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강윤규,Kang, Y.K. 국립한국농수산대학교 교육개발센터 2001 현장농업연구지 = Journal of practical agricultural resear Vol.3 No.1
This study was carried out to find out basic data of the various cropping systems controlling the soil environment by analysing the historical literature, the changes of cropping system and the expected income of cropping system of the upland crop. The results were summerized as follows ; 1. According to the literature of 'Gumyangjoprok' and 'Sanlimgyungjae', published on 15 to 16 century in Korea, the cropping system of barley, soybean, red bean, and millet, etc. was done together both the 'kunkyong' and 'kanjong'. 2. Since 1970s the staple food grains had been self-sufficient and the setting up of the rice seedbed became faster. However, the cropping system of the rice after barley was rapidly fallen from 83.7% to 4.0% in 1990s. Furthermore, the food production and the rate of arable land utilization were also rapidly fallen. 3. The most prospective cropping system is considered the soybean after barley, and root & tuber crops considering with the soil environment. 4. The expecting income of cropping system ranged from 940,000won to l,970,000won per 10a but that of barley after soybean cropping for 610,000won, and that of barley-after mung bean cropping for 613,000won. 5. The maintenance and the preservation of agricultural environment shall become positive by practicing the Integrated Nutrients Management(INM), and the Integrated Pest Management(IPM) with control using of fertilizer and pesticide presenting the excessive loads to the soil environment.
강윤규,홍규현,Kang, Y.K.,Hong, K.H. 국립한국농수산대학교 교육개발센터 2008 현장농업연구지 = Journal of practical agricultural resear Vol.10 No.1
This research was conducted to suggest a policy plan for intensive major course in recurrent education system of KNAC. A survey was answered by students, graduates, field professors and (full-time) professors. The results are summarized as follows; 1. In the item of educational operation system, there were some differences in preference among 4 examinee groups. Students preferred 'semester system', graduates and field professors did 'once per week system', and professors 'cyber+centralized training system'. 2. As entering time, students and graduates preferred 'immediately after graduation'. However, field and full-time professors preferred '1 to 3 years after graduation' that became reality. 3. As board and lodging, all examinee groups wanted 'dormitory in college'. Students and graduates were open to pay educational expenses as a level of national colleges. 4. As a curriculum, the most preferred subject by all groups was 'major field technique', which was followed by 'marketing/sale' and 'farm management' in the order of preference.
박광호,강윤규,김양식,전형기,Park, K.H.,Kang, Y.K.,Kim, Y.S.,Jeon, H.K. 국립한국농수산대학교 교육개발센터 2010 현장농업연구지 = Journal of practical agricultural resear Vol.12 No.1
This research was conducted to improve a hill seeding technology under puddled wet soil condition for direct seeded rice. There were severe constrains in hill sowing method under puddled wet soil such as a bird damages, dryness of seeds sown due to strong sunlight in May and buoyancy of seeds and young seedlings after raining and irrigation particular under strong wind. Thus, we have adopted a sandy type(<2mm) silicate covering method in Bokto drill seeding technology for a hill seeding method as well. The average silicate amount in order to cover seeds sown was of 840kg/ha which was evaluated to a proper volume for those problem solution and farmer's handling during sowing operation. In this experiment there was an additional problem like a precious hill drop of rice seeds, covering of silicate over hill seeded rice and seed broken during roller operation.
마(Dioscorea alata L.)의 생육과 수량 특성에 관한 연구
박종인,강윤규,이병영,윤병성,박철호,장광진,Park, J.I.,Kang, Y.K.,Lee, B.Y.,Yoon, B.S.,Park, C.H.,Chang, K.J. 국립한국농수산대학교 교육개발센터 2002 현장농업연구지 = Journal of practical agricultural resear Vol.4 No.1
This study was carried out to determine agronomic and genetic characteristics of the production process in tropical yams(Dioscorea alata L.). To make clear the possibility of cultivation of tropical yams in the Suwon area, the growth of the aboveground parts and the enlargement of tuber of Dioscorea alata, were investigated. The aboveground parts of the plants whose sprouted mother tuber were planted in late April were grown slowly until the 70-days after planting and grown rapidly after. From about 50-days after plantation, total length of vines slowly decreased due to the burning of the branch vines of lower modes. With regard to the branching progressed to 4th for the solo yam and to 6th for purple yam. The secondary branches tended to grow better. When the formation of daughter tubers was observed at the 50-days after planting, their enlargement was very slow. The rapid growth of tubers began at the 40-days and continued to the 90-days. General components such as protein, fiber, and lipid were higher in D. opposita rather than in D. alata. Hardness of D. alata was 2696.2 while that of D. opposita was 4946.9. Lightness of D. alata was 73.99, being higher than that of D. opposita.
