00495nam a22001937a 4500003000400000020001800004082001800022100001300040245002800053260004000081300001500121546001200136650002000148650001200168650001600180650004100196650001900237650004500256OSt  a9788127240721  a631.8bDAS/MA  aDas, P C  aManures and fertilizers  aNew DelhibKalyani Publishersc2006  axvi, 269p.  aEnglish  aPlant Nutrients  aManures  aFertilizers  aPrinciples of Fertilizer Application  aSoil Amendment  aFertility Management of Cultivable Soils