Hentiksen T M, Breland T A. Carbon mineralization, fungal and bacterial growth and enzyme activities as affected by contact between crop residues and soil[J]. Biology and Fertility of Soils, 2002, 35 : 41-48.
[5]
Kalbitz K, Solinger S, Park J H, et al. Controls on the dynamics of dissolved organic matter in soils:a review[J]. Soil Sci, 2000, 165 : 277-304.
[6]
Salinas-Garcia J R, Hons F M, Matocha J E. Long-term effects of tillage and fertilization on soil organic matter dynamics[J]. Soil Sci Soc Am J, 1997, 61 : 152-159.
Prihar S S, Sandhu K S, Khera K L. Maize (Zea mays L. )and weed growth as affected by levels of mulching with and without herbicide under conventional and minimum tillage[J]. Indian JEcol, 1976, 2:13-22.
[13]
Ossom E M, Pace P F, Rhykerd R L, et al. Effect of mulch on weed infestation, soil temperature, nutrient concentration and tuber yield in Ipomoea bcetatus (L.)Lam in Papua New Guinea[J]. Trop Agric (Trinidad), 2001, 78:144-151.
