Effects of Different Mulch Types on Farmland Soil Moisture in an Artificial Oasis Area

被引：6
作者：
Ye, Linlin [1 ,2 ]
Xu, Yuanxiao [1 ,2 ]
Zhu, Guofeng [1 ,2 ]
Zhang, Wenhao [1 ,2 ]
Jiao, Yinying [1 ,2 ]
机构：
[1] Northwest Normal Univ, Coll Geog & Environm Sci, Lanzhou 730070, Peoples R China
[2] Northwest Normal Univ, Shiyang River Ecol Environm Observat Stn, Lanzhou 730070, Peoples R China
来源：
LAND | 2024年 / 13卷 / 01期
基金：
中国国家自然科学基金;
关键词：
arid area; maize field; mulch; irrigation; soil moisture; EVAPOTRANSPIRATION; YIELD; FILM;
D O I：
10.3390/land13010034
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Different types of mulch are often used in agricultural production to enhance soil moisture and improve crop yields. The question of which mulch provides superior water retention in arid regions, where water resources are scarce, is a major concern for agricultural production. We conducted observations and studies at a typical irrigated experimental station in an arid zone with four types of mulch, including liquid mulch (LM), biodegradable mulch (BM), ordinary black mulch (OBM), and ordinary white mulch (OWM), and plots with no mulch. Samples were collected and analyzed at 1, 3, 5, and 7 days after each rainfall or irrigation to obtain soil moisture changes and to analyze the effect of different mulches on soil moisture retention. The results showed that mulch cover was effective in retaining soil moisture compared to plots without mulch cover. Specifically, soil moisture was highest in the farmland with OWM during the observation period. OWM, OBM, and BM were all effective in reducing soil water evaporation and maintaining soil moisture. LM and BM were capable of utilizing rainfall to recharge soil water in a superior way, and polyethylene mulches (OBM and OWM) had a significant barrier impact on rainfall.
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页数：17
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