Primary Study on the Three—dimensional Utilization of water and Nutrients by A. adsurgens in the Loess Plateau

Jia Hengyi; Peng Xianglin; Mu Xingmin

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Primary Study on the Three—dimensional Utilization of water and Nutrients by A. adsurgens in the Loess Plateau

- Primary Study on the Three—dimensional Utilization of water and Nutrients by A. adsurgens in the Loess Plateau
- Bulletin of Soiland Water Conservation Vol. 11, Issue 3, Pages: 20-24(1992)
- 作者机构：
  
  中国科学院水利部西北水土保持研究所陕西杨陵,712100
- 作者简介：
- 基金信息：
- DOI：
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- Published：1992
- 稿件说明：
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Jia Hengyi, Peng Xianglin, Mu Xingmin. Primary Study on the Three—dimensional Utilization of water and Nutrients by A. adsurgens in the Loess Plateau[J]. Bulletin of Soiland Water Conservation, 1992, 11(3): 20-24.
DOI：

Jia Hengyi, Peng Xianglin, Mu Xingmin. Primary Study on the Three—dimensional Utilization of water and Nutrients by A. adsurgens in the Loess Plateau[J]. Bulletin of Soiland Water Conservation, 1992, 11(3): 20-24. DOI：

摘要

本文在论述沙打旺生物学特性的前提下

分析了沙打旺对土壤深层贮水的利用和土壤深层水肥贮量。笔者认为

在黄土高原地区黄土层贮蓄的水分和养分可以满足沙打旺6至10年生长发育的需要。指出:只要掌握沙打旺的生物学特性

合理调配其生长年限

及立体利用土壤深层水肥

是可以实现稳产高产

为改善黄土高原的生态环境起到积极的作用。

Abstract

On the basis of discussing the biolgical characteristics of Astragalus adsurgens

thepurpose of this paper is to analyse the utilization of A.adsurgens for the water storeage indeop soil layer and the amount of storage and nutrients in deep soil layer. The authorshold that the water and nutrients stored in loess layer of the Loess Plateau car meet theneed of 6 -10 year's growth and development for A. adsurgens in the Loess Plateau.It was pointed out that if the biological characteristcs of A. adsurgens can be grasped

the growth age can be rationally regulated and the waler and nutrient storing in deepsoil layer can be utilized three-dimensionally

then the steady and high yield couldbe obtained. Also

this will play an active role in improving the ecoenvironment ofthe Loess Plateau.

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