Discussions on the Controlling Approaches of Dry Slopes Facing the Sun in the Loess HIlly Areas

Zhou Houyuan; Cheng Jimin; Lu Ziyu; Han Ruilian

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Discussions on the Controlling Approaches of Dry Slopes Facing the Sun in the Loess HIlly Areas

- Discussions on the Controlling Approaches of Dry Slopes Facing the Sun in the Loess HIlly Areas
- Bulletin of Soiland Water Conservation Vol. 10, Issue 4, Pages: 33-36(1991)
- 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
- 作者简介：
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- Published：1991
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Zhou Houyuan, Cheng Jimin, Lu Ziyu, et al. Discussions on the Controlling Approaches of Dry Slopes Facing the Sun in the Loess HIlly Areas[J]. Bulletin of Soiland Water Conservation, 1991, 10(4): 33-36.
DOI：

Zhou Houyuan, Cheng Jimin, Lu Ziyu, et al. Discussions on the Controlling Approaches of Dry Slopes Facing the Sun in the Loess HIlly Areas[J]. Bulletin of Soiland Water Conservation, 1991, 10(4): 33-36. DOI：

摘要

本试验通过选择适应性强的优良豆科牧草沙打旺(Astragalus adsurgens)和红豆草(Onobrychis Viciaefolia)春季播种及采用隔带水平带状整地的改造方式

建立的半人工草地生长茂密

植被覆盖度达80%～85%以上。沙打旺改良草地8年内平均亩产鲜草671.3kg;红豆草改良草地3年内平均亩产鲜草1035.4kg

比荒坡改造前分别提高5.7倍和9.4倍

治理效益比较显著。本试验研究初步探索了黄土丘陵区干旱阳坡的治理途径和对策。

Abstract

The experiment was conducted by selecting fine legume species such as Astragalus adsurgens and Onobrychis viciesolia with very good adaptability to sow them in sping and every other level strip land preparation on the basia of which semi-artificial grassland was established.The grassland grew so vigoriously that the vegetation cover 80%~85%

Astragalus adsurgens used to improve grassland has had an average per mu fresh forage production of 671.3 kg within 8 years

while Onobrychis viciesolia used to improve grassland has had an average per mud fresh forage production of 1035.4 kg

having an increase of 5.7 times and 9.4 times as hihe as those perior to the wasted slope improvement with an apparent controlling benefit obtained.This experiment study also prode into the controlling approachea and countermeasures of dry slops facing the sun in the loess hilly area.

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