000			00780nam a2200253Ia 45e0
008			181001s2006 xx 000 0 und d
020			_a8176630527
100			_aSingh, S.S.
245		0	_aPrinciples and practices of agronomy
250			_a4th
260			_bKalyani Publishers _c2006
300			_a143
650			_aagronomy
942			_2ddc _cBK
999			_c73 _d73