生态与农村环境学报 ›› 2012, Vol. 28 ›› Issue (6): 738-741.doi:

• 研究简报 • 上一篇    下一篇

旱地全膜覆盖种植模式对土壤酶活性的影响

王静,张天佑,徐万海,任晓艳   

  1. 甘肃省天水师范学院生命科学与化学学院
  • 收稿日期:2012-02-03 修回日期:2012-04-06 出版日期:2012-11-25 发布日期:2012-11-30
  • 作者简介:王静(1982-),女,甘肃天水人,讲师,硕士,主要研究方向为逆境胁迫。E-mail:wjing_1228@126.com
  • 基金资助:

    甘肃省旱作农业项目(甘农牧农[2007]64号);天水师范学院科学研究基金(TSA1132)

Effects of Overall Film Mulching on Soil Enzyme Activities in Dryland

WANG  Jing, ZHANG  Tian-You, XU  Wan-Hai, REN  Xiao-Yan   

  1. College of Life Science and Chemistry,Tianshui Normal University
  • Received:2012-02-03 Revised:2012-04-06 Online:2012-11-25 Published:2012-11-30

摘要: 研究了旱地不同覆膜种植模式对土壤水解酶和氧化还原酶活性的影响。结果表明,与常规覆膜种植模式相比,2种全膜覆盖种植模式可明显提高土壤水解酶和氧化还原酶活性。水解酶活性基本呈随土层的增加而降低的变化趋势,而氧化还原酶活性则基本呈随土层的增加而增加的变化趋势。蔗糖酶活性与脲酶、碱性磷酸酶活性间在α=0.05水平上呈显著正相关,而碱性磷酸酶活性与硝酸还原酶活性间则在α=0.01水平上呈显著负相关。

关键词: 膜覆盖, 种植模式, 土壤酶活性, 旱地

Abstract: Effects of film mulchings different in mode on activities of soil hydrolase and oxidoredutase were studied. Results show that overall film mulching significantly increased their activities of soil hydrolase and oxidoredutase. The activity of soil hydrolase basically decreased with the increasing of soil depth, but that of soil oxidoreductase displayed a reverse trend. Sucrase was positively related to urease and alkaline phosphatase in activity (α=0.05), while alkaline phosphatase was negatively related to nitrate reductase in activity (α=0.01).

Key words: film mulching, planting mode, soil enzyme activities, dryland

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