertiliser applied to boost the overall fertility of a farm.
Diammonium phosphate: Inorganic fertiliser containing N (18%). P (21%) and K(0), S(2%).
Dolomite: Form of limestone containing calcium or magnesium carbonate. Has 10% Mg in slow release form.
Effective root depth: Depth of soil before root penetration stops.
Elemental Sulphur: Inorganic fertiliser which is 100% S in slow release form.
Equivalent acidity: Weight of pure calcium carbonate (limestone) to neutralise the acidity caused by applying 100kg of fertiliser.
Erosion: Loss of soil by wind, water or ice.
Essential plant nutrients: Chemical elements essential for normal plant growth.
Eutrofication: Enrichment of surface water with plant nutrients causing weed and algal growth, and anaerobic conditions.
Fallow: Period when no crop is grown.
Fe: Iron.
Ferrous sulphate: Trace element fertiliser containing 19% Fe.
Fertiliser: Any organic or mineral material added to soil to supply essential nutrients for plant growth. (Not the legal definition).
Field capacity: Soil water content 2-3 days after a saturated soil has been allowed to drain, and when free drainage has stopped.
Fine texture soils: Soils in which fine particles (clay and silt) predominate.
Fixation: Process that converts plant nutrients from soluble form to less soluble form.
Friable soil: Soil which breaks down with ease to desirable tilth.
Gley soil: Soil developed under poor drainage.
Granular structure: Soil with well-defined crumb structure.
Green manuring: Growing a crop e.g. oats, lupins to plough back into the soil.
Ground water: Zone below soil surface in which water can move freely.
Growing degree days: Number of days when air temperature is above 10ºC.
Gumland soils: Soils containing the resin from kauri trees.
Gypsum: Inorganic fertiliser containing 20% S in rapidly available form. Calcium sulphate.
Heavy metal: Toxic metallic elements e.g. Cadmium, mercury, arsenic, chromium, lead and nickel.
Horizon: Horizontal layers in the soil profile differing in appearance and chemical properties.
Hump and hollow: Reshaped land surface to help drain off surface water.
Humus: Stable form of organic matter in soil containing plant and animal residues decomposed by micro-organisms.
Impeded drainage: Condition where no free movement of water through soil is possible.
Impervious: Resistant to water or plant roots.
Infiltration: Entry of water into the soil surface.
Immobilisation: Reverse of mineralisation.
Inorganic: Mineral substances containing carbon only in the form of carbonates.
Intrazonal soils: Soils influenced when formed by parent material or temporary or permanent saturation.
Ions: Electrically charged particles formed when substances dissolve in water. Anions have negative charge and cations have positive charge.
Iron pan: Narrow layer of soil in which individual particles are cemented together by iron oxides.
Labile nutrients: Plant nutrients in soil that are able to replenish the soil solution rapidly to maintain plant growth.
Land classification: Grouping land into categories based on suitability for purpose.
Leaching: Removal of nutrients from upper soil layers by downward movement of water.
Limestone: Rock made up mainly of calcium carbonate.
Liquid fertilisers: Fertilisers spread in liquid form.
Loam: Soil containing sand, silt and clay-sized particles without any one type dominating.
Macronutrient: Element required in large amounts for plant growth.
Magnesium oxide: See Calcined magnesite.
Magnesium sulphate: Inorganic fertiliser containing 10% Mg in rapidly available form.
Maintenance fertiliser: Fertiliser applied to replace nutrients removed from the soil.
Manganese sulphate: Trace element fertiliser containing 24% Mn.
MAX: Maximum available water-holding capacity of soil root zone.
Mb: Molybdenum.
Melanic soils: Soils with dark surface horizon rich in nutrients such as Ca and Mg.
Micronutrient: Element required in small amounts (ppm) for plant growth.
Mineral nitrogen: Soluble N compounds in nitrate, nitrite or ammonium forms.
Mineral soil: Soil consisting mainly of mineral materials and less than 20% organic matter.
Mineralisation: Process where micro-organisms convert plant nutrients from organic to inorganic form.
Mn: Manganese.
Mole drainage: Dragging metal plug (mole) through soil to make drainage tunnels.
Monoammonium phosphate: Inorganic fertiliser containing N(11%). P(21%) and K(0), S(2%).
Mulch: Material applied to soil to prevent water loss by evaporation and suppress weed growth.
Nitrate nitrogen: Inorganic soluble form of N.
Nitrogen assimilation: Incorporation of N into organic materials by living organisms.
Nitrogen cycle: Process of how nitrogen is used in a grazing system incorporating N from the air, the role of N fixing by legumes, and return of dung and urine from the animal.
Nitrogen fixation: Conversion of nitrogen gas in the air by rhizobia bacteria on roots of legumes into forms that can be used by plants.
Nutrient budget: Exercise to balance nutrients applied with nutrients removed from the farm.
Nutrient cycling: Process of nutrients moving from soil to plants and returned again to soil.
Olsen P test: Measure of plant available P.
Organic soil: Soil containing more than 20% organic matter.
Over liming: Applying more lime than needed to achieve optimum pH.
Oxidation pond slurry: Content of farm oxidation pond used as organic fertiliser.
Parent material: Material from which the soil is formed.
Partially acidulated phosphate rock (PAPR): Inorganic fertiliser containing P in both soluble and slow release form. Total P content around 15%.
Peat: Soil formed by accumulation of undecomposed or partially decomposed plant residues.
