滴灌水肥耦合技术在西北干旱区作物栽培中的应用  

Application of Drip Irrigation Water-fertilizer Coupling Technology in Crop Cultivation in Arid Area of Northwest China

作　　者：董昕 芦倩[2] 王泽义 周三利 吴彦霖 王玉才 张恒嘉 DONG Xin;LU Qian;WANG Zeyi;ZHOU Sanli;WU Yanlin;WANG Yucai;ZHANG Hengjia(College of Water Conservancy and Hydropower Engineering,Gansu Agricultural University t Lanzhou Gansu 730070,China;College of Resources and Environmental Sciences,Gansu Agricultural University,Lanzhou Gansu 730070,China)

机构地区：[1]甘肃农业大学水利水电工程学院,甘肃兰州730070 [2]甘肃农业大学资源与环境学院,甘肃兰州730070

出　　处：《农业工程》2021年第7期73-76,共4页AGRICULTURAL ENGINEERING

基　　金：甘肃省重点研发计划项目(18YFINA073);甘肃省科技支撑计划项目(1304FKCA095);甘肃省高等学校创新能力提升项目(2019B-075);甘肃省青年科技基金计划项目(20JR5RA003)。

摘　　要：水分和养分是影响作物生长发育的关键因素,明确作物需水需肥规律及其交互作用有助于农作物优质高产栽培。我国西北干旱区水资源极端匮乏,滴灌水肥耦合技术可以准确而均匀地将水肥施用于作物根部。对滴灌水肥耦合技术的优点及其对西北干旱区作物的影响研究进行了综述。滴灌水肥耦合技术通过扩大水分和养分在作物根区的运移范围,有利于作物对水分和养分的汲取和利用,实现节水省肥增产调质的目标。滴灌水肥耦合技术的优点为提高农作物水肥利用效率、促进农作物优质高产栽培、减少田间劳动力和有利于健康绿色可持续农业的发展。Water and nutrient are key factors affecting growth and development of crops. It is helpful for high-quality and highyield cultivation of crops to clarify rules of water and fertilizer requirements and their interaction. Because of extreme shortage of water resources in arid areas of Northwest China,drip irrigation coupled with water and fertilizer technology can accurately and evenly apply water and fertilizer to crop roots. Advantages of drip irrigation water fertilizer coupling technology and its effects on crops in northwest arid area were summarized. By expanding range of water and nutrient transport in crop root zone,drip irrigation water and fertilizer coupling technology is conducive to absorption and utilization of water and nutrients,and achieves goal of water saving,fertilizer saving,yield increasing and quality regulating. Advantages of drip irrigation water and fertilizer coupling technology are to improve water and fertilizer utilization efficiency of crops,promote high-quality and high-yield cultivation of crops,reduce field labor,and be conducive to development of healthy green sustainable agriculture.

关 键 词：水肥耦合 西北干旱区 产量 品质 水肥利用效率 

分 类 号：S275[农业科学—农业水土工程]