Soil Water and Salt Migration Under Border Irrigation with Saline Water

FENG Di; ZHANG Jun-peng; CAO Cai-yun; ZHENG Chun-lian; LIU Zu-gui; SUN Jing-sheng

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Soil Water and Salt Migration Under Border Irrigation with Saline Water

更新时间：2024-11-07

- Soil Water and Salt Migration Under Border Irrigation with Saline Water
- Vol. 25, Issue 5, (2011)
- 作者机构：
  
  1. 中国农业科学院农田灌溉研究所农业部作物需水与调控重点开放实验室
  2. 河北省农林科学院旱作农业研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2011
- 稿件说明：
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FENG Di, ZHANG Jun-peng, CAO Cai-yun, et al. Soil Water and Salt Migration Under Border Irrigation with Saline Water[J]. 2011, 25(5).
DOI：

FENG Di, ZHANG Jun-peng, CAO Cai-yun, et al. Soil Water and Salt Migration Under Border Irrigation with Saline Water[J]. 2011, 25(5). DOI：

摘要

在环渤海地区采用咸水播前造墒方式

研究不同土层的水盐运移规律以及土壤含盐量周年变化

为确定合理的灌溉指标提供理论依据和技术参数。结果表明:在不同的土壤含水量条件下

土壤剖面的水分和盐分分布呈现显著差异

其中0-60cm和0-40cm土层分别是土壤水分和盐分的易变层;土壤含盐量不仅和土壤水分存在密切关系

而且随着灌溉水矿化度的增加而增加;为实现土壤可持续的生产力水平

土壤盐渍化状况应控制在轻度水平

从这个意义上讲

灌溉水矿化度最好控制在6g/L以下。咸水播前造墒方式有效扩大了咸水的可利用范围。

Abstract

Research on soil water and salt migration within different soil layers and annual variation of soil salinity under border irrigation with saline water before sowing in the Bohai rim

to provide theoretical basis and technical parameters for confirming reasonable irrigation indexes.The results showed that the soil profile water and salt distribution presented significant difference under different soil water content

the layers of 0-60 cm and 0-40 cm was the inconstant layer of soil water and salt respectively...

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Related Institution

Farmland Irrigation Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Water-Saving Agriculture of Ministry of Agriculture

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