Changing Trend of Soil Physical and Chemical Properties Under Continuous Vegetable Cultivation in Longdong Region

FAN Ya-na; ZHAO Guo-dong

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Changing Trend of Soil Physical and Chemical Properties Under Continuous Vegetable Cultivation in Longdong Region

- Changing Trend of Soil Physical and Chemical Properties Under Continuous Vegetable Cultivation in Longdong Region
- Bulletin of Soiland Water Conservation Vol. 26, Issue 6, Pages: 116-119(2007)
- 作者机构：
  
  1. 陇东学院化学化工学院
  2. ,陕西,西安,710021
  3. 黄河水利委员会黄河上中游管理局甘肃西峰,745000
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2007
- 稿件说明：
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FAN Ya-na, ZHAO Guo-dong. Changing Trend of Soil Physical and Chemical Properties Under Continuous Vegetable Cultivation in Longdong Region[J]. Bulletin of Soiland Water Conservation, 2007, 26(6): 116-119.
DOI：

FAN Ya-na, ZHAO Guo-dong. Changing Trend of Soil Physical and Chemical Properties Under Continuous Vegetable Cultivation in Longdong Region[J]. Bulletin of Soiland Water Conservation, 2007, 26(6): 116-119. DOI：

摘要

对陇东黄土高原地区庆阳市周边各县蔬菜大棚土壤性质进行了测定分析。结果表明

随着连作年限的增加

温室土壤盐分表聚和酸化现象明显

土壤主要养分含量有增加的趋势。其主要原因是偏施化肥

不重视有机肥

常年连作

不合理灌溉等。建议采取限制化肥用量

增施有机肥

改进施肥技术

科学灌溉

合理轮作等措施

改良温室土壤。

Abstract

Soil samples under plastic shed vegetables in Longdong and its surrounding areas on the Loess Plat- eau were analyzed.Results showed that both soil salt accumulation and acidulation in topsoil were evident and the amounts of main soil n ut rients are increased.The reasons for the change are the over applied fertiliz- er

poorly added organic manure

continuous cultivation

irrational irrigation

etc.We should increase or- ganic man u re

limit mineral fertilizer application

improve fertiliiing practice

perform irrigation and drainage scientifically

and u ndertake rational rotation in the future.

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