我国西南地区的稻田CH4排放

陈德章;王明星;上官行健;黄俊;R.A.Rasmussen;M.K.A.Khalil

doi:10.11867/j.issn.1001-8166.1993.05.0047

地球科学进展 >

1993 , Vol. 8 >Issue 5: 47 - 54

DOI: https://doi.org/10.11867/j.issn.1001-8166.1993.05.0047

全球变化研究

我国西南地区的稻田CH₄排放

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1.中国科学院大气物理研究所,100029;2.Oregon Graduate Institute of Science & Technology,USA

收稿日期: 1993-04-09

网络出版日期: 1993-09-01

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METHANE EMISSION FROM RICE FIELDS IN THE SOUTH-EAST CHINA

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1.Institute of Atmospheric Physics,Chinese Academy of Science 100029;2.Oregon Institute of Sciences &. Technolgy ,USA

Received date: 1993-04-09

Online published: 1993-09-01

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摘要

稻田CH₄排放的季节变化和水稻的生长过程(水稻高度)有较大的关系,有机肥对稻田CH₄排放有促进作用,沼气发酵肥可以降低稻田的CH₄排放量,水稻品种对稻田CH₄排放有一定影响,垄作是减少稻田CH₄排放的一种重要方法。

关键词： CH₄; 排放量; 排放率; 稻田; 温度

本文引用格式

陈德章;王明星;上官行健;黄俊;R.A.Rasmussen;M.K.A.Khalil . 我国西南地区的稻田CH₄排放[J]. 地球科学进展, 1993 , 8(5) : 47 -54 . DOI: 10.11867/j.issn.1001-8166.1993.05.0047

Abstract

Methane emission from rice paddy field had been studied for 5 years in Leshan Sichuan province south - west China. Two emission peaks were found during the whole growing season,and these two peaks have a good relationship with the hight changing rate of the rice plant. Organic fertilizer can increase the methane emission rate. Fermented fertilizer from biogas pits can decrease methane emission rate. Hybrid rice paddy has a lower methane emission rate and a higher plants and a higher yield compared with normal rice paddy.The average methane emission rate for 5 year is 67. 0 mg/m². h,which should be regarded as a upper limit.

Key words： CH₄; emission rate; rice paddy; temperature

参考文献

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