Effects of Polymer Conditioner and Nitrogen Fertilizer Application on Nitrogen Absorption and Utilization of Drip-Irrigated Wheat in Arid Areas

被引:0
作者
Hong, Dashuang [1 ,2 ]
Chang, Doudou [1 ,2 ]
Shao, Changlong [3 ]
Cui, Wenli [1 ,2 ]
Lu, Xiaoyu [1 ,2 ]
Dong, Wen [1 ,2 ]
Fan, Hua [1 ,2 ]
Wang, Kaiyong [1 ,2 ]
Liu, Yantao [4 ]
机构
[1] Shihezi Univ, Agr Coll, Shihezi 832000, Peoples R China
[2] Res Ctr CentraAsia Efficient Utilizat Phosphorus R, Guiyang 550000, Peoples R China
[3] Aksu Jiabang Fertiliser Co, Aksu 843000, Peoples R China
[4] Xinjiang Acad Agr Reclamat Sci, Shihezi 832000, Peoples R China
来源
AGRONOMY-BASEL | 2024年 / 14卷 / 02期
关键词
polymer amendment; nitrogen release; nitrogen reduction; USE EFFICIENCY; YIELD; POLYACRYLAMIDE; MINERALIZATION; TILLAGE; MAIZE;
D O I
10.3390/agronomy14020232
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
Nitrogen (N), an important element for crop growth, has a great impact on dry matter weight and yield. Currently, improving N fertilizer use rate is an urgent problem to be solved in agricultural production in the world. In this field experiment, a self-developed water-soluble polymer material (PPM) with water retention and slow-release characteristics was combined with different doses of N fertilizer (N300 (100% N), PN300 (PPM + 100% N), PN240 (PPM + 80% N), PN180 (PPM + 60% N), CK (no N and PPM)) to analyze the impacts on N uptake and use efficiency of wheat plants. The results showed that the combined application of PPM and N fertilizer significantly improved yield, plant height, biomass, and N uptake and use efficiency of drip irrigated wheat, and the PN240 group had the highest N use rate. In addition, the PN300 group had the highest yield. N use efficiency in the PN240 group was 40.23% higher than that in the N300 group. Therefore, the combined application of PPM and N fertilizer, especially PN240, can reduce the N fertilizer application rate by increasing N use efficiency. This study provides technical reference for improving the N use efficiency of drip-irrigated wheat in arid areas.
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页数:13
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