000 00339nam a2200121Ia 4500
008 170101s1997 xx 000 0 und d
082 _a631.81 GHO
100 _aGhonsiakr C.P.
245 0 _aNutrient MAnagement Practices in Crops and Cropping Systems
260 _aJodhpur
_bScientific Pub.
_c1997
300 _a285 p.
942 _2ddc
_cB
999 _c1175916
_d1175916