Effect of barley straw biochar application on greenhouse gas emissions from upland soil for Chinese cabbage cultivation in short-term laboratory experiments

被引：0

作者：

SeWon KANG ^{[1
]}

DongCheol SEO ^{[2
]}

YongHwa CHEONG ^{[3
]}

JuWang PARK ^{[3
]}

JongHwan PARK ^{[2
]}

HangWon KANG ^{[4
]}

KiDo PARK ^{[4
]}

Yong Sik OK ^{[5
]}

JuSik CHO ^{[1
]}

机构：

[1] Department of Medicinal & Industrial Crops,Korea National College of Agriculture and Fisheries

[2] Division of Applied Life Science (BK Program) & Institute of Agriculture and Life Sciences,Gyeongsang National University

[3] Department of Bio-environmental Sciences,Sunchon National University

[4] National Institute of Crop Science,Rural Development Association

[5] Korea Biochar Research Center & Department of Biological Environment,Kangwon National University

来源：

JournalofMountainScience | 2016年 / 13卷 / 04期

关键词：

Biochar; Carbon dioxide; Methane; Nitrous oxide; Global warming;

D O I：

暂无

中图分类号：

S634.1 [大白菜];

学科分类号：

090202 ;

摘要：

Chinese cabbage was cultivated in upland soil with the addition of biochar in order to investigate the potential for reduction of greenhouse gas emissions. Barley straw biochar（BSB） was introduced in a Wagner pot（1/5000a） in amounts of 0（BSB0, control）, 100（BSB100）, 300（BSB300）, and 500（BSB500） kg 10a-1. After the addition of BSB into the upland soil, carbon dioxide（CO2） emission increased while methane（CH4） and nitrous oxide（N2O） emissions decreased. The highest CO2 flux was measured for the BSB500 sample,(84.6 g m-2) followed by BSB300, BSB100, and BSB0 in decreasing order. Relative to those of control, the total CH4 flux and N2O flux for the BSB500 treatment were lower by 31.6% and 26.1%, respectively. The global warming potential（GWP） of the treatment without biochar was 281.4 g CO2 m-2 and those for treatments with biochar were in the range from 194.1 to 224.9 g CO2 m-2. Therefore, introducing BSB into upland soil to cultivate Chinese cabbages can reduce the global warming potential.

引用

页码：693 / 702

页数：10

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