http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Yun-Gu Kang(강윤구),Nam-Ho Kim(김남호),Jun-Ho Kim(김준호),Da-Hee Ko(고다희),Gi-Bum Yi(이기범),Taek-Keun Oh(오택근) 한국토양비료학회 2021 한국토양비료학회 학술발표회 초록집 Vol.2021 No.11
Biochar can be obtained when various biomass and feedstocks are pyrolyzed under oxygen-limited conditions. Biochar enhances plant growth and sequestrates carbon semi-permanently with a stable structure in the soil. The rice husk and rice straw used as experimental ingredients are most common agricultural waste in Korea. A wood vinegar is a liquid produced by liquefied smoke generated when wood is heated at high temperature to produce charcoal. Wood vinegar improves the growth of plants and inhibits diseases and pests. The objective of this study was to evaluate the effect of biochar produced from rice husk and rice straw as well as wood vinegar on the growth of perilla (Perilla frutescens var.) and soil chemical properties. The experiment was conducted by using a wagner pot (1 5000 a<SUP>-1</SUP>) in a glass greenhouse from March 30 to May 28, 2021. The biochar was prepared by pyrolysis at 450°C for 30 minutes, and the wood vinegar was diluted to 1:500 (v v<SUP>-1</SUP>). The combination of biochar and wood vinegar produced the highest yields. Soil pH increment was only observed in the soil treated with the rice straw biochar, soil EC increased in all the treatments except for the control. The carbon content of the soil was highest in the rice husk biochar treatment. Based on the results of this study, both biochar and wood vinegar are agriculturally productive.