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, 2:S10

First Online: 11 December 2013


Soil degradation has been a very serious problem for sustainable production, especially by a re-cropping of greenhouse-cultivated cucumber Cucumis statirus L

The aim of this research was to expound the actuality for soil degradation, at the same time, put forward some suggestion for preventing from soil degradation and maintain sustainable production in greenhouse basic on the two experiments conducted in a solar greenhouse during 2001-2008 suburb area of Yan-an, Shaanxi province in North China. The result shown that cucumber fruit productivity increased as the increasing of re-cropping years, but decreased after 5years continuously cropping. As increasing of re-cropping years, the population of fungus and bacteria increased, which was assumingly main factor of soil degradation. There was significant difference in cropping models on soil bio-characteristics and system productivity. The productivity were the highest in cropping model between cucumber and greengrocery, cucumber and cowpea Vigna sinensis L, the second higher were in cropping model between cucumber and maize Zea mays for green manure, cucumber and kidney bean Phaseolus vulgaris. That was the best way to reduce soil bacteria and epiphyte amount to follow lasting three or four months during summer season after cucumber harvest, the better method was planting cowpea or other leguminous crops. Basic on the experiment, the optimums approaches to preventive soil degradation were put forward.

KeywordsSoil degradation greenhouse production cropping model soil bio-characteristics preventing from soil degradation  Download fulltext PDF

Autor: Y Liang - X Lin - S Yamada - M Inoue - K Inosako


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