00508nam a22001697a 4500003000400000008004100004020001500045082001600060100001600076245007600092250001800168260004200186300001700228650004200245650003500287650001600322OSt230613b        |||||||| |||| 00| 0 eng d  a8170969778  a631.5bS48C  aSingh, S.S.  aCrop management: under irrigated and rainfed conditions/ by S.S. Singh   a3rd. rev. ed.  aLudhiana:bKalyani Publishers;c2004.  aviii, 573 p.  aAgriculture and related technologies   aTechnology (Applied sciences)   aField crops