000 00403nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a631.44(543.1)
_bRED
100 _aREDDY, K S et al.
245 0 _aEnhancing productivity of soybean - wheat system by balanced and integrated nutrient management on blak soils of Madhya Pradesh
260 _aIndian Institute of Soil Science
_bBhopal
_c2007
942 _cBK
999 _c44350
_d44350