Indian Journal of Agricultural Research, volume 46 issue 2 (june 2012) : 167 - 172
EFFECT OF INORGANIC AND BIOFERTILIZERS (VAM AND PSB) ON YIELD OF MAIZE AND WHEAT CROPPING SEQUENCE AND SOIL FERTILITY
S.K. Singhal, V.K. Sharma, R.D. Singh
1Division of Soil Science and Agricultural Chemistry
Indian Agricultural Research Institute, New Delhi-110 012