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가을감자 生産性向上을 위한 綠肥作物栽培와 太陽熱 土壤消毒의 效果
송창길,박양문,강봉균,Song, Chang-Khil,Park, Yang-Mun,Kang, Bong-Kyoon 한국유기농업학회 1998 韓國有機農業學會誌 Vol.7 No.1
제주지역에서 前作物로 綠肥作物을 재배하여 破碎$\cdot$耕耘하고 폴리에칠렌 투명비닐로 1997년 8월 5일부터 8월 29일까지 太陽熱土壤消毒후 가을감자를 재배한 결과를 요약하면 다음과 같다. 멀칭기간중의 토양깊이 10cm에서 최고지원은 $42^{\circ}C$였다. 綠肥作物栽培 및 멀칭에 의해 토양의 pH 및 有機物含量은 높아졌다. 前作物로 재배한 綠肥作物의 生體收量은 sudangrass 交雜種, 콩, 알팔파 순으로 많앙Tejs 반면 멀칭 太陽熱土壤消毒후 가을감자의 地上部生體重, 塊莖收量 등의 생육형질은 콩 + 가을감자재배구가 가장 양호한 것으로 나타났다. 이상의 결과로 볼 때 여름철 고온기에 綠肥作物栽培후 비닐 피복 太陽熱消毒에 의해 작물의 생육형질이 향상될 뿐만 아니라 土壤消毒의 가능성도 있을 것으로 생각된다. This study was conducted to effect promotion of fall potato growth in the place which green manual crops had been previously cultivated, crushed and tilled and polyethylene transparent vinyl had been mulched from Aug. 5 to Aug. 29 in 1997. The maximum temperature of below-ground at the depth of 10cm was $42^{\circ}C$ during the mulching period, and the pH and the organic compound content of soil was very increased by the cultivation of green manual crops and the mulching of polyethylene transparent vinyl. The total yields of green manual crops which had been previously cultivated were as the following orders; the hybrid of sudan grass, soybean, alfalfa, otherwise, fresh weight of stems and the tuber yield of fall potato were significantly affected in the plot of soybean + fall potato after the soil solarization with the mulching. As these results, it was possible to improve crops growth and to sterilize soil by the mulching treatment of polyethylene vinyl after cultivation of green manual crops during the high temperature of the summer season.
제주지역에서 지렁이분 시비량 차이가 식용 Canna의 생육특성 및 수량에 미치는 영향
송창길 ( Song Chang-khil ),조남기 ( Cho Nam-ki ),조익환 ( Jo Ik-hwan ),강봉균 ( Kang Bong-kyoon ),고미라 ( Ko Mi-ra ),박성준 ( Park Sung-jun ) 한국유기농업학회 2004 韓國有機農業學會誌 Vol.12 No.1
본 시험은 화산회토양에서 지렁이분 시비량차이(0, 100, 200, 300, 400, 500kg/10a)에 따른 식용 Canna의 생육특성 및 수량반응을 조사하여 지렁이분 적정시비량을 구명하기 위하여 2003년 4월 24일부터 2003년 11월 24일까지 시험하였다. 초장은 무비구에서 104.9cm이었으나, 지렁이분 시비량이 증가함에 따라 초장은 점차적으로 커져서 지렁이분 400kg/10a과 500kg/10a 시비구에서 각각 131.4cm, 134.7cm로 커졌으나, 이 두 시비구간에는 통계적으로 유의한 차이가 없었다. 엽장, 엽폭, 엽수, 경직경, 분지수 및 구경수의 변화는 초장반응과 비슷한 경향이었다. 생체수량, 구근수량 및 총생체수량(지상부중+구경수량)은 무시비구에서 각각 6.6MT/ha, 6.7MT/ha, 13.4MT/ha로 감수되었으나, 지렁이분 시비량이 증가함에 따라 점차적으로 증가되어, 400kg/10a과 500kg/10a 시비구에서 생초수량은 10.8MT/ha에서 10.9MT/ha로, 구경수량은 11.8MT/ha에서 11.9MT/ha로 증가되었고, 총생체수량은 22.6MT/ha에서 22.9MT/ha로 증수되었으나, 지렁이분이 400kg/10a과 500kg/10a 시비구간에는 유의한 차이가 없었다. This study were conducted to determine the optimum warm casting rate(0, 100, 200, 300, 400, 500kg/10a) for the yield of food canna in jeju island. The plant height was ranged from 109.4 to 134.7cm as organic fertilizer of worm casting increased from 0 to 500kg/10a, but it was no significance between 400 to 500kg/ 10a. Leaf length, leaf width, number of leaves, number of tillers and bulb per plant were shown higher as the amount of worm casting was increased. Stem diameter were the same trend with plant height response. Fresh yield of food canna increased significantly 13.4 to 22.6MT/ha as fertilizer rate increased from 0 to 500kg/10a. Fresh weight of above-ground part and bulb were shown the same trend with fresh yield of food canna.
