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中国沙漠 ›› 1994, Vol. 14 ›› Issue (2): 37-41.

• 论文 • 上一篇    下一篇

阿拉善荒漠三个草地类牧草中化学元素特点的研究

付华1, 周志宇1, 陈善科2   

  1. 1. 甘肃省草原生态研究所, 兰州 730020;
    2. 阿拉善盟草原站, 阿拉善左旗 750000
  • 收稿日期:1994-02-18 出版日期:1994-06-20 发布日期:1994-06-20

A STUDY ON THE CHARACTERISTICS OF CHEMICAL ELEMENTS OF FORAGE SPECIES IN THREE RANGE TYPES IN ALXA DESERT

Fu Hua1, Zhou zhjyu1, Chen Shanke2   

  1. 1. Gansu Grassland Ecological Research Institute, Lznzhou 730020;
    2. Grassland Station of Alxa Alliance, Alxa Left Banner
  • Received:1994-02-18 Online:1994-06-20 Published:1994-06-20

摘要: 对阿拉善荒漠微温干旱、微温极干和暖温极干三个草地类9科44种牧草中常量元素(N、Ca、P)和微量元素(Fe、Mn、Zn、Cu、Co、Mo、Se)含量的变化特征、丰缺程度和生物吸收序列的研究结果表明,该区不同科牧草中各元素的含量变幅很大,但其吸收各元素多寡的趋势基本一致。

关键词: 荒漠草地, 牧草, 化学元素

Abstract: This paper dealt with the characteristics,rich-iack levels and biological absorption orders of macronutrients(N,Ca,and p) and trace elements(Fe.Mn.Zn,Cu,Co,Mo and Se) of about 44 forage species from 9 families in three types of ranges(slight-hot drought,slight-hot extreme drought and warm-hot extreme drought) in Alxa desert.The results showed that different forage species have the great changes in element contents,but the tendency of absorbing elements was consistent.

Key words: Desert grassland, Forage, Chemical element