Effect of Biochar Application on Rice Yield and Greenhouse Gas Emission under Different Nutrient Conditions from Paddy Soil

Se Won Kang, Ju Wang Park, Dong Cheol Seo, Yong Sik Ok, Ki Do Park, Ik Won Choi, Ju Sik Cho

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

This study was conducted to investigate the effect of biochar application on rice yield and greenhouse gases in nutrient-poor soil (NPS) and nutrient-rich soil (NRS). The treatment conditions for NPS and NRS plots were control (C), Ffertilizer (F), and sesame straw biochar + F (BC) treatments. The rice yields were higher in the order of BC(421.8 g m-2)>F>C for the NPS plot and BC(802.4 g m-2)>C>F for the NRS plot. CH4 flux with the NPS plot was similar to that of the NRS plot, whereas N2O flux in the NRS plot was greater than in the NPS plot in all tested treatments. The global warming potential in biochar application treatments was lower, with the global CH4+N2O fluxes decreased by 25.0-36.8% for the NPS plot and 16.7-39.4% for the NRS plot, compared with the corresponding other treatments. These results suggest that biochar application in NPS and NRS will enhance rice productivity and reduce CH4 and N2O fluxes.

Original languageEnglish
Article number04016046
JournalJournal of Environmental Engineering (United States)
Volume142
Issue number10
DOIs
Publication statusPublished - 2016 Oct 1
Externally publishedYes

Fingerprint

Gas emissions
Greenhouse gases
soil nutrient
Nutrients
greenhouse gas
rice
Soils
nutrient
soil
Fluxes
biochar
effect
Straw
Global warming
straw
global warming
Productivity

Keywords

  • Biochar
  • Greenhouse gases
  • Nutrient-poor soil
  • Nutrient-rich soil
  • Rice yield

ASJC Scopus subject areas

  • Environmental Engineering
  • Environmental Chemistry
  • Civil and Structural Engineering
  • Environmental Science(all)

Cite this

Effect of Biochar Application on Rice Yield and Greenhouse Gas Emission under Different Nutrient Conditions from Paddy Soil. / Kang, Se Won; Park, Ju Wang; Seo, Dong Cheol; Ok, Yong Sik; Park, Ki Do; Choi, Ik Won; Cho, Ju Sik.

In: Journal of Environmental Engineering (United States), Vol. 142, No. 10, 04016046, 01.10.2016.

Research output: Contribution to journalArticle

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