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

被引：2

作者：

Zhang, Ce ^{[1
]}

Jia, Lihua ^{[2
]}

Shen, Yingying ^{[3
]}

Ma, Chao ^{[1
]}

机构：

[1] Hebei Univ Engn, Hydropower Coll, Handan 056000, Peoples R China

[2] Shaanxi Agr Engn Survey & Design Inst, Xian 710068, Shaanxi, Peoples R China

[3] China Irrigat & Drainage Dev Ctr, Beijing 100000, Peoples R China

来源：

SUSTAINABLE DEVELOPMENT OF WATER RESOURCES AND HYDRAULIC ENGINEERING IN CHINA | 2019年

关键词：

Straw mulch; Straw thickness; Straw comminution degree; Soil water content; Soil electrical conductivity; SOILS;

D O I：

10.1007/978-3-319-61630-8_19

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

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.

引用

页码：227 / 239

页数：13

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