01035nam a22002657a 4500 BD-DhSAU 9540 BD-DhSAU 20190225134017.0 150620b2002 bg a||||r|||| 000 0 eng d BD-DhSAU 22 631.4 Su85 Sutradhar, G.N.C. Influence of crop residues and nitrification inhibitors of some soil enzymes and nitrogen utilization in rice-wheat cropping system / Ph.D. Thesis by G.N.C. Sutradhar Indian Agricultural Research Institute : Division of Soil Science and Agricultural Chemistry, 2009. xxv, 113 p. : ill. ; 30 cm. Ph.D thesis of Division of Soil Science and Agricultural Chemistry, Indian Agricultural Research Institute, New Delhi, India. joy Chemistry Soil science Crop residues Nitrification inhibitors Chhonkar, P.K. Chairman Ali, Mohammad Hazrat Bangladeshi Advisor ddc PHD 9540 9540 0 0 ddc 0 1 REF BD-DhSAU BD-DhSAU REF 2015-06-20 0 631.4 Su85 39019 2015-06-20 00:00:00 2015-06-20 THESIS