共 10 条
[7]
土壤微生物生物量测定方法及其应用[M]. 气象出版社 , 吴金水[等]编著, 2006
[8]
土壤农化分析[M]. 中国农业出版社 , 鲍士旦主编, 2000
[9]
Fractions of organic carbon in soils under different crop rotations, cover crops and fertilization practices[J] . Z. Yang,B.R. Singh,B.K. Sitaula.Nutrient Cycling in Agroecosystems . 2004 (2)
[10]
Runoff,soil,and dissolvednutrient losses fromno-till soybean with winter cover crops. ZhuJ C,Gantzer CJ,Aderson S Het al. SoilSci.Soc.Am.J . 1989