Nitrogen fertilizer management on wheat yield and nitrogen utilization

被引：13

作者：

Li, Shengdong ^{[1
]}

Li, Zongxin ^{[2
]}

Bi, Xiangjun ^{[1
]}

Feng, Bo ^{[1
]}

Wang, Zongshuai ^{[1
]}

Wang, Fahong ^{[1
]}

Si, Jisheng ^{[1
]}

Shi, Junping ^{[1
]}

Liu, Kaichang ^{[1
]}

机构：

[1] Shandong Acad Agr Sci, Crop Res Inst, Jinan, Peoples R China

[2] Shandong Acad Agr Sci, Corn Res Inst, Jinan, Peoples R China

来源：

JOURNAL OF PLANT NUTRITION | 2022年 / 45卷 / 13期

关键词：

Nitrogen fertilizer precision management; Nitrogen utilization; Wheat; Wheat yield; GRAIN-YIELD; USE EFFICIENCY; MAIZE;

D O I：

10.1080/01904167.2022.2046066

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

This study was conducted to realize the synergistic improvement of high efficiency nitrogen utilization and wheat economic yield, where two treatments of traditional farmer fertilization (TFF) and nitrogen fertilizer precision management (NFPM) were set up. Under the condition of NFPM, the grain yield of wheat increased by 7.9%similar to 11.6%, nitrogen application rate decreased by 30.2%similar to 44.8%, nitrogen uptake efficiency increased by 43.4%similar to 63.3%, nitrogen apparent utilization efficiency increased by 30.7%similar to 68.7%, and nitrogen agronomic efficiency increased by 50.6%similar to 81.3%. It confirmed that NFPM based on the characteristics of wheat fertilizer demand can significantly reduce the amount of nitrogen fertilizer input and achieve a higher yield level, which provides a theoretical basis for the realization of the synergistic goal of nitrogen reduction and efficiency increase.

引用

页码：1953 / 1960

页数：8

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