00536nam a2200169Ia 4500008004100000082001800041100002100059245004000080260002900120300000800149600002300157600002300180650003900203942000700242952010000249999001700349140113s9999    xx            000 0 und d  a631.4(540) L1  a" Kanwar, J. S."  aPhosphorus Fixation in Indian Soils  b"New Delhi : ICAR, 1971"  a51p  a" Randhawa, N. S."  a" Randhawa, N. S."  aSoil Science - Inorganic Chemistry  cBK  00104070aKYMbKYMd2014-01-13l0o631.4(540) L1pKBK927r2014-01-13 00:00:00w2014-01-13yBK  c62213d62213