共 9 条
- [1] 阴山北麓农牧交错区地表土壤抗风蚀能力测试研究.[D].陈智.内蒙古农业大学.2006, 11
- [6] 现代生态农业.[M].路明主编;.中国农业出版社.2002,
- [7] 中国北方旱农区域治理与发展.[M].中国农业科学院编著;.中国农业科技出版社.1997,
- [8] Crust development in relation to vegetation and agricultural practice on erosion susceptible; dispersive clay soils from central and southern Italy.[J].D.A Robinson;C.P Phillips.Soil & Tillage Research.2001, 1
- [9] Alley cropping: past achievements and future directions.[J].B. T. Kang.Agroforestry Systems.1993, 2