00963nam a22002297a 4500001001400000003000900014005001700023008004100040040001300081082002000094100002200114245017300136260010600309300003400415500013100449650001400580650001700594650001800611650002900629700002900658700004600687BD-DhSAU 9540BD-DhSAU20190225134017.0150620b2002    bg a||||r|||| 000 0 eng d  aBD-DhSAU  222a631.4bSu85  aSutradhar, G.N.C.  aInfluence of crop residues and nitrification inhibitors of some soil enzymes and nitrogen utilization in rice-wheat cropping system /bPh.D. Thesiscby G.N.C. Sutradhar  aIndian Agricultural Research Institute :bDivision of Soil Science and Agricultural Chemistry,c2009.  axxv, 113 p. :bill. ;c30 cm.  aPh.D thesis of Division of Soil Science and Agricultural Chemistry, Indian Agricultural Research Institute, New Delhi, India.   aChemistry  aSoil science  aCrop residues  aNitrification inhibitors  aChhonkar, P.K.eChairman  aAli, Mohammad Hazrat4Bangladeshi Advisor