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当前位置: 首页 > 文章 > 矿化度对紫花苜蓿发芽率和株高的影响 农业机械学报 2013,44 (10) 159-163+111
Position: Home > Articles > Effects of Mineralization Degree on Germination Percentage and Plant Height of Alfalfa Transactions of the Chinese Society for Agricultural Machinery 2013,44 (10) 159-163+111

矿化度对紫花苜蓿发芽率和株高的影响

作  者：
栗涛;王全九;张振华;吴忠东
单  位：
鲁东大学地理与规划学院;山东理工大学资源与环境工程学院;中国科学院水利部水土保持研究所黄土高原土壤侵蚀与旱地农业国家重点实验室
关键词：
微咸水;紫花苜蓿;矿化度;发芽率;株高
摘  要：
为缓解黄淮海地区淡水资源短缺,科学合理地开发利用微咸水,提高紫花苜蓿的产量,以中苜一号为供试材料,以淡水(矿化度为1 g/L)处理为对照,分别采用矿化度为3、5、7 g/L的微咸水对苜蓿的发芽率和株高的影响进行分析。结果表明:采用矿化度为3 g/L的微咸水进行灌溉时,苜蓿的发芽率和株高与淡水灌溉无显著差异;但采用矿化度为5 g/L和7 g/L的微咸水进行灌溉时则有显著差异,对灌溉水矿化度和发芽率的分析表明,要保证发芽率不低于80%,则需控制矿化度不高于4.48 g/L。对矿化度和株高的分析表明,要达到满意株高,需控制灌溉水矿化度不高于4.66 g/L,否则长期的盐分胁迫对苜蓿的生长有明显抑制作用。
译  名：
Effects of Mineralization Degree on Germination Percentage and Plant Height of Alfalfa
作  者：
Li Tao;Wang Quanjiu;Zhang Zhenhua;Wu Zhongdong;State Key Laboratory of Soil Erosion and Dryland Farming on Loess Plateau,Institute of Soil and Water Conservation,Chinese Academy of Sciences;Institute of Geography and Planning,Ludong University;College of Resources and Environmental Engineering,Shandong University of Technology;
关键词：
Saline water Alfalfa Mineralization degree Germination percentage Plant height
摘  要：
In order to alleviate freshwater shortage in salinization area,use the saline water more scientifically and rationality,and improve the yield of alfalfa,taking Zhongmu No. 1 as the materials and freshwater( mineralization degree of 1 g / L) as contrast,the experiments were conducted to learn the effect of saline water( mineralization degree of 3 g / L,5 g / L and 7 g / L) on germination percentage and plant height of alfalfa. The results showed that the germination percentage and plant height had no significant difference between 3 g / L and fresh water, but it showed great difference when the mineralization degree raised to 5 g / L and 7g / L. The results indicated that,in order to ensure the germination percentage more than 80%,the mineralization degree should be controlled to less than4. 48 g / L. When the satisfied plant height was attained,the mineralization degree should less than4. 66 g / L,otherwise,the growth of alfalfa would be inhabited by long-term salt stress.

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