APA
(2007). Impact of fertilizer and manure use for three decades in crop productivity and sustainability and soil quality under soybean-wheat system on vertisol in central India. Bhopal: Indian Institute of Soil Science.
Chicago
2007. Impact of fertilizer and manure use for three decades in crop productivity and sustainability and soil quality under soybean-wheat system on vertisol in central India. Bhopal: Indian Institute of Soil Science.
Harvard
(2007). Impact of fertilizer and manure use for three decades in crop productivity and sustainability and soil quality under soybean-wheat system on vertisol in central India. Bhopal: Indian Institute of Soil Science.
MLA
Impact of fertilizer and manure use for three decades in crop productivity and sustainability and soil quality under soybean-wheat system on vertisol in central India. Bhopal: Indian Institute of Soil Science. 2007.