YAO Bao-lin,YE Han-chun,SUN San-min,et al.Research on the Effects of Water Quality on Soil Salt Distribution in Drip Irrigation for Red Jujube[J].Research of Soil and Water Conservation,2011,18(02):218-221.
红枣滴灌条件下灌水水质对土壤盐分分布的影响研究
- Title:
- Research on the Effects of Water Quality on Soil Salt Distribution in Drip Irrigation for Red Jujube
- Keywords:
- drip irrigation; soil salt content; soil salt ions
- 分类号:
- S153.5;S275.6
- 摘要:
- 对含盐土壤不同矿化度水滴灌下土壤水盐的运移规律进行研究，为矮化密植红枣微咸水滴灌提供依据。通过对株行距1 m×；2 m矮化密植红枣各处理土壤水盐数据测定分析，探索土壤水盐运移、分布规律。不同矿化度水滴灌均有洗盐效果，洗盐主要集中在表层0-40 cm的垂直方向，矿化度越高水平方向的洗盐效果越差；枣树生育期土壤盐分积累主要集中在0-30 cm范围内；土壤中各离子含量随土壤含盐量和灌溉水矿化度的增加而增加，尤其是高含盐土壤采用高矿化度水滴灌时更加明显。微咸水灌溉依然具有洗盐效应，微咸水可应用于含盐土壤灌溉。
- Abstract:
- The objective of the experiment was to investigate the effect of difference mineralization degrees of irrigation water on soil water-salt dynamic under soil salt content for dwarfing and high-density culture of red jujube. Therefore, the result would have good application values in guiding saline water irrigation for red jujube. Field experiments were conducted for different treatments with spacing in the rows and spacing between rows about 1 m×2 m red jujube, and to study the regulation of soil water-salt transport under subsurface drip irrigation. The results showed that all treatments decreased soil salt content mainly 0-40 cm soil vertical profile, but did not reduce soil salt content along horizontal direction. During the red jujube growth stage, saline water drip irrigation increases salt content mainly the soil 0-30 cm profile. The content of salt ions increased with water mineralization degree and soil salt content, mainly focused on high soil salt content and water mineralization. Saline water drip irrigation has leaching effect and can be used to irrigate salt-containing soil.
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备注/Memo
收稿日期:2010-10-14;改回日期:2010-10-25。
基金项目:兵团科技支疆计划项目（2009ZJ03）；塔里木大学创新群体项目（TDZKCX09001）；新疆生产建设兵团水利局灌溉试验项目（兵水发[2010]78号）
作者简介:姚宝林（1978- ），男，甘肃合水人，讲师，从事节水灌溉和生态农业研究。E-mail：yaobaolinabcde@163.com
通讯作者:叶含春（1966- ），男，教授，主要从事水资源开发利用方面研究。E-mail：yhch6654h@sina.com