00490nam a2200169Ia 4500008004100000020001500041082001700056100001700073245006500090250000600155260004700161300000800208650004100216650003400257653001400291653001500305170901s1999    xx            000 0 und d  a8185680302  a631.85bG28C  aGhosh, P. C. 0aChemistry and Agronomic Evaluation of Phosphatic Fertilizers  a1  aUdaipurbAgrotech Publishing Academyc1999  a368  aAgriculture and related technologies  aTechnology (Applied sciences)  aChemistry  aPhosphates