00478nam a22001697a 4500003000400000008004100004020001800045082001600063100001400079245004000093250001200133260004200145300001600187650004200203650003500245650002800280OSt221022b        |||||||| |||| 00| 0 eng d  a9788127240721  a631.8bD18M  aDas, P.C.  aManures and fertilizers/by P.C. Das  a3rd.ed.  aLudhiana:bKalyani Publishers,c2009.  axvi, 269 p.  aAgriculture and related technologies   aTechnology (Applied sciences)   aFertilizers and manures