00470nam a2200157Ia 4500008004100000040001700041082002400058110003400082245008200116260003100198300001000229650001600239700001700255700002100272700001900293190329s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta338.19bP984S  aPunjab Agriculture University 0aSustaining agriculturebproblems and prospects :  proceedings of the workshop  aLudhianabthe authorc2004  a201p.  aAGRICULTURE  aBrar, L S ed  aDilawari, V K ed  aJalota, S K ed