NITROGEN USE EFFICIENCY IN CEREALS UNDER HIGH PLANT DENSITY: MANUFACTURING, MANAGEMENT STRATEGIES AND FUTURE PROSPECTS
文献类型： 外文期刊
作者： Sher, A. 1 ; Zhang, L. G. 2 ; Noor, M. A. 3 ; Nadeem, M. 4 ; Ashraf, U. 5 ; Baloch, S. K. 6 ; Ameen, A. 7 ; Yuan, X. Y. 1 ;
作者机构： 1.Shanxi Agr Univ, Coll Agron, Key Lab Crop Chem Regulat & Chem Weed Control, Taigu, Shanxi, Peoples R China
2.Shanxi Acad Agr Sci, Inst Crop Sci, Taiyuan, Shanxi, Peoples R China
3.Chinese Acad Agr Sci, Minist Agr, Inst Crop Sci, Key Lab Crop Physiol & Ecol, Beijing 100081, Peoples R China
4.Anhui Agr Univ, Sch Agron, Hefei, Anhui, Peoples R China
5.Univ Educ, Dept Bot, Faisalabad Campus, Faisalabad 38000, Punjab, India
6.Shanxi Agr Univ, Coll Agr, Taigu, Shanxi, Peoples R China
7.Gomal Univ, Fac Agr, Dept Agron, Dera Ismail Khan 29050, Pakistan
关键词： cereals; NUE; plant density; nitrogen management; physiological mechanism
期刊名称：APPLIED ECOLOGY AND ENVIRONMENTAL RESEARCH （ 2020影响因子：0.711； 五年影响因子：0.796 ）
ISSN： 1589-1623
年卷期： 2019 年 17 卷 4 期
收录情况： SCI
摘要： Increasing the crop yield is very important and depends relatively on high plant density. The high grain yield per unit area of cereals is due to the optimum plant density. In this review, recent improvements and future insights to obtain better information for the regulation of nitrogen use efficiency in cereals under high plant density are presented. An updated knowledge of the basic mechanisms controlling plant nitrogen interaction is very important in cereals, to increase nitrogen use efficiency and for decreasing high cost of fertilizers, to obtain high output. In view of this fact, we should emphasize to develop plant morpho-physiological, agronomic and molecular studies which focuses on phenomics, genomics, and metabolite profiling to understand comprehensive knowledge of the different steps of nitrogen uptake, assimilation, and recycling under high plant density in cereals. A very important piece of information is provided on understanding of the physiological assimilation of N under different environmental conditions in cereals under different plant densities that has been improved through the use of different strategies for future research. According to the global economic and environmental constraints for future, agronomic and physiological principles and application which were adapted to less fertilizer inputs are discussed under high plant density.
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