가을감자 생산성향상(生産性向上)을 위한 록비작물재배(綠肥作物栽培)와 태양열(太陽熱) 토괴소독(土壞消毒)의 효과(效果)
宋昌吉 ( Song Chang-khil ),朴良門 ( Park Yang-mun ),姜奉均 ( Kang Bong-kyoon ) 한국유기농업학회 1998 韓國有機農業學會誌 Vol.7 No.1
This study was conducted to effect promotion of fall potato growth in the place which green manual crops had been previously cultivated, crushed and tilled and polyethylene transparent vinyl had been mulched from Aug. 5 to Aug. 29 in 1997. the maximum temperature of below-ground at the depth of 10cm was 42˚C during the mulching period, and the pH and the organic compound content of soil was very increased by the cultivation of green manual crops and the mulching of polyethylene transparent vinyl. The total yields of green manual crops which had been previously cultivated were as the following orders ; the hybrid of sudan grass, soybean, alfalfa, otherwise, fresh weight of stems and the tuber yield of fall potato were significantly affected in the plot of Soybean+fall potato after the soil solarization with the mulching. As these results. it was possible to improve crops growth and to sterilize soil by the mulching treatment of polyethylene vinyl after cultivation of green manual crops during the high temperature of the summer season.
Chitosan과 목초액(木酢液) 엽면살포(葉面撒布)에 의한 감자 플러그 삽목묘(揷木苗)의 발근(發根) 및 괴경형성효솔(塊莖形成效率)
宋昌吉 ( Song Chang-khil ),姜奉均 ( Kang Bong-kyoon ) 한국유기농업학회 1999 韓國有機農業學會誌 Vol.8 No.1
To do mass multiplication of plug seedlings in potatoes, apical stem cuttings originated from virus-free microtubers were cut to one-two internodes and transplanted into the plug-tray. After 10 days, we applied Chitosan and Wood Extraction on rooting and tuber formation of plug seedlings. To improve field adaptability of plug seedlings, rooted cuttings with a height of 20 cm after 20days of cutting were transplanted into the fields. We applied 500~2000ppm Chitosan on growth characteristics and tuber formation of that. The above and underground growths, such as plant height and number of leaves were significantly more vigorous after treatment with 500~1,000ppm Chitosan and 2,000ppm Wood Extraction, the spray treatment was carried out five times at intervals of four days after ten days of transplanting. T-N,K, P,Mg and Na,were higher as the concentrations of Chitosan and Wood Extraction were higher. The growth and tuber yield in plug seedlings planting plot and seed potatoes planting plot were effectively higher as foliar application of Chitosan(500~2, 000ppm) was done after planting the plot. T-N content in leaves and tuber was higher as the concentration of Chitosan was high. A similar tendency was shown in K,P and Mg. In the small tubers(under 30g), the number of tubers and tuber yield were relatively increased in the seed potatoes planting plot, but the large tubers(over 80g) yield was higher in the plug seedlings planting plot, and in order to increase tuber yield in plug seedlings it was necessary to add plant density to the field.
