排灌机械工程学报
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排灌机械工程学报  2017, Vol. 35 Issue (3): 271-276    DOI: 10.3969/j.issn.1674-8530.16.0021
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不同灌水方式对盐碱地苜蓿生长及土壤水盐动态的影响
张昌爱1,4, 辛淑荣1,4, 王国良2, 王成章3, 盛亦兵2
1.山东省农业科学院农业资源与环境研究所, 山东 济南 250100; 2.山东省农业可持续发展研究所, 山东 济南 250100; 3.河南农业大学牧医工程学院, 河南 郑州 450002; 4.农业部山东省耕地保育科学观测实验站, 山东 寿光 262714
Influence of irrigation method on alfalfa growth and water-salt dynamics
ZHANG Chang′ai1,4, XIN Shurong1,4, WANG Guoliang2, WANG Chengzhang3, SHENG Yibing2
1.Agricultural Resources and Environment Institute of Shandong Agriculture Science Academe, Jinan, Shandong 250100, China; 2.Shandong Institute of Agricultural Sustainable Development, Jinan, Shandong 250100, China; 3.College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, Henan 450002, China; 4.Scientific Observing Experimental Station of Arable Land Conservation of Shandong Province, Ministry of Agriculture, Shouguang, Shandong 262714, China
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摘要 为了优化盐碱地苜蓿栽培的灌水方式,采用自然降雨、滴灌、漫灌3处理3重复的田间小区试验研究了不同灌水方式对盐碱地苜蓿株高、株密度、产量及土壤水盐动态的影响作用.研究结果表明:与自然降雨条件相比,漫灌及滴灌均能显著增加苜蓿的株高和产量;滴灌与漫灌相比,在节约用水60%条件下产量不具有统计学意义差异,因而滴灌是苜蓿栽培中值得推荐的节水灌溉方式;漫灌主要影响到0~60 cm土层的土壤含水率,而对更深土层的水分含量影响较小;而滴灌主要影响到0~20 cm土层含水率,对20~60 cm土层含水率影响略小.随着土层的加深,灌溉对土壤盐分含量的影响差异逐渐减小.在试验条件下,灌溉措施主要影响到上层土壤的盐分含量(0~60 cm土层).就2种灌溉措施而言,漫灌能增加表层(0~20 cm)土壤的盐分含量,而滴灌对上层(0~60 cm)土壤盐分含量的影响较为平均.漫灌和滴灌对土壤pH值及土壤EC值均具有一定的扰动作用,且其影响作用主要体现在0~60 cm深度的土层内;相对漫灌而言,滴灌对土壤0~60 cm各土层土壤pH值及土壤EC值的影响作用较为平均.
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张昌爱
辛淑荣
王国良
王成章
盛亦兵
关键词灌水方式   苜蓿   盐碱地   水盐动态     
Abstract: In order to optimize irrigation method for alfalfa growth in saline-alkali soil in the Yellow River Delta region, a field plot experiment was conducted. In the experiment, three irrigation methods such as natural rainfall, drip irrigation and flood irrigation are applied. The effects of these irrigation methods on plant height, population, yield and water-salt dynamics in the saline-alkali soil are observed. The experimental results show that the plant height and yield of alfalfa are all increased in flood and drip irrigations in comparison with natural rainfall. There is not significant difference in the plant height and yield of alfalfa from flood irrigation to drip irrigation with 60% water saving, suggesting drip irrigation is one water saving irrigation method which is worthy of recommendation to alfalfa cultivation. In flood irrigation, the water content in 0-60 cm thick soil layer is mainly affected, in drip irrigation, however, the water content in 0-20 cm layer is changed significantly. The salt content in 0-60 cm soil layer is affected greatly in flood irrigation in comparison with 0-20 cm soil layer in drip irrigation. The PH and EC values in 0-60 cm soil layer vary in flood irrigation, however, these values seem to show a uniform variation across the whole layer in drip irrigation. 
Key wordsirrigation methods   alfalfa   saline-alkali soil   water-salt dynamic   
收稿日期: 2016-01-21;
基金资助:公益性行业(农业)科技专项资助项目(201403048-6);国家牧草产业技术体系(CARS-35);鲁农良种字[2013]1号
通讯作者: 盛亦兵(1963—),男,山东济南人,研究员,硕士(通信作者,shengyib@163.com),主要从事牧草育种及栽培研究.   
作者简介: 张昌爱(1971—),男,山东泰安人,研究员,博士(zca2006@sina.com),主要从事农业资源与环境研究.
引用本文:   
张昌爱,,辛淑荣等. 不同灌水方式对盐碱地苜蓿生长及土壤水盐动态的影响[J]. 排灌机械工程学报, 2017, 35(3): 271-276.
ZHANG Chang-Ai-,,XIN Shu-Rong- et al. Influence of irrigation method on alfalfa growth and water-salt dynamics[J]. Journal of Drainage and Irrigation Machinery Engin, 2017, 35(3): 271-276.
 
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