비닐멀칭 색상이 토양온도 변화와 가을배추 수량에 미치는 영향

국문 초록 (Abstract)

색상이 다른 흑색, 녹색, 투명비닐 3종의 멀칭 재료가 지온상승과 가을배추 수량에 미치는 영향을 비교 검토하였다. 비닐멀칭에 따른 지온상승은 녹색＞투명＞흑색＞ 순으로 높았으며, 녹색비닐 멀칭의 경우 비멀칭에 비해 일평균 1.98℃ 높았다. 비닐색상별 야간의 지온 차이는 없었지만 비멀칭에 비해 평균 2.4℃ 높았다. 그러나 주간에는 녹색, 흑색 및 투명 비닐멀칭은 비멀칭에 비해 각각 평균 3.9, 3.1, 및 2.1℃가 높았다. 가을배추 생산량은 비멀칭 대비 흑색비닐 멀칭구가 25.5%로 증수 효과가 가장 컸다. 반면, 지온상승효과가 가장 컸던 녹색비닐 멀칭의 경우 생산량 증가율이 6.1%로 가장 적었다. 시비질소 이용율을 분석한 결과 흑색비닐멀칭재배가 55.4%로 가장 높았다.

다국어 초록 (Multilingual Abstract)

Polyethylene mulches have been used for weed control in vegetable production in Korea. One of the additional benefits associated with polyethylene mulches is soil warming. The objective of this study was to evaluate the effects of colored mulches on soil temperature change and Chinese cabbage yield. Mulch treatments were green (GV), black (BV), transparent (TV), and non-mulched (NM) soil. The highest soil-warming effect occurred under green mulch, and the lowest effect was found under black mulch. Daily mean values of soil temperature (10 cm depth) under GV were 2℃ higher than in NM soil. At midday (16:00), mean soil temperature was higher by 3.9℃ in GV, 3.1℃ in BV, and 2.1℃ in TV as compared to NM soil. At night (20:00-06:00), there was no significant difference in soil temperature among the treatments of different colored mulch, but soils in the mulch treatments were 2.4℃ higher as compared to NM soil. As compared with NM, the yield of Chinese cabbage under GV, BV, and TV were higher by 6.0, 26.0, and 12.0%, respectively.

목차 (Table of Contents)

• 서언
• 재료 및 방법
• 결과 및 고찰
• 적요
• 인용문헌

참고문헌 (Reference)

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