保护性耕作对华北平原土壤团聚体特征的影响

吕贻忠周虎杨志臣李保国

Effects of conservation tillage on the soil aggregates characteristics in Huabei Plain, China

Yizhong Lv Hu Zhou Zhichen Yang Baoguo Li

中国农业科学 . 2007, (9): 1973 -1979 . DOI: 10.3864/j.issn.0578-1752.at-2006-8385