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Fibrophos
for Grassland
Fibrophos
is unique as an all-in-one concentrated fertiliser. It not only
raises the soil phosphate and potash status, but it also contains a
complete range of secondary and trace elements including calcium
which provides an excellent lime value for the soil.
The
generally low phosphate and potash indices that have been recorded
on grassland across the UK and more recent reports on soil sulphur
deficiencies have lead to greater awareness of the potential
shortages for crops. New
silage analysis techniques will show the contribution of forage to
the ration and the feeding value of home-grown conserved feed.
But
yields from grass leys and quality silage for winter feeding can
only be maximised if soil fertility is at it's optimum.
The aim
with soil fertility is to build up a satisfactory stable and balanced
level of nutrients capable of sustaining high yielding grasses and
to enable efficient use of available nitrogen - which also helps
reduce nitrogen leaching.
Fibrophos
has been used extensively on British grassland for a number of years
with impressive results.
Two
grades of Fibrophos are particularly well suited to silage making -
Fibrophos High K 0-11-22 and Fibrophos Balanced 0-15-15.

On
grassland, a good supply of phosphate is essential to support
clover, so Fibrophos is ideally suited for regular applications to
grass/clover mixtures, whether sown or permanent. Fibrophos
Traditional 0-22-12 can be used for grazing when soil phosphate
levels are lower, either every year or every three years.
The
problem of soil nutrient deficiency is naturally compounded after
cuts of silage and hay, so it is vital to apply fertiliser well in
advance of cutting.
Application
Rates
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Application
Recommendations for 0-22-12 on Grassland
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Metric
kg/ha
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Imperial
cwt/acre
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Notes
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Soil
P index 0 or 1
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625-750
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5-6
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Every
2-3 years
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Grass/clover
swards
(uncut)
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625
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5
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Every
3 years
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Permanent
pasture or low P soils
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500
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4
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Annually
until deficiency corrected
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Grassland
establishment
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500
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4
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In
the seedbed
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Recommendations
for 0-11-22 High K on Grassland
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Silage
one-cut system
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500
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4
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Multi-cut
First
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500
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4
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Further cuts
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450
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3.5
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Evaluation
of Fibrophos as a source for grass

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