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生态学杂志 ›› 1986, Vol. ›› Issue (5): 55-56.

• 研究报告 • 上一篇    下一篇

土壤中有效态镉与籽实中镉含量的关系

王连平, 宋胜焕   

  1. 中国科学院林业土壤研究所
  • 收稿日期:1986-04-01 出版日期:1986-10-10

Wang Lianping, Song Shenghuan   

  • Received:1986-04-01 Online:1986-10-10

关键词: 旱地, 全膜双垄沟播, 玉米, 土壤水热状况, 产量

Abstract: The results from the study indicates that the cadmium content in seeds has a direct relation to the available cadmium content in soils,and the percentage of the available cadmium in the total cadmium of soil has an inverse relation to the pHvalue of the irrigation water.

Key words: dry land, whole-field surface plastic mulching and planting in furrow, corn, soil water and heat status, yield