引黄灌区不同灌溉强度和灌溉方式对土壤水分和成分的影响

doi:10.14088/j.cnki.issn0439-8114.2021.17.006

湖北农业科学 ›› 2021, Vol. 60 ›› Issue (17): 27-30.doi: 10.14088/j.cnki.issn0439-8114.2021.17.006

引黄灌区不同灌溉强度和灌溉方式对土壤水分和成分的影响

李东阳

河南黄河勘测规划设计研究院有限公司,郑州 450003

收稿日期:2021-03-23 出版日期:2021-09-10 发布日期:2021-09-30
作者简介:李东阳（1983-）,男,河南方城人,高级工程师,主要从事勘测规划设计研究,（电话）18638615152（电子信箱）aaahun66@163.com。

Effects of different irrigation intensities and irrigation methods on soil moisture and soil composition in Yellow River irrigation area

LI Dong-yang

Henan Yellow River Survey,Planning,Design and Research Institute Co. ,Ltd. ,Zhengzhou 450003,China

Received:2021-03-23 Online:2021-09-10 Published:2021-09-30

摘要/Abstract

摘要： 为提升黄灌区水利工程的灌溉效率,对甘肃省引黄灌区不同灌溉强度和灌溉方式对土壤水分和成分的影响进行研究。结果表明,甘肃省引黄灌区的土壤含水量较低,该区灌溉前0~10 cm表层土壤含水量最高为10.18%,其中表层土壤中6~10 cm含水量较高。随灌溉水量增加,实验区土壤含水量增加。灌溉前,0~2 cm土壤砂粒、粉粒和黏粒的占比分别为2.59%、80.37%和17.04%。随灌溉强度增加和土层厚度增加,实验区土壤砂粒增加,粉粒减少。波涌灌溉减少灌溉水量,提高灌溉均匀度和土壤含水率。

关键词: 引黄灌区, 泥沙输移, 波涌灌溉, 土壤含水率

Abstract: In order to improve the irrigation efficiency of water conservancy projects in the Yellow River irrigation area, the effects of different irrigation intensities and different irrigation methods on soil moisture and composition were discussed in the Yellow River irrigation area of Gansu province. The results showed that the soil water content was low in the Yellow River irrigation area in Gansu province. The highest surface soil water content in 0~10 cm before irrigation was 10.18%, and the water content in 6~10 cm was higher. With the increase of irrigation water, the soil water content in the experimental area increased. Before irrigation, the proportion of sand, silt and clay in 0~2 cm soil was 2.59%, 80.37% and 17.04% respectively. With the increase of irrigation intensity and soil thickness, soil sand and silt in the experimental area increased and decreased. Surge irrigation reduced irrigation water and improved irrigation uniformity and soil moisture content.

Key words: the Yellow River irrigation area, sediment transport, surge flow irrigation, soil moisture content

中图分类号:

TV146

李东阳. 引黄灌区不同灌溉强度和灌溉方式对土壤水分和成分的影响[J]. 湖北农业科学, 2021, 60(17): 27-30.

LI Dong-yang. Effects of different irrigation intensities and irrigation methods on soil moisture and soil composition in Yellow River irrigation area[J]. HUBEI AGRICULTURAL SCIENCES, 2021, 60(17): 27-30.

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引黄灌区不同灌溉强度和灌溉方式对土壤水分和成分的影响

Effects of different irrigation intensities and irrigation methods on soil moisture and soil composition in Yellow River irrigation area

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