3BIRD J A,HORWATH W R,EAGLE A J,et al.Immobilization of fertilizer nitrogen in rice:Effects of straw management practices[J].Soil Sci Soc Am J,2001,65(4):1143-1152.
4PATRICK W H.Nitrogen transformations in submerged soils[M].USA:amcrican Soaety of Agronomy,crop Society of America,Soil Science Society of America,1982.
5XU Y Z,NIE L X,BURESH R J,et al.Agronomic performance of lateseason rice under different tillage,straw,and nitrogen management[J].Field Crops Res,2010,115(1):79-84.
6WITT C,CASSMAN K G,OLK D C,et al.Crop rotation and residue management effects on carbon sequestration,nitrogen cycling and productivity of irrigated rice systems[J].Plant Soil,2000,225(1-2):263-278.
7SUMNER M E.Handbook of Soil Science[M].USA:CRC Press,1999:8.
9CHUNG I M,AHN,J K,YUN S J.Identification of allelopathic compounds from rice(Oryza sativa L.)straw and their biological activity[J].Can J Plant Sci,2001,81(4):815-819.
