TY - BOOK AU - Somani,L.L AU - Shilpakar,D AU - Shilpkar,P TI - Biofertilizers : commercial production technology & quality control SN - 8183211968 U1 - 631.422 PY - 2011/// CY - Udaipur PB - Agrotech publishing academy KW - Biofertilizers ER -