| 干化土壤中节水型修剪枣树生长与水分利用效率研究 |
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| 引用本文： | 汪有科,惠倩,汪星,马建鹏,张文飞. 干化土壤中节水型修剪枣树生长与水分利用效率研究[J]. 农业机械学报, 2017, 48(2): 247-254 |
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| 作者姓名： | 汪有科 惠倩 汪星 马建鹏 张文飞 |
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| 作者单位： | College of Water Resources and Architectural Engineering, Northwest A＆F University;Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources,College of Water Resources and Architectural Engineering, Northwest A＆F University,Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources,Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources and Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources |
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| 基金项目： | “十二五”国家科技支撑计划项目（2015BAC01B03）和陕西统筹项目（2014KTCG01-03） |
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| 摘 要： | 在野外山地设置4种不同土壤含水率水平的定位试验小区,试验枣树采用相同的节水型修剪标准使其保持一致的规格,在自然降水情况下连续2年观测土壤含水率、枣树生长、产量等。不同初始含水率的土壤在自然降水条件下,土壤含水率趋向某一个值,该值受年降水量的影响而异,2014平水年该值为(13.83±0.22)%,2015偏旱年为(9.46±0.32)%。初始土壤干化程度不同会显著抑制枣树枣吊生长和果实个数,在相同干化土壤中枣树的生长取决于当年的降水量,但节水型修剪下的产量比常规矮化修剪提高36%~41%,产量水分利用效率提高3.6倍以上。节水型修剪技术有利于提高枣树的产量水分利用效率。
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| 关 键 词： | 枣树 修剪 雨养 土壤含水率 水分利用效率 |
| 收稿时间： | 2016-07-02 |
| 修稿时间： | 2017-02-10 |
Growth and Water Use Efficiency of Water saving Type Pruning Jujube Tree in Dry Soil |
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| WANG Youke,HUI Qian,WANG Xing,MA Jianpeng and ZHANG Wenfei. Growth and Water Use Efficiency of Water saving Type Pruning Jujube Tree in Dry Soil[J]. Transactions of the Chinese Society for Agricultural Machinery, 2017, 48(2): 247-254 |
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| Authors: | WANG Youke HUI Qian WANG Xing MA Jianpeng ZHANG Wenfei |
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| Abstract: | |
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| Keywords: | jujube tree pruning rainfed soil moisture water use efficiency |
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