보문 : 포도재배를 위한 친환경 유기농자재의 엽면시비 효과
분야
농학 > 농화학
저자
문영훈 ( Young Hun Moon ) , 안병구 ( Byung Koo Ahn ) , 정성수 ( Seong Soo Cheong ) , 이진호 ( Jin Ho Lee )
발행기관
한국토양비료학회
간행물정보
한국토양비료학회지 2012년, 제45권 제5호, 760~763쪽(총4쪽)
파일형식
09407603.pdf [무료 PDF 뷰어 다운로드]
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    영문초록
    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, 1,581~1,583 kg 10a-1, in the control and wood vinegar treatment plots than others. Sugar contents of grape were not different among all the plots.
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