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VOL. 8, ISSUE 1 (2026)
A review of phosphorus management in fodder cowpea: Impact on nutrient uptake, soil fertility and economics
Authors
G Dharani, S Hemalatha, V Chandika, M Raghavendra
Abstract
Fodder cowpea (Vigna unguiculata L.) is
an important leguminous forage crop valued for its rapid growth, high biomass
production and superior nutritive quality, particularly under dryland and
semi-arid conditions. Among plant nutrients, phosphorus plays a critical role
in enhancing growth, yield and quality parameters through its involvement in
energy transfer, root development, nodulation and metabolic activities. A
comprehensive review of research findings across different agro-ecological
regions reveals that increasing phosphorus application significantly improves
soil fertility and nutrients uptake. Optimum phosphorus levels ranging from 60
to 80 kg P2O5 ha-1 consistently recorded
superior green and dry fodder yields across seasons and soil types, with higher
doses showing marginal or at-par responses. Phosphorus application also
influenced gross returns, net retunes and benefit-cost ratio. Overall, the
reviewed studies indicate that balanced phosphorus fertilization contributing
to sustainable fodder production and soil fertility management.
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Pages:131-132
How to cite this article:
G Dharani, S Hemalatha, V Chandika, M Raghavendra "A review of phosphorus management in fodder cowpea: Impact on nutrient uptake, soil fertility and economics". International Journal of Agriculture and Plant Science, Vol 8, Issue 1, 2026, Pages 131-132
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