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Journal of Agriculture ›› 2017, Vol. 7 ›› Issue (11): 23-26.doi: 10.11923/j.issn.2095-4050.cjas17080005

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Effects of Straw Mulching on Water and Salt Movement in Coastal Saline-alkali Soil

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  • Received:2017-08-07 Revised:2017-08-24 Accepted:2017-08-24 Online:2017-11-28 Published:2017-11-28

Abstract: To study the effect of straw mulching on the dynamic changes of soil salt content, moisture and the pH value in coastal saline-alkali soil, a straw mulching test (FG) was carried out, and no mulching was used as CK. The results showed that straw mulching could reduce the soil salt content by 16.09% and 7.26% in 0-20 and 20-40 cm soil layer, and increase the soil water content by 69.21% and 59.08%, respectively. Thus, straw mulching could effectively improve coastal saline-alkali soil, reduce the soil moisture evaporation, improve the water use efficiency, and to a certain extent, inhibit surface accumulation of salt, so as to achieve the purposeof improving the coastal saline-alkali land.