Permanent wilting point: Water content of soil at which plants wilt and don’t recover.
Permeability: Ease which with water, gases or water can pass through a soil.
pH: Measure of acidity or alkalinity of soil.
Phosphate retention capacity: Soils capacity to absorb phosphate anions.
Plasticity: Ability for soil to stay in shape after being moulding with fingers.
Plough pan: Soil layer with poor permeability formed below depth of regular cultivation.
Poaching: Same as pugging.
Podzols: Strongly leached acid soils with clearly defined bleached horizon.
Porosity: Volume of pores as percentage of volume of soil.
Potassium chloride: Inorganic fertiliser containing 50% potassium in rapidly available form.
Potassium sulphate: Inorganic fertiliser containing 40% K and 17% S in rapidly available form.
Profile: Vertical section through soil exposing different horizons.
Pugging: Destruction of surface structure of wet soils by stock or traffic.
Pumice soils: Soils formed from volcanic pumice.
Quick test K(QTK): Measure of plant available K.
Quick test Mg(QTMG): Measure of plant available Mg.
Raw soils: Very young soils with no distinct profile.
Reaction: Acidity or alkalinity of soil expressed as pH value.
Reactive phosphate rock (RPR): Natural occurring, slow-release P fertiliser containing between 12-15% P. An unacidulated fertiliser.
Recent soils: Weakly weathered soils with little profile but with distinct topsoil.
Rhizobia: Bacteria live in root nodules on legumes that convert atmospheric N into plant available N.
Rhyolite: Derived from rhyolite, a fine-grained igneous rock that occurs in larva flows.
Rill erosion: Erosion forming small gullies or rills on soil surface.
Ripping: Same as subsoiling.
Root nodules: Small growth on roots of legumes containing rhizobia bacteria.
Root zone: Depth to which roots penetrate.
Run-off: Rainfall or irrigation water which flows off soil surface.
Saline soils: Salt-affected soils.
Sand: Mineral soil particles between 0.02 and 2mm in diameter.
Sandy soil: Soil with texture dominated by sand fraction.
Saturate: To fill to capacity e.g. Soil pores with water.
Se: Selenium.
Sedimentary soil: Soil formed by layers of material deposited by wind or water.
Sheet erosion: Small amounts of soil eroded in a uniform manner from soil surface.
Silt: Mineral soil particles between 0.002 and 0.02mm.
Silting: Deposition of water-borne soil particles in a stream or lake or on flooded land.
Sulphur leaching index (SLI): Index of likely loss of sulphate Sulphur from root zone by leaching.
Slow-release fertiliser: Fertilisers that release their nutrients over an extended period.
Sodium molybdate: Trace element fertiliser containing 39% Mb.
Sodium selenate prills: Trace element fertiliser containing 1% Se.
Soil cap: Dense layer on surface of soil.
Soil solution: Water in soil and materials dissolved in it.
Soil structure: Arrangement of primary soil particles (sand, silt, clay) into aggregates.
Soil tests: Chemical estimates of soil‘s ability to supply nutrients available to plants.
Soil water deficit: Difference between actual amount of water in soil and its water holding capacity.
Solubor: Trace element fertiliser containing 20% Bo.
Sorption: Combination of adsorption and absorption where ions are removed from soil solution by reacting with soil particles.
Subsoil: Soil below B horizon, below cultivated layer or below the root zone.
Subsoiling: Breaking the compact subsoil with tines and without inverting it.
Subsurface tillage: Cultivation with blade to cut plant roots to loosen soil without inverting it.
Sulphate of ammonia: See ammonium sulphate.
Sulphate Sulphur: Inorganic soluble form of S.
Sulphur leaching index: Empirical assessment of potential for sulphate Sulphur to be leached from soil.
Superphosphate(Single super): Rapid release inorganic fertiliser containing around 9%P and 12% S. A fully acidulated P fertiliser.
Superphosphate(Triple super): Rapid release inorganic fertiliser containing around 20%P and 2% S. A fully acidulated P fertiliser.
Surface drains: Reshaped land surface to help removal of surface water.
Texture: Relative proportion of solid primary particles (sand, silt and clay) in a soil.
Tile drain: Clay pipes in subsoil to remove surface water.
Tilth: Fine texture of topsoil required before sowing.
Topsoil: Uppermost layer of soil. The cultivated area.
Ultic soils: Strongly weathered soils with accumulation of clay in the subsoil.
Unacidulated: Process in fertiliser manufacture involving acid.
Urea: Inorganic fertiliser with N (46%) in rapidly available form.
Whey: Byproduct from cheese manufacture used as cow feed or fertiliser.
Virgin soil: Uncultivated soil.
Volcanic rock: Rock derived from volcanic activity e.g. Basalt, pumice and rhyolite.
Volumetric water content: Volume of water in soil as percentage of soil volume.
Water stress: Stress in plants caused by inadequate water.
Water table: Level below which a soil is saturated with water.
Weathering: Physical and chemical changes caused by atmospheric forces occurring near the surface.
Wilting point: Same as permanent wilting point.
Wind erosion: Caused by particles blown by wind.
Zinc sulphate: Trace element fertiliser containing 23% Zn.
Zn: Zinc.
Zonal soils: Soils in which climate and vegetation are the most important soil-forming factors.

Information source: I.S. Cornforth (1998). Practical soil management. Lincoln University Press. ISBN 0-909049-15-7