Soil fertility deterioration and the reserving ways on Loess Plateau

Li Dinxing; Wang Meiling; Xu Jianyong

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Soil fertility deterioration and the reserving ways on Loess Plateau

- Soil fertility deterioration and the reserving ways on Loess Plateau
- Bulletin of Soiland Water Conservation Vol. 7, Issue 3, Pages: 46-54(1988)
- 作者机构：
  
  中国科学院西北水土保持研究所
- 作者简介：
- 基金信息：
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- Published：1988
- 稿件说明：
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Li Dinxing, Wang Meiling, Xu Jianyong. Soil fertility deterioration and the reserving ways on Loess Plateau[J]. Bulletin of Soiland Water Conservation, 1988, 7(3): 46-54.
DOI：

Li Dinxing, Wang Meiling, Xu Jianyong. Soil fertility deterioration and the reserving ways on Loess Plateau[J]. Bulletin of Soiland Water Conservation, 1988, 7(3): 46-54. DOI：

摘要

黄土高原地区水土流失对土壤肥力退化的影响

主要表现在农林牧生态功能失调

土壤资源遭到破坏

非地带性土壤取代地带性土壤

资源恶化;土壤物质循环受到损坏

大量养分流失

产投比失调

土壤素质下降

由此诱发干旱和贫瘠。逆转途径是:1、合理利用土地

建立农林牧综合体的保护性农业

促进良性循环;2、加快治坡

改善农业生产条件

建立高产农田;3、增加有机和无机物质投入

强化物质循环的效能

建立良性生态农业的物质循环体系。

Abstract

The impact of soil loss on the deterioration of soil fertility on loessplateau is mainly displayed in the lossing of ecological function of agriculture

forestry and husbandry

the damage of soil resource

zonal soilreplaced by unzonal soil

resources worsend

the cycle system of soilmatter damaged as to a great amount of nutrients lost

the ratio ofproduction to input unbalanced and soil quality lowered

all thesethen induced arid and poor consequences. The reserving way is suggestedas follows

1.to utilize the land rationaly and build the protective agriculture being a composited body of agriculture

forestry and husbandry toenhance virtuous cycle

2.to control slope as quickly as possibe

to improveagricultural production condition and construct highyield farm land

3.toincrease the input of organic and inorganic matter to strengthen theefficiency of matter cycle or to set a virtuous cycle system of ecologicalagriculture.

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