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Effect of Chitosan and Wood Vinegar on the Growth and Nutrient Absorption of Red Pepper (Capsicum annum L.)  

엄미정 (전북농업기술원)
박현철 (전북농업기술원)
문영훈 (전북농업기술원)
김갑철 (전북농업기술원)
한수곤 (전북농업기술원)
Publication Information
Journal of Bio-Environment Control / v.11, no.2, 2002 , pp. 67-73 More about this Journal
Abstract
This study was conducted to investigate the effect of organic agricultural materials, chitosan and wood vinegar, on the growth and yield of red pepper and soil microflora. In the chitosan treatments, the density of actinomycetes in soils increased, while the density of fungi decreased. Compared with the conventional cultivation, the stem diameter of red pepper was greater in the chitosan or wood vinegar experimental plots at 50 days after transplanting, though there was no difference in chlorophyll content among treatments. The incidence of disease and insect was higher in the treatments of organic agricultural materials than the conventional cultivation, regardless of application frequency. Contents of cations such as Ca and K in leaves and fruits increased by chitosan treatment. In all experimental plots, fruit yield decreased because of diseases and insects. But in chitosan treatment plot with 10 times of application, characteristics of fruits were superior to others and the yield index of red pepper was the highest as 92.4% as compared to the conventional cultivation.
Keywords
Actinomycetes; Cation; Organic agricultural materials;
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