Study on Changes of Soil Salt and Nutrient in Greenhouse of Different Planting Years

DU Xin-min; WU Zhong-hong; ZHANG Yong-qin; PEI Xue-xia

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Study on Changes of Soil Salt and Nutrient in Greenhouse of Different Planting Years

更新时间：2024-11-07

- Study on Changes of Soil Salt and Nutrient in Greenhouse of Different Planting Years
- Vol. 21, Issue 2, Pages: 78-80(2007)
- 作者机构：
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  CLC： S151.93S625.54
- Published：2007
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DU Xin-min, WU Zhong-hong, ZHANG Yong-qin, et al. Study on Changes of Soil Salt and Nutrient in Greenhouse of Different Planting Years[J]. 2007, 21(2): 78-80.
DOI：

DU Xin-min, WU Zhong-hong, ZHANG Yong-qin, et al. Study on Changes of Soil Salt and Nutrient in Greenhouse of Different Planting Years[J]. 2007, 21(2): 78-80. DOI：

摘要

以山西省临汾市不同种植年限的蔬菜日光温室土壤为研究对象，分析了土壤有机质、碱解氮、硝态氮、速效磷、速效钾等养分指标的累积状况以及温室土壤电导率、可溶性盐、pH值的变化情况。结果表明，与大田土壤相比，温室土壤电导率和可溶性盐含量逐年增加，pH值下降，种植8a的日光温室土壤盐分累积量已接近黄瓜的生育障碍临界点；土壤养分均有不同程度的累积，尤其是土壤速效磷、硝态氮的累积严重；日光温室特殊的环境条件以及过量施用化肥是土壤盐分累积和养分富集的主要原因。

Abstract

Nutrients sourced vegetable greenhouse soil from Linfen city in Shanxi province were investigated.The nutrient indexes included soil organic matter

available nitrogen

NO-3-N

readily available P

available K and the changes of soil electrical conductivity

dissolvable salt and pH.The results showed that compared with the open field soil the greenhouse soil electrical conductivity and the salt content increased and pH decreased gradually.The content of soil salt in greenhouse of planting 8 a had accumulated to the cucumber's critical point of which obstacles the growth.The soil nutrients accumulated in distinct degrees

especially the readily available P and NO-3-N accumulated heavy.The main reasons caused the accumulation of soil salt and nutrients are the special environment condition of greenhouse and the surfeit use of fertilizer.

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