00419nam a2200157Ia 4500008004100000082001600041100001800057245002800075250000600103260004000109300000800149650004100157650003400198653001000232653001900242170901s1965    xx            000 0 und d  a631.8bA24S  aAgarwal, R.R. 0aSoil Fertility in India  a1  aBombaybAsia Publishing Housec1965  a278  aAgriculture and related technologies  aTechnology (Applied sciences)  aIndia  aSoil fertility