Soil Loss Tolerance of Sloping Field in Semi-arid Hilly-gully Area of Loess Plateau

CHEN Qi-bo; WANG Ke-qin; QI Shi; SUN Li-da; WU Xiao-wei

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Soil Loss Tolerance of Sloping Field in Semi-arid Hilly-gully Area of Loess Plateau

- Soil Loss Tolerance of Sloping Field in Semi-arid Hilly-gully Area of Loess Plateau
- Bulletin of Soiland Water Conservation Vol. 22, Issue 4, Pages: 1-4(2003)
- 作者机构：
  
  1. 西南林学院,云南,昆明,650224
  2. 北京林业大学,北京,100083
  3. 宁夏回族自治区西吉县农田基本建设办公室, 宁夏西吉,756200
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2003
- 稿件说明：
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CHEN Qi-bo, WANG Ke-qin, QI Shi, et al. Soil Loss Tolerance of Sloping Field in Semi-arid Hilly-gully Area of Loess Plateau[J]. Bulletin of Soiland Water Conservation, 2003, 22(4): 1-4.
DOI：

CHEN Qi-bo, WANG Ke-qin, QI Shi, et al. Soil Loss Tolerance of Sloping Field in Semi-arid Hilly-gully Area of Loess Plateau[J]. Bulletin of Soiland Water Conservation, 2003, 22(4): 1-4. DOI：

摘要

在理论分析、试验观测、外业调查的基础上

从黄土成土速度、坡耕地表土养分平衡、保持坡耕地土地生产力基本稳定、黄河河道的容许来沙量、当地经济的不断发展及土壤培肥和施肥能力的巨大潜力等角度综合分析

确定2.00t/(hm

·a)作为半干旱黄土丘陵区坡耕地的土壤容许流失量

在较长时期内是比较合理的。

Abstract

Based on the oretical analysis

field examination and investigation

it is considered that the 2.0t/ (hm2 . a) is the rational soil loss tolerance of sloping field in semi-arid hill-gully area of the Loess Plateau during the long period according to soil formation velocity

top soil nutrient balance

land productivity stability in sloping field

sediment transport tolerance of the Huanghe River course

and regional economic development and so on.

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