00352    a2200133   4500020001500000082001300015100001600028245006000044250001200104260003400116300002100150650003100171650001600202  a8170969778  a633bSIN  aSingh, S.S.  aCrop managementbunder irrigated and rainfed conditions  a3rd ed.  aLudhianabKalyanic1988g1998  aviii,574p.c21cm  aField and plantation crops  aAgriculture