农业工程学报2011，Vol.27Issue(3)：37-42,6.DOI:10.3969/j.issn.1002-6819.2011.03.007
保水剂对注水播种玉米土壤水分运移及水分生产效率的影响
Effects of water-retaining agent on soil water moverment and water use efficiency of maize sowed with absolved water-storing irrigation
李海燕 1张芮 1王福霞2
作者信息
- 1. 甘肃农业大学工学院,兰州,730070
- 2. 甘肃省水利水电勘测设计研究院,兰州,730000
- 折叠
摘要
Abstract
Based on field experiment of maize sowing with absolved water-storing irrigation, the effects of water-retaining agent on soil water momvent, dynamic of soil water, water consumption mount during whole growth period, yield and water use efficiency (WUE) were studied. The results showed that application of water-retaining agent 2.5 g/m2 (YB2.5) could enhance yield and soil water content near the root of crop significantly, and could save water remarkably. Water holding efficiency for the application of water-retaining agent 1.5 g/m2 (YB1.5) and seed dressing with water-retaining agent (YBH) treatment was good within 101 days after sowing, but the effect of water holding gradually decreased after 101 days. There was no apparent difference on soil water content between treatments YB0.5 and YB0,so water holding efficiency would not be improved obviously if little water-retaining agent was applied.关键词
含水率/保水/灌溉/保水剂/注水播种/玉米/土壤水分运移/水分生产效率Key words
water content/ water conservation/ irrigation/ water-holding agent/ sowed with water/ soil water movement/maize/ water use efficiency分类
农业科技引用本文复制引用
李海燕,张芮,王福霞..保水剂对注水播种玉米土壤水分运移及水分生产效率的影响[J].农业工程学报,2011,27(3):37-42,6.
