Home' Grower : March 2012 Contents The South Australian Grower -- March 2012
Nutrifert director -- business development -- Austin
Smith with the Lindsay Rural team consisting of
sales agronomist Neil Innes, development and
marketing manager Russell Hess, and sales
representative Jules Keller at the launch of the
Amorsil range of plant-soluble silicon products.
Amorsil fertiliser lifts efficiency
By ASHLEY WALMSLEY
BIG players in the fertiliser industry
could be in for a shake-up with the
launch of a new plant-soluble sili-
con product onto the Australian market.
Nutrifert has released the Amorsil range
of soil conditioners and fertilisers.
The launch took place at Lindsay Rural,
the official stockist for Amorsil, at
According to Nutrifert, Amorsil
improves the efficiency of fertilisers while
also reducing leaching and increasing
Other spin-off benefits include
improved fungal and pest resistance,
improved plant architecture, improved
plant growth and health, greater stress
resistance, and increased photosynthesis.
Monocots (corn, rice, wheat, sugar
cane) have been identified as key benefi-
ciar y crops for the product, in that they
are largest accumulators of silicon.
Wheat removes about 75 kilograms a
hectare a crop of plant-available silicon
from the soil, while sugar cane removes
up to 700kg/ha/crop.
Horticultural and nursery crops such as
cucurbits, tomatoes, bananas, avocados
and strawberries, may also benefit from
Nutrifert director -- business develop-
ment -- Austin Smith said researchers had
seen increased efficiencies of NPK and key
trace elements by up to 50 per cent with
the addition of plant-available silicon.
"Yield and quality improvements are
common with horticultural crops, and as
with monocots, silicon delivers improved
resistance to biotic (pest and disease) and
abiotic (climatic) and stress which attrib-
ute the main constraint to agriculture in
Australia with our extreme growing con-
ditions," he said.
Amorsil has been released in three ver-
sions -- Agri, Max and Aqua.
Amorsil Agri is a pre-plant soil condi-
tioner designed to improve moisture and
nutrient efficiencies. It is a screened gran-
ular and available in an 800kg bulk bag.
Amorsil Max is a silicon booster. Its
prilled form makes it suitable for applica-
tions at planting. It is available in 15kg
bags or 1000kg bulk bags.
Amorsil Aqua is the liquid option for
New plant-soluble silicon product
Researchers report increased effi-
ciencies of NPK and key trace ele-
ments by up to 50 per cent
Yield, quality improvements
fertigation or foliar application during crop cycles.
This comes in 20-litre, 200L or 1000L containers.
Agricultural silicon may have attracted some neg-
ative press in years gone by but the current range
of products have been analysed by independent
accredited laboratories to verify they are all amor-
phous forms of silicon which are non-hazardous
It has been a lengthy road to get to this point for
The Amorsil range has been developed over the
past six years, including extensive product evalua-
tions, and tests on various applications across
many soil types, crops and growing conditions and
in key markets including Australia, China, South
East Asia, Korea, Brazil, India, South Africa and
the United States.
One of the major advantages for the Agri and
Max versions is their organic certification by the
Biological Farmers Association.
Despite some industry concerns from larger fer-
tiliser players that silicon will reduce NPK applica-
tions, silicon has proven complementary to stan-
dard NPK fertilisers and shown to improve NPK
efficiency. Mr Smith said plant-soluble silicon had
been held back somewhat because of the industry
stranglehold NPK fertilisers had on crop nutrition.
"It's a bit like the Coles -- Woolworths domina-
tion dictating what is available and at what price,"
"We have seen the same with the larger fertiliser
companies focused on NPK-based products at the
detriment to many effective complementary prod-
ucts like silicon. Overuse and extended use is clear-
ly evident in many areas in Australia and oversees
we have seen productivity declining in many coun-
tries as a consequence.
"It has not been until now that we are seeing a
real focus on achieving nutrient efficiency, and sil-
icon in a plant-available form can play a large part
in achieving better nutrient and water efficiencies.
The environmental concerns of governments
may also assist with the roll-out of Amorsil.
"Growers are now seeking more cost-effective
crop nutrition solutions and this has been driven
in part by the new reef legislation regulating nitro-
gen and phosphate use across Queensland's east-
ern seaboard catchments encompassing the major-
ity of sugar cane and horticultural regions which
are the big users of fertiliser," he said.
"Now we have released the Amorsil range, growers
can readily access a product to suit their program."
Nutrifert has extensive supply chains established
for its raw material and the Amorsil range is now
available at Lindsay Rural stores in Queensland,
New South Wales, Victoria and South Australia.
Custom granular-blending with base NPK and
trace element is also available at selected sites to
reduce handling and application costs for growers
with larger orders.
Courtesy Good Fruit&Vegetables.
Amorsil Agri is a pre-
plant soil conditioner
designed to improve
moisture and nutrient
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