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Time of Manuring/Fertilisation: |
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Manures:
Manures are generally applied to the soil before sowing or transplanting
of crops. The soil is manured during ploughing followed by planking. Manures such
as compost, farmyard and green manure should be added to the soil 4-6 weeks before
sowing or transplanting crops. Soil cakes
may be used as basal or topdressing at
the time of sowing or transplanting crops.
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Fertilisers:
Fertilisers are generally applied to crops at different stages of growth
to increase their efficiency.
These stages are:
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Before sowing of crops: Some phosphate fertilisers such as rock phosphate, basic slag, etc.applied.
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At the time of sowing crops:Application
of fertiliser at sowing time or
just before is called Basal dressing.
All quantity of phosphatic and potassic fertiliser
and half of nitrogenous fertiliser is recommended at the time of sowing crops. The
remaining half of nitrogenous fertiliser is applied during the growth phase.
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Aftersowing of crops:The method of application of fertiliser in the standing
crops is called Top dressing. The nitrogenous and potassic fertilisers are generally
applied to crops by this method. Split application of fertiliser reduces the loss
of fertiliser elements and the plants can absorb a major portion of the applied
fertiliser.
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