THE CONTENT OF SOIL NITROGEN AND ITS WAYS OF INCREASEMENT IN THE LOESS REGION

Peng Lin; Peng Xianglin

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THE CONTENT OF SOIL NITROGEN AND ITS WAYS OF INCREASEMENT IN THE LOESS REGION

- THE CONTENT OF SOIL NITROGEN AND ITS WAYS OF INCREASEMENT IN THE LOESS REGION
- Bulletin of Soiland Water Conservation Vol. 1, Issue 4, Pages: 31-35(1982)
- 作者机构：
  
  中国科学院西北水土保持研究所
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- Published：1982
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Peng Lin, Peng Xianglin. THE CONTENT OF SOIL NITROGEN AND ITS WAYS OF INCREASEMENT IN THE LOESS REGION[J]. Bulletin of Soiland Water Conservation, 1982, 1(4): 31-35.
DOI：

Peng Lin, Peng Xianglin. THE CONTENT OF SOIL NITROGEN AND ITS WAYS OF INCREASEMENT IN THE LOESS REGION[J]. Bulletin of Soiland Water Conservation, 1982, 1(4): 31-35. DOI：

摘要

黄土地区土壤氮素含量变幅明显

平均含量从0.01—0.094%。土壤氮素年流失量为5.775—40.65公斤/公顷。按照总氮量和氮素流失量

黄土地区可分为6个区。种植豆科作物、发展畜牧业和施用化肥

是提高土壤氮素含量的途径。

Abstract

The nitrogen content of the soils in the Loess Region has a obvious range. The average of the nitrogen content is from 0.01% to 0.094%. Estimating the snnual loss of soil nitrogen is about 5.775—40.65kg/ha.According to totae nitrogen and its loss amonnt

the Loess Region is divided into six zones. Th1 ways increasing the nitrogen content of soils are to grow leguminous crop

to edvelop animal husbandry and to add chemical fertilizers.

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