심지양액재배 시 감자 소괴경의 크기에 따른 생육과 수량
김찬우(Chan-Woo Kim),송창길(Chang-Khil Song),박정식(Jung-Sik Park),문현기(Hyun-Ki Mun),강영길(Young-Kil Kang),강봉균(Bong-Kyoon Kang) 한국원예학회 2009 원예과학기술지 Vol.27 No.3
분무경산 소괴경을 심지양액재배할 때 소괴경의 크기에 따른 생산성을 알아보기 위하여 1, 3, 5, 7, 10, 15, 20, 40g의 ‘대지’ 감자 소괴경을 펄라이트+피트모스(1:2, v/v) 배지를 넣은 폴리스티렌상자(길이 51×너비 31×높이20㎝)당 각각 9개 심어 감자의 생육 및 수량을 조사하였다. 소괴경이 클수록 대체로 줄기수, 줄기의 길이와 굵기, 잎의 크기는 증가하는 경향이였다. 총괴경수는 소괴경의 크기에 따른 유의한 차이 없이 3개/주 내외이었으나 소괴경의 크기가 1g에서 40g으로 증가됨에 따라 5g이상의 괴경수는 1.9개에서 3.1개로, 평균괴경중은 19.3g에서 48.3g으로, 5g이상 괴경수량은 3.2㎏ㆍm?² 에서 9.43㎏ㆍm?²으로 증가하였다. 1g의 소괴경을 심었을 때 5g이상 소괴경의 수량이 3.2㎏ㆍm?²이었기 때문에 1g의 소괴경도 심지양액재배에서 씨감자 생산에 사용될 수 있을 것으로 판단된다. A glasshouse experiment was carried out to evaluate effects of size of mini-tubers produced through aeroponics on growth and yield of potatoes (Solanum tuberosum L. ‘Dejima’) grown in wick-based hydroponics. Nine mini-tubers weighing 1, 3, 5, 7, 10, 15, 20, and 40 g, respectively, were planted in a polystyrene box (51 cm long × 31 cm wide × 20 ㎝ high) containing 20 L of medium consisted of perlite and peatmoss (1:2, v/v). The number of stems per plant, stem length and diameter, and leaf size tended to increase with increasing mini-tuber size. The total number of tubers per plant was about 3 regardless of mini-tuber size. The number of tubers greater than 5 g increased from 1.9 to 3.1 tubers/plant, average tuber weight increased from 19.3 to 48.3 g, and yield of tubers greater than 5 g increased from 3,2 to 9,4 ㎏ㆍm?² as mini-tuber size was increased from 1 to 40 g. Considering that yield of tubers greater than 5 g was 3.2 ㎏ㆍm?² when 1 g mini-tubers were planted, even 1 g mini-tubers produced through aeroponics could be used for seed tuber production in the wick-based hydroponics.
미생물제 액비의 엽면시비에 따른 알타리 무의 생육 및 수량형질 변화
강봉균 ( Kang Bong-kyoon ),송창길 ( Song Chang-khil ) 한국유기농업학회 2003 韓國有機農業學會誌 Vol.11 No.3
This study was conducted to investigate the effect of microbial liquid manure(MLM) on the growth and yield characteristics of Altari radish (Raphanus sativus L.). MLM 1,000mgㆍL<sup>-1</sup>, MLM 2,000mgㆍL<sup>-1</sup> and MLM 1,000mgㆍL<sup>-1</sup> + microbial fermentation compost (MFC) 600㎏/10a were treated. MLM was sprayed on leaves at 10, 20, and 40 days after planting. Leaf length and width of radish in all microbial fertilizer treatments were more vigorous than that of control significantly. Number of leaves was great in order of 1,000 mgㆍL<sup>-1</sup> MLM + 600㎏/10a MFC > 2,000mgㆍL<sup>-1</sup> MLM > 1,000mgㆍL<sup>-1</sup> MLM. SPAD reading value was increased with treatments of 2,000mgㆍL<sup>-1</sup> MLM and 1,000mgㆍL<sup>-1</sup> MLM + 600㎏/10a MFC. Root length and weight of all the microbial fertilizer treatments tended to increase compared with control, and 1,000mgㆍL<sup>-1</sup> MLM + 600㎏/10a MFC treatment was the most effective.
고한종(Han Jong Ko),송창길(Chang Khil Song),조남기(Nam Ki Cho) 한국약용작물학회 2003 한국약용작물학회지 Vol.11 No.1
This experiment was conducted to investigate the propagation for mass production of Acanthopanax Koreanum NAKAI utilized for health food and medicine material. Germination rate of A. Koreanum seed were 64% when seeds were stored at 15 for 60 days and then were treated with 50 ppm of kinetin and dormancy were broken at 5 for 60 days. Rooting rates of green-wood cuttings treated with IBA 100ppm, NAA 50ppm, and IAA 100ppm were 61.7, 56.7, and 60.0%, respectively. Rooting rates of greenwood cuttings treated with Rooton in scoria + horticulture media and volcanic ash were 76.7 and 66.7%, respectively. Survival rate of seedlings planted on Aug. 10 was highest(96%) under 75% shading net while shoot growth was best under 55% shading net. Survival rate of seedlings planted on May 2 was highest(91%)55% shading net, and shoot growth was also best 55% under shading net.
김현수,이영일,강봉균,송창길,전택기,Kim Hyeon Soo,Lee Yong Il,Kang Bong Kyoon,Song Chang Khil,Jun Taek Ki 한국관개배수위원회 2005 한국관개배수논문집 Vol.12 No.1
This study was carried out to obtain basic data for the agricultural water development project in Jeju-do. In this study, Jeju-do was divided into four regions considering the precipitation and soil characteristics. Water used for irrigation of the major