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- Title
Effect of barley straw biochar application on greenhouse gas emissions from upland soil for Chinese cabbage cultivation in short-term laboratory experiments.
- Authors
Kang, Se-Won; Seo, Dong-Cheol; Cheong, Yong-Hwa; Park, Ju-Wang; Park, Jong-Hwan; Kang, Hang-Won; Park, Ki-Do; Ok, Yong; Cho, Ju-Sik
- Abstract
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. After the addition of BSB into the upland soil, carbon dioxide (CO) emission increased while methane (CH) and nitrous oxide (NO) emissions decreased. The highest CO flux was measured for the BSB500 sample, (84.6 g m) followed by BSB300, BSB100, and BSB0 in decreasing order. Relative to those of control, the total CH flux and NO 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 CO m and those for treatments with biochar were in the range from 194.1 to 224.9 g CO m. Therefore, introducing BSB into upland soil to cultivate Chinese cabbages can reduce the global warming potential.
- Subjects
BARLEY straw; BIOCHAR; EMISSIONS (Air pollution); GREENHOUSE gases; CABBAGE growing; SOIL testing
- Publication
Journal of Mountain Science, 2016, Vol 13, Issue 4, p693
- ISSN
1672-6316
- Publication type
Article
- DOI
10.1007/s11629-014-3428-z