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Foliar Fertilization Effect of Environmentally-Friendly Organic Agricultural Materials for Grape Cultivation
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 Title & Authors
Foliar Fertilization Effect of Environmentally-Friendly Organic Agricultural Materials for Grape Cultivation
Moon, Young-Hun; Ahn, Byung-Koo; Cheong, Seong-Soo; Lee, Jin-Ho;
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This study was conducted to investigate foliar treatment effects of organic agricultural materials for the environmentally-friendly cultivation of grape. The organic materials applied were chitosan, wood vinegar (pyroligneous acid), amino acid solution, and ginkgo leaf extract. All the organic materials were relatively strong acidic ranging lower than pH 4.6. when comparing with other organic materials, amino acid solution contained relatively high contents of selected plant nutrients, such as N, P, K, Ca, Mg, Cu, Fe, Mn, and Zn. As comparison of selected soil properties in the grape cultivating field, soil pH values were lower at the harvest stage than at the first stage of grape growing (before treating the organic materials), and electrical conductivity (EC) and soil organic matter content were higher at the harvest stage in the all plots. The concentrations of available phosphorus increased in most of the plot soils except in control plot (conventional treatment). The concentrations of exchangeable K decreased in the plot treated with ginkgo leaf extract and the control plot. The exchangeable Mg concentrations decreased in soils of all the plots. On the other hand, the concentrations of N and K in the grape leaves were higher with the treatments of chitosan and amino acid solution, P concentrations were higher with the applications of chitosan, wood vinegar and amino acid solution, and Ca and Mg concentrations were higher with chitosan and amino acid solution treatments, respectively, than with others. The yields of grape were higher, , in the control and wood vinegar treatment plots than others. Sugar contents of grape were not different among all the plots.
Organic agricultural material;Foliar treatment;Grape productivity;Soil property;
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케라틴 아미노산 비료 시비에 따른 크리핑 벤트그래스의 생육과 품질 변화,조기웅;김영선;함선규;이재필;김두환;김우성;이긍주;

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