00568nam a2200205Ia 4500 170901s1976 xx 000 0 und d 631.8 A45M Singh, Amar Mrida Urvarta evam urvarak 1 Pantnagar Anubad eum prakashan nideshyalaya 1976 288 Agriculture and related technologies Technology (Applied sciences) Fertilizers Soil fertility Gangawar, Mahendra Singh Sachan, Ramsingh ddc BK 14163 14163 0 0 ddc 0 0 RAU RAU 2017-10-18 19.50 0 631.8 A45M 13331 2017-10-18 2017-10-18 BK