Home' Otago Southland Farmer : February 22nd 2013 Contents 18
Save tractor hours & reduce fuel consumption.
NOW AVAILABLE 5 AND 6 LEG MODELS
MILBURN LIME LTD
Milburn Lime is one of New Zealand's top lime deposits
and is reputed to have the highest quality agricultural lime.
Lime has been supplied from our quarry since 1864
(formerly Dominion Lime & Phosphate Co.) and the lime
is exactly as it was all those years ago, still 95% PURE
(average) and still the whitest clay-free lime.
Milburn Lime is the wise
farmer's choice for the best
results and value.
Tel: 03 417 8228, Fax: 03 417 4009
West Otago Rep: Gordon Sim, 027 4715 614
We can supply processed Limestone
Knaprock for Cow Lanes in different grades
and mixes. We can supply competitively as
far south as Invercargill.
Fertiliser & Spraying
Safety precautions advised when handling sprays
CONTINUED Page 19
There comes a time when most of us find
we need to do a bit of spraying on our
farm, however ecologically-friendly 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 animal
Pesticides should be kept in their
original containers, which must be clearly
labelled and include the manufacturers'
instructions on safe use, first aid,
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.
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.
The importance and benefits of fertiliser
It's generally accepted that the application of fertiliser to your
soil is a useful, sometimes critical aspect of farm management.
Indeed, since earliest times man has been aware of the benefits
of adding certain substances to the soil -- the word 'soil' itself
giving us some clue as to what those substances were.
And the fact that we call the modern versions of those magical
early forbears 'fertiliser', suggesting that somehow the substance
is impregnating the ground and making it literally fertile, also pays
homage to its apparently mystical, ancient origins.
However, since those earliest farmers first spread their animals'
and sometimes their own manure over the fields some twelve
thousand years ago, we've come a long way in understanding just
how and why 'fertiliser' works and is important.
Modern science tells us that, for a plant to thrive, it
needs a number of chemical elements in different
proportions. Carbon, hydrogen and oxygen it obtains
abundantly from the air and water that surround it.
Nitrogen, phosphorus and potassium, or potash (N,
P and K) are the next most required, and tend to be
present naturally in the soil in highly variable
amounts and persist to varying degrees.
Secondary nutrients are sulphur, calcium and
magnesium, which are also essential, though in
Finally, vital to a plant's health but only necessary in
minute quantities are the micronutrients: boron,
cobalt, copper, iron, manganese, molybdenum and
zinc. Consumed by plants in the greatest quantities
(outside of air and water) are the key ingredients of
most fertilisers -- N, P and K.
Nitrogen is used in the construction of every amino
acid -- the building blocks of a plant's proteins,
giving the plant health, bulk and nutritional value.
Phosphorus is an essential component of plant cell
membranes, as well as being contained in every
molecule of ATP, the main energy source of all living
And potassium is a vital cellular metabolite allowing
materials to enter and leave the plant's tissues
successfully. Any addition of fertiliser should
improve your plant's growth and vigour.
The art comes in balancing the optimal amount for
healthy growth with the financial and potential
environmental costs of applying the fertiliser.
Fortunately for modern farmers, there is an
abundance of information available, alongside
professional advice and services to help them
navigate through these tricky, frequently confusing
and occasionally contradictory waters.
So don't hesitate to seek the help of the experts
before making your fertiliser choice.
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