Home' Clutha Leader : November 1st 2012 Contents 1.11.12 Leader
Tyre Centre Balclutha
Cnr Clyde & High St. Ph 418 2701
Mobile 027 224 336
Need t yres?
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Car, 4x4, van & agriculture tyres
24 hour farm service
Nitrogen tyre inflation
From Car to Rebar...
...turn your scrap metal into dollars
Wharf Street, Dunedin
Ph 477 0427
147 Mersey St, Invercargill
ph 03 214 0583
0800 22 66 26
All spraying needs taken care of from
an experienced registered operator
Fully computerised including GPS
Ph (03) 415-9059, (027) 221-8530 Fax (03) 415-9010
Covering the Clutha District
Phone Devon 021 224 7990 or 03 418 2896
2 Muck Spreaders
Pond Stirrer, Tip Truck
& Digger Available
Spraying & Fertiliser
From the humble beginnings of fertiliser
By COLIN MORRISON
Superphosphate has been the main fertiliser used on
New Zealand soils, the sheep, beef and dairy sectors
bear witness to its usage.
As a young guy, I always used to think that earth was earth
and grass was grass until my wife went a got a job selling
fertiliser with one of New Zealand's biggest suppliers.
The training she received was fantastic by any standards, and
what she learnt in the classroom, she would come home and
pass on to me.
Most soils will contain at least some nutrients which help
plants to grow, but extra nutrients are usually needed for fast-
growing, healthy crops or a good pasture growth. Fertilisers
containing essential elements such as phosphorus, nitrogen
and potassium are the easiest and most effective way to
enhance the soil.
In bygone days, farmers would add compost, manure, blood
and bone, and ground-up rock, and whilst providing some
help, they generally contained fewer nutrients than our
modern day fertilisers. When early crops began to fail, it was
soon attributed to a lack of phosphorus. In 1867, the first
shipment of rock phosphate was sent to New Zealand from
Nauru Island in the Pacific -- made from guano -- accumulated
bird droppings. In 1880 the first shipment of superphosphate,
a phosphorus- loaded fertiliser, was imported. And from 1882,
such companies as Kempthorne Prosser & Co of Dunedin were
processing the guano into superphosphate, which was a far
superior product. In 1884 the New Zealand
Manure and Chemical Company began
production at Mt Maunganui, and very soon
other production centres grew up around
From a modest start of less than 50,000
tonnes being produced in 1885, the
manufacture and usage of superphosphate
grew to approximately two million tonnes
per year during the mid-1960s, and then
reached a high of 3.1 million tonnes in the
year 2001--2002. A brief setback occurred
when the New Zealand government
removed its subsidies on fertiliser in
1984--85. Usage dropped from 2.2 million
tonnes that year to 1.2 million tonnes in the
Superphosphate has been the main fertiliser used on New
Zealand soils, the sheep, beef and dairy sectors bear witness to
its usage. However, by the year 2003 only 55% of fertilisers
being applied in NZ were superphosphate. Increasingly, more
and more farmers are using fertilisers that contain nitrogen --
with the most common being urea.
Take care with spraying
There comes a time when
most of us find we need to do
a bit of spraying on our farm,
we're striving to be.
All agricultural sprays can be more or less
harmful to humans, livestock and commercial
crops, however, and certain safety precautions
are advised during their application and handling.
The farm chemicals of greatest toxicity are generally
the pesticides, although the actual toxicity varies
greatly between compounds and according to what
suffers exposure, and how that exposure occurs.
The Occupational Safety & Health service (OSH)
makes the following recommendations when using
spray-applied agricultural chemicals.
Above all, always read the label before commencing,
and follow the instructions.
All pesticides should be stored in a secure (locked),
separate designated area, away from contact with
people or their possessions, animals, food, seed, or
Pesticides should be kept in their original
containers, which must be clearly labelled and
include the manufacturers' instructions on safe use,
first aid, disposal, etc.
If chemicals need to be placed in alternative
containers, do not use old food or drink
receptacles, and ensure that the original or other
clear label is attached.
Ensure incompatible chemicals are kept separately.
The specific requirements for personal protective
clothing and equipment to be used with each type
of farm chemical should be clearly stated on the
product label and followed.
When you remove protective clothing and
equipment after use you should clean it thoroughly
and examine it for damage - damaged items must
be either repaired or replaced before they are next
If protective clothing or equipment becomes
contaminated on the inside when in use, or
ordinary clothing worn underneath becomes
contaminated, remove it straight away, and do not
re-use it until cleaned.
Use a mixing site outdoors that can be easily
cleaned, avoiding spills by decanting liquid
concentrates carefully - have a water supply handy.
Promptly reseal and place containers back in the
Avoid spraying on windy days.
Repair leaky or damaged spraying hoses and
Clean yourself and your equipment after spraying.
Dispose of containers safely according to the
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