中国亚热带丘陵地区土壤氮循环及其环境影响:来自测量和模拟的证据

IF 3.6 4区农林科学 Q1 AGRONOMY

Frontiers of Agricultural Science and Engineering Pub Date : 2022-01-01 DOI:10.15302/j-fase-2022448

Jianlin Shen, LI Yong, Yi Wang, Yanyan Li, Xiao Zhu, Wenqian Jiang, Yuyuan Li, Jinshui Wu

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引用次数: 0

摘要

中国亚热带丘陵区是农作物和畜牧业集约化生产地区，造成了土壤、水和空气中严重的氮污染。本文综述了中国亚热带丘陵区稻田和高地土壤氮循环的主要过程及其影响因素。主要的氮循环过程包括农田氮肥施用、大气氮沉降、生物固氮、作物氮吸收、氨挥发、N 2o /NO排放、氮径流和淋失。介绍了用于模拟亚热带丘陵地区氮循环的流域养分管理模型及其应用实例。最后，总结了提高农田氮素利用效率和流域尺度的氮素管理措施。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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SOIL NITROGEN CYCLING AND ENVIRONMENTAL IMPACTS IN THE SUBTROPICAL HILLY REGION OF CHINA: EVIDENCE FROM MEASUREMENTS AND MODELING

The subtropical hilly region of China is a region with intensive crop and livestock production, which has resulted in serious N pollution in soil, water and air. This review summarizes the major soil N cycling processes and their influencing factors in rice paddies and uplands in the subtropical hilly region of China. The major N cycling processes include the N fertilizer application in croplands, atmospheric N deposition, biological N fixation, crop N uptake, ammonia volatilization, N 2 O/NO emissions, nitrogen runoff and leaching losses. The catchment nutrients management model for N cycle modeling and its case studies in the subtropical hilly region were also introduced. Finally, N management practices for improving N use efficiency in cropland, as well as catchment scales are summarized.

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来源期刊

Frontiers of Agricultural Science and Engineering AGRONOMY-

CiteScore

5.10

自引率

2.70%

发文量

期刊介绍： Frontiers of Agricultural Science and Engineering (FASE) is an international journal for research on agricultural science and engineering. The journal’s aim is to report advanced and innovative scientific proceedings in agricultural field including Crop Science, Agricultural Biotechnology, Horticulture, Plant Protection, Agricultural Engineering, Forestry Engineering, Agricultural Resources, Animal Husbandry and Veterinary Medicine, Applied Ecology, Forestry and Fisheries. FASE is committed to provide a high level scientific and professional forum for researchers worldwide to publish their original findings and to utilize these novel findings to benefit the society.