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生态学杂志 ›› 1988, Vol. ›› Issue (6): 33-36.

• 研究报告 • 上一篇    下一篇

地瓜覆膜与不同时期揭膜气象效应的研究

孙立德1, 邢德印2   

  1. 1. 辽宁省喀左县气象局;
    2. 辽宁省喀左县科委
  • 收稿日期:1987-07-06 修回日期:1987-09-25 出版日期:1988-12-10

Meteorological Effects of Soil Covering and Uncovering in Potato Field

Shun Lide1, Xing Deyin2   

  1. 1. Meteorological Bureau of Kazhuo County, Liaoning province;
    2. Commission of Science and Technology of Kazhuo County, Liaoning province
  • Received:1987-07-06 Revised:1987-09-25 Online:1988-12-10

关键词: 土壤, Cd, 吸附, 水溶性有机质(DOM)

Abstract: Relations of soil covering in potato fields with meteorological conditions wers studied for 3 ysars, from which, the proper time, indices and temporal distribution of soil covering for increasing temperature and preserving moisture and its relations with tuber growth of potato were all revealed. In proper time after the crisis of moisture demanding, uncovering may increase the diurnal temperature difference and diurnal mean temperature of the soil and thus increase the production of potato.

Key words: Soil, Cd, Adsorption, Dissolved organic matter(DOM)