| 不同灌水处理对盐渍土壤中玉米生长发育的影响 |
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| 引用本文： | 吕桂军,袁巧丽,康银红.不同灌水处理对盐渍土壤中玉米生长发育的影响[J].节水灌溉,2010(3). |
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| 作者姓名： | 吕桂军 袁巧丽 康银红 |
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| 作者单位： | 1. 黄河水利职业技术学院,河南,开封,475001
2. 西北农林科技大学教育部旱区农业水土工程重点实验室,陕西,杨凌,712100 |
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| 基金项目： | 国家自然科学基金资助项目(50339030);;河南省教育厅青年骨干教师资助计划项目(2009GGJS-131) |
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| 摘 要： | 通过盐渍土壤盆栽玉米试验,对不同灌水处理下玉米的生长发育及土壤水分和热量的变化情况进行了对比研究。结果表明保持适宜的土壤含水量可以起到调控地温,维持良好土壤根际环境的作用;灌水方法和灌水定额对盐渍土壤中玉米的生长发育具有决定性影响;交替灌溉能促进玉米根系的发育和分支,优化根冠比例,提高作物水分利用率;交替灌溉能够促进玉米对水分和养分的吸收,是一种在盐渍土壤中切实可行的节水灌溉方法。
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| 关 键 词： | 灌水方法 盐渍土壤 玉米 水分利用率 |
Influence of Different Irrigation Treatments on Growth of Maize in Saline Soil |
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| Institution: | 1.Yellow River Conservancy Technical Institute/a>;Kaifeng 475001/a>;Henan Province/a>;China/a>;2.Key Lab of Agricultural Soil and Water Engineering in Arid and Semiarid Areas/a>;Ministry of Education/a>;Northwest Sci-Tech University of A& F/a>;Yangling 712100/a>;Shaanxi Province/a>;China |
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| Abstract: | Using the method of cultivating maize in saline soil in pots,growth of maize and change of water,temperature in saline soil were studied under different irrigation treatments.The results showed that appropriate soil water content could regulate soil temperature and maintain good soil rhizosphere environment,irrigation method and irrigation requirement had a decisive influence on the growth of maize in saline soil,alternative irrigation could promote the growth and branch of maize roots,optimize the root cap... |
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| Keywords: | irrigation methods saline soil maize water use efficiency |
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