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Position: Home > Articles > Response of Potato Yield and Water Use Efficiency under Seep-irrigation at Various Buried Depths Water Saving Irrigation 2020 (1) 1-4+9

地下渗灌不同埋深对马铃薯产量和水分利用效率的影响

作  者：
任秋实;李兴强;曾玉霞;李梦刚;孙兆军
单  位：
宁夏大学土木与水利工程学院;教育部中阿旱区特色资源与环境治理国际合作联合实验室;宁夏(中阿)旱区资源评价与环境调控重点实验室;宁夏大学资源环境学院
关键词：
马铃薯;地下渗灌;埋深;产量;水分利用效率
摘  要：
为了探索马铃薯地下渗灌的适宜埋管深度,田间试验布置了3个不同灌溉定额水平(1 050、1 500、1 950 m/hm~2)和3个不同埋管深度(0、10、20 cm),研究不同灌溉定额和不同地下渗灌埋深对马铃薯生长、产量和水分利用效率的影响。结果表明,灌溉定额为1 950 m/hm~2,埋管深度为0 cm时,马铃薯干物质积累量和产量最高,灌溉定额1 950 m/hm~2,埋管深度10 cm处理次之;灌溉定额为1 500 m~3/hm~2,埋管深度在10 cm时,马铃薯水分利用效率最高。综上可见,在宁夏扬黄灌区气候条件下,地下渗灌最佳埋设深度为10 cm,相应灌溉定额为1 500 m/hm~2。研究可为指导马铃薯地下渗灌提供参考。
译  名：
Response of Potato Yield and Water Use Efficiency under Seep-irrigation at Various Buried Depths
作  者：
REN Qiu-shi;LI Xing-qiang;ZENG Yu-xia;LI Meng-gang;SUN Zhao-jun;School of Civil Engineering and Water Conservancy, Ningxia University;College of Resources and Environmental Science, Ningxia University;China-Arab Joint International Research Laboratory for Featured Resources and Environmental Governance in Arid Region;Key Laboratory of Resource Assessment and Environmental Control in Arid Region of Ningxia;
关键词：
potato;;underground seep-irrigation;;buried depth;;yield;;water use efficiency
摘  要：
In order to explore the proper buried depth of underground seep-irrigation for potato, an experiment was carried out to study the effects of different irrigation quotas(1 050,1 500,1 950 m~3/hm~2) and different buried depths(0,10, 20 cm) on potato growth, yield and water use efficiency. The results showed that: the maximum dry matter accumulation and yield occurred when the irrigation quota was 1 950 m~3/hm~2 and the buried depth was 0 cm, and the second one occurred when the irrigation quota was 1 950 m~3/hm~2 and the buried depth was 10 cm. The maximum water use efficiency occurred when the irrigation quota was 1 500 m~3/hm~2 and the buried depth was 10 cm. In conclusion, under the climatic conditions of the Yanghuang irrigated area of Ningxia, the optimal buried depth of underground seep-irrigation was 10 cm and the corresponding irrigation quota was 1 500 m~3/hm~2. This study provides a reference for developing potato production under the undergroud seep-irrigation.

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