共 14 条
- [11] 实用统计分析及其DPS数据处理系统[M]. 科学出版社 , 唐启义, 2002
- [12] Productivity and management of rice–wheat cropping systems: issues and challenges[J] . J Timsina,D.J Connor.Field Crops Research . 2001 (2)
- [13] Crop rotation and residue management effects on carbon sequestration, nitrogen cycling and productivity of irrigated rice systems[J] . C. Witt,K.G. Cassman,D.C. Olk,U. Biker,S.P. Liboon,M.I. Samson,J.C.G. Ottow.Plant and Soil . 2000 (1)