摘要
通过对土壤呼吸强度和土壤酶活性的测定,研究了新型杀虫剂啶虫脒对旱地土壤生物活性的影响。试验结果表明啶虫脒的施用对土壤呼吸强度和磷酸酶有显著抑制作用,且随施用浓度的增加而抑制作用增强。啶虫脒施用2周后能激活脱氢酶的活性,对过氧化氢酶和脲酶的影响与施用浓度无明显的关系。在施用后前期,啶虫脒对蛋白酶活性没有显著影响,但自第4周后显示出抑制作用。
Effect of a new pesticide, acetamiprid, on biological activity in upland soil was studied through analysis of soil enzyme activities and soil respiration. The results show that acetamiprid obviously affected soil respiration and phosphatase activity, and the higher the concentration was, the stronger the inhibitive effect was. The activity of dehydrogenase was enhanced in two weeks after acetamiprid application. Variance of urease and catalase showed no distinct relationship with the application rate. The activity of proteinase was not significantly affected within the first two weeks after acetamiprid application but was from the 4th week.
出处
《土壤学报》
CAS
CSCD
北大核心
2005年第6期1012-1016,共5页
Acta Pedologica Sinica
基金
国家自然科学基金项目(30370048)资助
关键词
杀虫剂
啶虫脒
土壤酶
呼吸强度
Pesticide
Acetamiprid
Soil enzyme
Soil respiration
