Effects of short-term submerged cultivation of Ipomoea aquatica Forsk on salinized soil in midsummer

doi:10.14088/j.cnki.issn0439-8114.2020.04.012

Abstract

Abstract: In order to study the effects of short-term paddy and upland rotation on soil properties in midsummer high temperature season, taking Ipomoea aquatica Forsk as test material, a 40 d submerged cultivation test was carried out in the back-cover cultivation bucket of soil salinization treatment, and then 32 d of dry cultivation was used to explore its influence on the EC value, soil nutrient content and soil enzyme activity of 0~40 cm soil layer. The results showed that the water cut off after the short period of flooding in midsummer high temperature season, combined with the planting of fast-growing Ipomoea aquatica Forsk, it can obviously reduce the salinity of saline soil surface and equalize the nutrients in 0~40 cm soil layer. It is believed that the saline infiltration through short-term flooding, combined with the absorption and metastasis of fast-growing aquatic vegetables, it can effectively alleviate the soil salinization of the facilities caused by excessive use of chemical fertilizers.

Key words: salinization, submerged cultivation, Ipomoea aquatica Forsk, soil nutrients

CLC Number:

PAN Rui-rui, QIAN Jia-yu, JIANG Jie-zeng, ZHANG Hao, ZHANG Yong-xian. Effects of short-term submerged cultivation of Ipomoea aquatica Forsk on salinized soil in midsummer[J]. HUBEI AGRICULTURAL SCIENCES, 2020, 59(4): 59-62.

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