Author(s): P.C. BOSE, R. KAR, S.K. MAJUMDER, R.N. DUTTA AND A.K. BAJPAI

Abstract: For quantitative evaluation of the efficiency of soil tests and fertilizer responses to rainfed mulberry, variety Si. through Mitscherlich-Bray equation in red lateritic gravelly soil, field experiments were conducted at Purulia, West Bengal. The Mitscherlich-Bray equation is based on the principle that the native and the added nutrients comprehend different efficiency factors. Results indicated that the greater efficiencies of all the fertilizers barring P over soil contributed more share of biomass production from the applied nutrients. On the basis of soil test values through Mitscherlich-Bray equation, appropriate fertilizer dose for rainfed mulberry has been worked out.

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