박광호,강윤규,오대근,김양식,장진택,Park, K.H.,Kang, Y.K.,Oh, D.G.,Kim, Y.S.,Chang, J.T. 국립한국농수산대학교 교육개발센터 2011 현장농업연구지 = Journal of practical agricultural resear Vol.13 No.1
The study was performed to evaluate rice seed germination, seedling emergence and seedling establishment under different coating materials such as iron powder, silicate powder and silicate coverage after direct seeding. There were differences among coating materials as follows; 1. In seedling establishment there was the highest in untreated control> silicate-coated seeds and silicate coverage>iron-coated seeds. In case of untreated control this result due to laboratory experiment unlike field conditions where has been constraints in bird damages, seed dry under strong sunlight and buoyance after rainy and/or irrigation. 2. Thus, there was the highest in untreated control>silicate-coated seeds>silicate coverage>iron-coated seeds, respectively. 3. Total fresh weight(shoots and roots) of the seedling was also highest in untreated control>silicate-coated seeds and silicate coverage> iron-coated seeds.
박광호,강윤규,오대근,김양식,장진택,Park, K.H.,Kang, Y.K.,Oh, D.G.,Kim, Y.S.,Chang, J.T. 국립한국농수산대학교 교육개발센터 2011 현장농업연구지 = Journal of practical agricultural resear Vol.13 No.1
최근 우리나라에서는 육묘에서 이앙작업 단축을 위하여 본답육묘(못자리)에서 하우스 육묘(육묘공장) 시스템을 전국적으로 채택하고 있으나 이앙당시 유묘의 연약한 생장으로 모내기 약 2주전 별도로 본답 또는 외기로 육묘상자를 옮겨 경화를 시키는 번거로운 문제점에 있다. 따라서 본 시험에서는 철분코팅볍씨를 이용할 경우 다음과 같은 결과를 얻어 육묘공장(못자리)에서도 본 연구결과를 활용할 경우 유용할 것으로 사료되어진다. 1. 철분코팅을 한 볍씨는 무처리에 비하여 발아, 출아, 유묘생장에 극히 정상적이었다. 2. 이앙당시 유묘의 초장 생장은 무처리에 비하여 작아 육묘상자 운반과정, 이앙작업 시 손상이 줄어 들 것으로 보였다. 3. 유묘의 엽수 뿌리 생육이 무처리에 비하여 양호하여 초기 유묘생장에 유리할 것으로 보였다. 4. 철분코팅을 한 유묘의 지상부, 지하부 생장이 무처리에 비하여 양호하여 건묘육성에 유리한 것으로 나타났다.
팬지의 일대 잡종에서 생육관련 형질의 상관관계 및 조합능력
송천영,홍규현,강윤규,이관호,김종칠,Song, C.Y.,Hong, K.H.,Kang, Y.K.,Lee, K.H.,Kim, J.C. 국립한국농수산대학교 교육개발센터 2002 현장농업연구지 = Journal of practical agricultural resear Vol.4 No.1
This study was conducted to determine correlations and combining abilities of leaf lengths, leaf widths, petiole lengths, number of branches, number of leaves, leaf areas, fresh weights, dry weights and number of flowers in F<sub>1</sub> crosses made with the partial seven-parent diallel cross in Viola tricolor. Leaf lengths and leaf widths showed highly positive correlation with petiole length and negative correlation with number of branches, number of leaves and number of flowers. There was positive correlation between the number of leaves and flowers as well as between leaf area and fresh weight. Mean squares of general combining ability(GCA) and specific combining ability(SCA) were highly significant for all the parameters. Variance component values of SCA were greater than those of GCA for all the parameters except leaf length, implying preponderance of non-additive gene actions for these characters. The lines C and G for leaf lengths and widths, the lines A and F for number of leaves, the lines A, B and G for leaf areas, and the lines B and F for number of flowers showed relatively high GCA effects. The crosses of A×B and B×D exhibited high SCA effects on increasing leaf lengths, leaf widths, number of leaves, fresh weights and number of flowers. And also the crosses of B×E and D×G exhibited high SCA effects on decreasing leaf lengths, leaf areas and fresh weights as well as increasing number of flowers. The broad sense heritabilities of most characters were high compared with the narrow sense one. Those of leaf length, leaf width, petiole length and number of leaves were high in both the broad and narrow sense heritabilities.
쓴메밀(Fagopyrum tataricum)의 지역적 적응성 및 수량성
장광진,박종인,강윤규,박철호,Chang, K.J.,Park, J.I.,Kang, Y.K.,Park, C.H. 국립한국농수산대학교 교육개발센터 2007 현장농업연구지 = Journal of practical agricultural resear Vol.9 No.1
This study was conducted to determine the regional adaptability of Fagopyrum tataricum in Korea. Suwon, Chunchon, Kangneung, Yonchon and Taean at different experiment sites had soil pH of 6.52, 5.65, 5.7, 5.89 and 5.82, respectively, being at more unfavorable conditions than a recommended soil condition for yam cultivation with pH 5.8~6.7. The amounts of organic matter in Suwon, Chunchon, Taean, and Yonchon were 1.96%, 4.51%, 3.76%, 1.89% and 1.12%, respectively, being at more favorable conditions than a recommended organic matter in soil for yam cultivation with 2.0~3.0%. As the results from cultivating of large plantings in different regions, Suwon showed grain weight in plant of 7.8g. In seed extract analysis, rutin contents were 44.9mg/100g in F. esculentum and 1475.5mg/100g in F. tataricum., respectively.