[1]张俊俊,刘文兆,韩晓阳.陕西长武塬区冬小麦的蒸散特征[J].江苏农业科学,2013,41(12):60-63.
 Zhang Junjun,et al.Evapotranspiration characteristics of winter wheat in Changwu loess tableland[J].Jiangsu Agricultural Sciences,2013,41(12):60-63.
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陕西长武塬区冬小麦的蒸散特征()

《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第41卷
期数:
2013年12期
页码:
60-63
栏目:
育种栽培与生理生化
出版日期:
2013-12-25

文章信息/Info

Title:
Evapotranspiration characteristics of winter wheat in Changwu loess tableland
作者:
张俊俊1 刘文兆12 韩晓阳1
1.西北农林科技大学林学院,陕西杨凌 712100; 2.中国科学院水利部水土保持研究所,陕西杨凌 712100
Author(s):
Zhang Junjunet al
关键词:
蒸散冬小麦长武塬区蒸腾
Keywords:
-
分类号:
A
DOI:
-
文献标志码:
S512.101
摘要:
利用包裹式茎流计和大型称重式蒸渗仪,对陕西长武塬区冬小麦的蒸散特征进行研究,分析了蒸散速率的日变化特征、叶面积指数、土壤含水量对冬小麦蒸散的影响以及冬小麦蒸腾和蒸散量的比值,并比较了水量平衡法与蒸渗仪所测的蒸散量。结果表明,不同天气的冬小麦蒸腾速率日变化差异明显,晴天蒸腾速率的日变化呈单峰曲线,阴天及雨天则呈现不规则的多峰曲线,蒸腾变化幅度也较小;蒸散量的日变化曲线大致呈单峰型,叶面积指数和土壤含水量对蒸散过程都有重要影响;从抽穗至灌浆前期,冬小麦蒸腾与蒸散的比值在80.3%~83.4%之间;采用水量平衡法(0~220 cm)所得蒸散量比蒸渗仪的测量值小6%。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2013-03-01
基金项目:国家自然科学基金(编号:41171033)。
作者简介:张俊俊(1988—),女,安徽阜阳人,硕士,主要从事农田植物水分研究。E-mail:zhslewn2010@163.com。
通信作者:刘文兆,男,陕西乾县人,研究员,博士生导师,主要从事节水生态农业研究。E-mail:wzliu@ms.iswc.ac.cn。
更新日期/Last Update: 2013-12-25