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Salt Contents in Soils Under Plastic Greenhouse Gardening in China

作  者:
Li Wengqing;Zhang Min;S.Van Der Zee
单  位:
关键词:
fertilization;nitrate;plastic greenhouse
摘  要:
Field experiments were conducted on three main soils, brown soil,meadow soil and cinnamon soil, of Shandong Province to study theeffect of plastic greenhouse gardening on soil contents. As comparedTo the open fields, the soil nutrient contents in the fields underplastic greenhouse gardening all increased Significantly. The organicmatter, quickly available N and P increases were extremelysignificant and the Quickly available K increase was alsosignificant. Along with the nutrient increases the soil salt contentsIncreased clearly in all the soils investigated not only in the toplayer but also in the deeper layers, being Extremely significant inthe 0~10 cm layer and significant in the 10~40 cm layers.

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