TY - BOOK AU - V K, Venugopal AU - K M, Nair AU - P, Rajasekharan AU - A N, sasidharan Nair TI - Soil Health Management for Sustainable crop Production in kerala U1 - 631.4 PY - 2019/// CY - kerala PB - Department of Agriculture Development and Farmers Welfare KW - soil KW - health management KW - crop ER -