共 10 条
[1]
玉米秸秆连续多年还田对土壤理化性状和作物生长的影响.[D].吴菲.中国农业大学.2005, 05
[2]
保护性耕作对土壤微生物量的影响.[D].陈蓓.甘肃农业大学.2004, 02
[9]
An antitumor activity of the alkali-soluble polysaccharide (and its derivatives) obtained from the sclerotia of Grifora umbellate (Fr. )PILAT..Ueno Y; Okamoto Y; Yamauchi R; et al;.Carbohydrate Research.1982,
[10]
土壤酶及其研究法.[M].关松荫 编著.农业出版社.1986,