[1]吕雯,汪有科,许晓平.秸秆覆盖畦田灌溉水流特性及灌水质量分析[J].水土保持研究,2007,14(02):236-238.
　LV Wen,WANG You-ke,XU Xiao-ping.Analysis of Water Flow Performance and Irrigation Efficiency of Boder Irragation under Straw Mulch[J].Research of Soil and Water Conservation,2007,14(02):236-238.
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秸秆覆盖畦田灌溉水流特性及灌水质量分析

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 14 期数: 2007年02期 页码: 236-238 栏目: 出版日期: 1900-01-01
Title:
Analysis of Water Flow Performance and Irrigation Efficiency of Boder Irragation under Straw Mulch
作者:
吕雯1,2, 汪有科2,3, 许晓平3
1. 宁夏大学新技术应用研究开发中心, 银川, 750021;
2. 中国科学院水利部水土保持研究所, 陕西, 杨凌, 712100;
3. 西北农林科技大学, 陕西, 杨凌, 712100
Author(s):
LV Wen1,2, WANG You-ke2,3, XU Xiao-ping3
1. Applied Reasearch and Development Center for the New Techology, Ningxia University, Yingchuan 750021, China;
2. Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resource, Yangling, Shaanxi 712100, China;
3. Northwest Sci-tech University of Agriculture and Forestry, Yangling, Shaanxi 712100, China
关键词:
秸秆覆盖; 地面灌溉; 水流特性; 灌水技术要素; 灌溉效率; 灌水均匀度
Keywords:
straw mulch border irrigation; water flow performance; irrigation design and management variables; irrigation efficiency; distribution uniformity
分类号:
S274.2
摘要:
在陕西杨凌张家岗村覆盖玉米秸秆的冬小麦地进行了畦田规格和灌水技术要素对灌水效率和灌溉均匀度影响的田间试验，并SRFR406软件对秸秆覆盖畦灌的水流推进进行了数学模拟。结果表明，给出的地面灌溉模型及软件可较好的模拟秸秆覆盖畦田水流运动。畦田规格与技术要素的选择对灌水效率及灌水均匀度均有影响。在覆盖秸秆畦田以畦长小于50 m，畦宽2~3 m，单宽流量以6~8 L/（m·s），坡度以3‰~5‰为宜。为提高秸秆覆盖灌水效率，应加强耕作管理，消除反坡。
Abstract:
Field experiments were conducted to investigate the influences of border dimensions and irrigation variables on the performance of water advance under straw mulch, irrigation efficiency and distribution uniformity (DU). The commercial software, namely SRFR406, was used to simulate the performance of water advance. The results showed that the code simulated the performance of water advance successfully. The border dimensions had influences to application efficiency, borders having 2～3 m wide, not more than 50 m long, inflow rate of unit width is from 6 L/ (m·s) to 8 L/ (m·s), and border slope is from 3‰ to 5‰ can get high application efficiency.

参考文献/References:

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[3] 闫庆键,李久生.地面灌溉水流特性及水分利用率的数学模拟[J],灌溉排水学报,2005(4):62-66.
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备注/Memo

收稿日期:2006-5-23
基金项目:国家“863”节水农业重大专项（2002AA2Z4211）
作者简介:吕雯（1979- ），女，硕士，助教，主要从事节水灌溉，水土保持方面研究。

更新日期/Last Update: 1900-01-01