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녹비작물-양배추 작부체계에서 양배추 수량증대 효과 및 경영성과 분석
박승용(Sung-yong Park),황광남(kwang-Nam Hwang),조현숙(Hyeoun-Suk Cho),안종웅(Jong-Woong Ahn),이용환(Yong-Hwan Lee),박정화(Jeong Hwa Park),박평식(Pyung-Sik Park),임영택(Young-Taek Lim),한희석(Hee-Suk Han),이동철(Dong-Chul Lee),유홍섭( 충남대학교 농업과학연구소 2011 농업과학연구 Vol.38 No.4
This study was carried out to analyze the effect of the farm management and productivity increase of cabbages growing in the plastic house based on application of green manure crops such as silage corn, haussolgo (Sorghum bicolar L. Moench), hairy vetch, etc. According to the effect of green manure crop grown in summer season, the biomass amount of the silage corn was the highest; 7,630 kg per 10a, the next was haussolgo, 5,620 kg per 10a. In terms of the fertilizer ingredients, the first of forage soybean was 3.84% of nitrogen, whereas hairy vetch was 1.74% of phosphate and kalium, 4.74%. Productivity increase of cabbages was the highest in the haussolgo plot of which the yield of showed 10,090 kg per 10a and the farm household income would be worth 8,053 thousand won. By growing forage crops in the winter season, the biomass amount was the highest in the mixed sowing plot with rye (50%) and hairy vetch (50%) of 3,590 kg per 10a, whereas the productivity in the mixed seeding with rye (70%) and hairy vetch (30%) was highest, 6,249 kg per 10a and the farm household income would be worth 7,387 thousand won. Judging from these results, more practical on-farm research on applying different green manure crops as a basal fertilizer with cabbage in the plastic house should be considered to analyze the farm management and the farm household income at different sites.
녹비작물-양배추 작부체계에서 양배추 수량증대 효과 및 경영성과 분석
박승용(Sung-yong Park),황광남(kwang-Nam Hwang),조현숙(Hyeoun-Suk Cho),안종웅(Jong-Woong Ahn),이용환(Yong-Hwan Lee),박정화(Jeong Hwa Park),박평식(Pyung-Sik Park),임영택(Young-Taek Lim),한희석(Hee-Suk Han),이동철(Dong-Chul Lee),유홍섭( 충남대학교 농업과학연구소 2011 Korean Journal of Agricultural Science Vol.38 No.4
This study was carried out to analyze the effect of the farm management and productivity increase of cabbages growing in the plastic house based on application of green manure crops such as silage corn, haussolgo (Sorghum bicolar L. Moench), hairy vetch, etc. According to the effect of green manure crop grown in summer season, the biomass amount of the silage corn was the highest; 7,630 kg per 10a, the next was haussolgo, 5,620 kg per 10a. In terms of the fertilizer ingredients, the first of forage soybean was 3.84% of nitrogen, whereas hairy vetch was 1.74% of phosphate and kalium, 4.74%. Productivity increase of cabbages was the highest in the haussolgo plot of which the yield of showed 10,090 kg per 10a and the farm household income would be worth 8,053 thousand won. By growing forage crops in the winter season, the biomass amount was the highest in the mixed sowing plot with rye (50%) and hairy vetch (50%) of 3,590 kg per 10a, whereas the productivity in the mixed seeding with rye (70%) and hairy vetch (30%) was highest, 6,249 kg per 10a and the farm household income would be worth 7,387 thousand won. Judging from these results, more practical on-farm research on applying different green manure crops as a basal fertilizer with cabbage in the plastic house should be considered to analyze the farm management and the farm household income at different sites.
퇴비(堆肥) 시용(施用)이 미질특성(米質特性)에 미치는 영향(影響)
李龍煥 ( Lee Yong-hwan ),蘇奎鎬 ( So Kyu-ho ),黃光男 ( Hwang Kwang-nam ),胡敎純 ( Ho Qyo-soon ) 한국유기농업학회 1997 韓國有機農業學會誌 Vol.6 No.1
For the environmental protection, it is more desirable to use compost rather than chemical fertilizer. So in this paper, the effects of compost upon the rice qualiity were investigated with Hwajin Rice as the test variety. The rice quality and physicochemical characteristics were examined and the results are as follows. As to the rice quality, the rate of polished rice was high in the non-fertilizer and the compost plot, the degree of transparency was high in the order of the traditional, the compost+urea, the compost and the non-fertilizer plot. The amylose content (one of the physicochemical characteristies of the rice),the rate of Mg/K, and the adhesivity and the cohesion power (charateristies of texturogram which show the density of boiled rice) were also high in the compost polt. Among the amylogram characteristics, the gelatinization temperature was lowest in the compost plot ; the lowest and the highest degree of viscosity and the break down were also inclined to be higher in the compost plot than in the traditional plot. After the soil test, the components of available phosphorus, organic matters, calcium, magnesium, potassinm and silicate increased in the soil as compared with those before test.