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Phosphorus in relation to dominant cropping sequences in India: chemistry, fertility relations and management options.

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Title Phosphorus in relation to dominant cropping sequences in India: chemistry, fertility relations and management options.
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Creator S. K. Sanyal, B. S. Dwivedi, V. K. Singh, K. Majumdar, S. C. Datta, S. K. Pattanayak and K. Annapurna
 
Subject Cropping sequences, phosphorus dynamics, phosphorus in soils.
 
Description Not Available
Soils vary widely in their capacities to supply phosphorus
(P) to crops because only a small fraction of
the total P in soil is available to crops. Thus, the crop
growth and yield are likely to suffer adversely unless
soil is endowed with adequate native supply of plantavailable
P, or else the soil receives readily available
(inorganic) P fertilizers. In order to rationalize fertilizer
P application to support sustained high productivity
on one hand and address the environmental and
economic concerns on the other, an in-depth understanding
of native P supplies and P dynamics in soil is
inevitable. In this context, the present article takes
stock of the available information on the occurrence of
P in soils, chemistry of P in soil, P quantity, intensity,
and buffer capacity attributes of different soils vis-àvis
the P uptake modelling, P dynamics in soil, P management
in important cropping systems for enhancing
its use efficiency, soil testing for plant-available P to
prescribe fertilizer P application and losses of P
through erosion and runoff to the water bodies leading
to eutrophication.
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Date 2019-12-03T09:08:19Z
2019-12-03T09:08:19Z
2015-04-01
 
Type Research Paper
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/26623
 
Language English
 
Relation Not Available;
 
Publisher Not Available