Home' Otago Southland Farmer : November 2nd 2012 Contents 2.11.12 Farmer
Gore: (03) 208 4735
0800 746 364
Balclutha: (03) 418 1418
Central Otago: (03) 449 2502
Lumsden: (03) 248 7087
̈ Prompt ser vice
̈ Group and bulk discount schemes available
̈ Specialists in all types of aerial work
̈ Aircare Accredited Agriculture Aviation Operator
For more information contact
Harliwich Holdings Ltd
Coal Creek Road, RD 1
Call Free :
0800 111 221
Ph: 03 446 8622
Fax: 03 446 8575
Energy in the Soil
source of humic acid
Boost soil carbon and rebuilds soil
Stimulates microbial and fungal
bioactivity necessary for healthy soil
Low levels of calcium can affect milksolids
production, mating outcomes and growth
rates of young stock. Supplementing your
herd with Calcimate will keep them
performing at their peak and improve
your bottom line.
Find out your herd's
Cows absorb an average
of 70% of calcium in
with only 30% of calcium
in your pasture.
0800 107 475
Fertiliser & Spraying
Fertiliser & Spraying
Brassica crops benefit from nutrients and planning
Brassica crops provide high-quality forage for stock, but balancing production goals with input costs is vital to
ensure planting a paddock of kale or turnip is a cost effective alternative to pasture.
New Zealand farmers grow about 300,000 hectares
of brassicas a year, often as a break crop when
pasture quality or performance starts to decline.
Ballance Agri-Nutrients tecnicians say that to achieve the
best result with a brassica crop, nutrient deficiencies need
to be resolved well ahead of sowing.
The first step to focus on is a soil test, ideally at least 6-12
months ahead of sowing.
Farmers need to think ahead with this and consider where
their crops are going to be on the farm. Testing well ahead
gives enough time to apply lime to correct pH, so early
paddock selection is important.
Brassicas, and the pastures that will follow them, require
pH levels between 5.8 and 6.2 and lime applications to
achieve the right balance can take up to a year to take full
The soil should also be tested for levels of nitrogen,
phosphorus, potassium, sulphur magnesium and boron in
the six months before sowing.
All of these nutrients can have an impact on achieving the
optimal crop yield or feed quality and if the mix is wrong
it's possible you won't fulfil the expectations you have on
the level of dry matter or animal performance you'll
achieve from your crop.
Farmers don't need to work in isolation when
making these decisions.
There is a wealth of information and targeted
advice available to ensure the right decisions are
made for each specific farm.
Ballance Technical Sales Representatives are readily
available to provide assistance in making decisions to
manage nutrient requirements effectively and efficiently.
They have at their fingertips New Zealand's only decision
support tool for brassicas -- the Ballance Brassica
Calculator -- which is backed by a decade of research and
more than 30 field trials. The calculator estimates how
much of each fertiliser nutrient is required for an
economically optimal yield on a particular farm.
Brassica crops can be expensive to grow.
While fertiliser is likely necessary to
ensure the best crop, it should only be
applied at a rate that will ensure an
economically optimal yield rather than
the maximum yield.
It doesn't necessarily make a lot of sense
to maximise your yield because it gets to
the point where the small yield gain you'll
get over what is economically optimal
will unlikely cover the extra cost of
However, on the flip side as the value of
the feed you grow increases the difference between
economically optimum yield' and maximum yield'
diminishes. The brassica calculators are great tools for
evaluating these scenarios and optimising return on
investment for your needs.
There are a range of factors that need consideration
including placement of phosphate close to the seed for
root uptake, and even distribution of boron for maximum
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