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NTIS 바로가기유기물자원화 = Journal of the Korea Organic Resources Recycling Association, v.25 no.1, 2017년, pp.67 - 78
김민정 (농촌진흥청 국립농업과학원 유기농업과) , 심창기 (농촌진흥청 국립농업과학원 유기농업과) , 김용기 (농촌진흥청 국립농업과학원 유기농업과) , 박종호 (농촌진흥청 국립농업과학원 유기농업과) , 한은정 (농촌진흥청 국립농업과학원 유기농업과) , 고병구 (농촌진흥청 국립농업과학원 유기농업과)
The purpose of this study was to investigate the effect of humic acid on the germination, the growth and the yield of hot pepper when treated with organic hot pepper seedlings and growing season. The germination rate of 0.05% and 0.1% humic acid was higher than that of untreated, but the germination...
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핵심어 | 질문 | 논문에서 추출한 답변 |
---|---|---|
휴믹물질의 작용기는 무엇인가? | 토양과 지하수에서 발견되는 대표적인 용존 유기물(dissolved organic mater)인 휴믹물질(humic substances)은 동물과 식물의 구성요소들의 분해과정에서 미생물의 작용으로 생성되는 고분자물질이다.3) 휴믹물질은 주로 카르복실기(-COOH)와 수산화기(-OH) 등의 산성 작용기를 가진 다전해질성(polyelectrolyte) 물질로서, 일반적으로 산도(acidity)는 2~10 meq g-1를 가진다.3) 휴믹물질은 다양한 천연 유기물들의 불균질 혼합체로서 수용액 상태에서의 pH에 따른 용해도 차이에 의해 휴믹산(humic acid), 풀빅산(fulvic acid) 및 휴민(humin) 등으로 구분된다. | |
휴믹산 희석농도별 처리 시, 고추 유모 생육에 미치는 영향은? | 휴믹산 처리 고추 유묘 정식 30일 후 고추 유묘 생육에 미치는 영향을 조사하였더니, 저농도(0.05%)이거나 고농도(1.0%)에서는 무처리에 비해 생육이 감소되었으나 0.2% 휴믹산 처리구는 유의적으로 고추의 평균 초장(97.6 cm), 엽수(84.7개) 및 생체중(128.1 g/plant)이 증가하였다. 휴믹산을 처리한 고추의 초장과 풋고추의 두께와 과중이 무처리에 비해 유의적으로 높은 것으로 나타났다. | |
휴믹물질은 무엇으로 구분되는가? | 3) 휴믹물질은 주로 카르복실기(-COOH)와 수산화기(-OH) 등의 산성 작용기를 가진 다전해질성(polyelectrolyte) 물질로서, 일반적으로 산도(acidity)는 2~10 meq g-1를 가진다.3) 휴믹물질은 다양한 천연 유기물들의 불균질 혼합체로서 수용액 상태에서의 pH에 따른 용해도 차이에 의해 휴믹산(humic acid), 풀빅산(fulvic acid) 및 휴민(humin) 등으로 구분된다. 3) 휴믹물질의 특성은 토양이 형성된 지역의 식생, 기후, 지질 특성이나 토양층의 깊이 등에 따라 매우 다양한 조성과 물리·화학적 특성을 지닌다. |
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