Volume 6 Issue 1

Soil test based sulphur fertilization for targeted yields of mulberry

Author(s): P. C. BOSE, R. KAR AND A. K. BAJP AI
Abstract: A field experiment was conducted in Gangetic alluvial soil at Berhampore, West Bengal to calibrate the sulphur requirement for irrigated mulberry, variety S1635, based on soil fertility status. The biomass production of mulberry at different levels of sulphur fertilization was studied. The data were subjected to Mitscherlich-Bray equation to estimate the important parameters responsible for mulberry growth and production, with respect to theoretical maximum yield (A), efficiency factor for soil nutrient (cJ and efficiency factor for added fertilizer nutrient (c). Based on the soil test value (b) and by utilizing the estimated c 1 and c values, a ready reckoner of sulphur fertilization recommendation for mulberry has been prepared. The greater efficiency of soil nutrient (0. 0403) over S-fertilizer (0. 0117 4 7) suggested the more share of biomass production from the soil nutrient.

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