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2019 | OriginalPaper | Chapter

The Influence of Straw Mulch on the Transport and Distribution of Water and Salt in Indirect Drip Irrigation with Saline Water

Authors : Ce Zhang, Lihua Jia, Yingying Shen, Chao Ma

Published in: Sustainable Development of Water Resources and Hydraulic Engineering in China

Publisher: Springer International Publishing

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Abstract

Straw mulch could effectively inhibit the ineffective evaporation of soil water, which could significantly improve the water use efficiency of crops and inhibit the return of soil salt. The research and popularization of straw mulch technology is beneficial to the sustainable development of agriculture. An indoor, indirect drip irrigation experiment with saline water was done under different straw thicknesses and straw comminution degrees, analyzing the soil water content and soil electrical conductivity. The results showed that: the hindering effect of straw mulch on water and salinity increased with the increase of straw mulch thickness; soil water content decreased with the distance from the water-conducting device increasing; soil electrical conductivity reached the minimum in the water outlet of a water-conducting device; and it reached a maximum in the straw mulching edge and wetting front boundary. The hindering effect of straw mulch on water and salinity decreased with the increase of the straw comminution degree.

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Title: The Influence of Straw Mulch on the Transport and Distribution of Water and Salt in Indirect Drip Irrigation with Saline Water
Authors: Ce Zhang
Lihua Jia
Yingying Shen
Chao Ma
Publisher: Springer International Publishing
Book: Sustainable Development of Water Resources and Hydraulic Engineering in China
Print ISBN: 978-3-319-61629-2

Electronic ISBN: 978-3-319-61630-8

Copyright Year: 2019
DOI: https://doi.org/10.1007/978-3-319-61630-8_19