[1]万素梅,胡守林,黄庆辉,等.不同苜蓿品种头茬草土壤水分动态分析[J].水土保持研究,2004,11(02):138-139,172.
　WAN Su-mei,HU Shou-lin,HUANG Qing-hui,et al.Studies on Dynamic Change of Soil Water to Different Alfalfa Varities in the First Harvest[J].Research of Soil and Water Conservation,2004,11(02):138-139,172.
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不同苜蓿品种头茬草土壤水分动态分析

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 11 期数: 2004年02期 页码: 138-139,172 栏目: 出版日期: 1900-01-01
Title:
Studies on Dynamic Change of Soil Water to Different Alfalfa Varities in the First Harvest
作者:
万素梅1,2, 胡守林2, 黄庆辉3, 王龙昌1
1. 西北农林科技大学干旱半干旱中心, 陕西, 杨陵, 712100;
2. 塔里木农垦大学植物科技学院, 新疆, 阿拉尔, 843300;
3. 乌鲁木齐天康饲料公司, 乌鲁木齐, 843300
Author(s):
WAN Su-mei1,2, HU Shou-lin2, HUANG Qing-hui3, WANG Long-chang1
1. Northwest Sci-tech University and Forestry, Yangling 712100, Shaanxi, China;
2. Tarum University of Agriculture Reclamation, Alar 843300, Xinjiang, China;
3. Urumqi Tiankang Forage Company, Urumqi 843300, China
关键词:
紫花苜蓿; 头茬草; 土壤水分; 动态变化
Keywords:
alfalfa cultivars; the first harvest; soil water content; dynamic change
分类号:
S15.7
摘要:
通过对12个国内外紫花苜蓿品种头茬草土壤水分状况的分析研究，结果表明，不同品种之间头茬草土壤含水量与水分利用效率存在明显差异。头茬草不同土层深度土壤含水量变化呈现高-低-高的"V"字型变化，这种规律性变化与苜蓿根系发育特点、吸收特性有关。所有引进种的水分利用效率均大于地方品种会宁。抓好头茬草是获得苜蓿高产、优质、提高水分利用效率的关键。引进种能吸收深层土壤的水分，有较强的增产潜力和抗旱能力。
Abstract:
Analyzing soil water content of different alfalfa varietiesin in the first harvest,the results showed that there were distinct differences in soil water content and water use efficiency among different varieties.Soil water content in different depth has a "V" change which is high,low,high in the 1st harvest.The change related with root.All introduced varieties have higher water use efficiency than the local variety Huining in the first harvest.The first harvest is a key to having a high yield,good quality and high water use efficiency.The introduced varieties have big potentiality of increasing production and ability of drought resistance.

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备注/Memo

收稿日期:2003-11-1。
基金项目:农业部948项目"澳大利亚多年生及一年生苜蓿品种引进"（项目编号：961013）
作者简介:万素梅（1968- ），女，新疆人，副教授，硕士，主要从事农业资源与农作制度的教学与研究工作.

更新日期/Last Update: 1900-01-01