00458nam a22001817a 4500003000400000020001800004082002000022100001900042245003100061260004000092300001500132650001800147650002700165650002700192650002100219650001600240700002000256OSt  a9789327218596  a631.422bNAG/SO  aNagornny, V D   aSoil fertility management   aLudhiana bKalyani publishersc2012  a214 pages;  aSoil science   aSoil fertility complex  aRain water harvesting   aArid zone soils   aFertilizer   aSingh, Raghav J