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Nitrous Oxide Emissions from Upland Farmland as Affected by Summer Legume Crop Cultivation

XIONG Zheng-qin XING Guang-xi H Tsuruta SHI Shu-lian SHEN Guang-yu DU Li-juan QIAN Wei

中国农业科学(英文版)2002,Vol.1Issue(9):977-981,5.
中国农业科学(英文版)2002,Vol.1Issue(9):977-981,5.

Nitrous Oxide Emissions from Upland Farmland as Affected by Summer Legume Crop Cultivation

Nitrous Oxide Emissions from Upland Farmland as Affected by Summer Legume Crop Cultivation

XIONG Zheng-qin 1XING Guang-xi 1H Tsuruta 2SHI Shu-lian 1SHEN Guang-yu 1DU Li-juan 1QIAN Wei1

作者信息

  • 1. Laboratory of Material Cycling in Pedosphere, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, P.R.China
  • 2. National Institute for Agro-Environmental Sciences, Tsukuba 305, Japan
  • 折叠

摘要

Abstract

A field study was conducted to investigate the effects of leguminous crop cultivation on nitrousoxide (N2O) emissions from upland agricultural soils. Results demonstrated that N2O emission sequences were tively. While in terms of seasonal emission, the sequence was that soybean > peanut crop > upland rice, being 0.77, 0.70 and 0.55 kg/ha respectively. Results also demonstrated that legume crop treatment emitted much more N2O than non-legume upland rice treatment and that N fertilized treatments emitted more than unand N fertilizer, therefore, were one of the important sources of N2O emissions from agricultural fields.

关键词

N2O emission, Upland farmland, Legume crops

Key words

N2O emission, Upland farmland, Legume crops

引用本文复制引用

XIONG Zheng-qin,XING Guang-xi,H Tsuruta,SHI Shu-lian,SHEN Guang-yu,DU Li-juan,QIAN Wei..Nitrous Oxide Emissions from Upland Farmland as Affected by Summer Legume Crop Cultivation[J].中国农业科学(英文版),2002,1(9):977-981,5.

基金项目

This study was financially supported by the National Natural Science Foundation of China (39790100). (39790100)

中国农业科学(英文版)

2095-3119

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