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      • KCI등재후보

        田作物 種子更新의 現況과 問題點

        Hong Seok Lee(李弘䄷,),Chang Hwan Cho(曺章煥),Eun Seop Lee(李殷燮),Byong Hee Hong(洪丙憙),Eun Hee Hong(洪殷憙),Keun Yong Park(朴根龍) 한국육종학회 1985 한국육종학회지 Vol.17 No.3

        For upland crops the returns from the investment in variety developmet and improvement are manifested through the increased production and superior quality of the crops grown from the new varieties. The varieties must be distributed widely, and rapidly, and sufficient seed or vegetatively propagated materials must be produced so that the varieties can be grown on the farms in the area in which it is adapted. The benefits from the improved varieties can be realized through growing the certified seed with sufficient genetic identity, purity and plumpness. Of the upland crops including wheat and barley, soybeans and other legumes, minor cereals and root and tuber crops, currently important crops were evaluated for the current situation and problems of seed renewing systems, and for the status of the crop production and demand and supply to find out practical problems in seed production. Solutions to the problems have generally been found from the investigation and long experience. For increased production and grain quality improvement of malting barley and rye, seed renewing programs should be strengthened in the near future. Certified seed supply and shortening of good quality seed renewing-year interval must be made through improvement of varietal and regional seed renewing systems. Particularly, for emergent need of wheat seed, foundation seed storing system must be established. In, soybeans six-year interval renewing system would be desirable in practice and should be fully practiced. Soybean seed production has been conducted by the Farmer’s Corporation Agency in accordance with increased soybean production assistance plan. However, certified seed production system and good quality seed production techniques must be applied desirably. Government-leading purchase price for the soybeans produced by farmers must be increased for farmers’ willingness to produce more soybeans. For corn sufficient amount of certified seed must be produced because a quantity of corn seed has been imported to meet the demand. In 1990, estimated amount of corn seed 1,500 to 2,000 M/T would be needed for silage and grain corn production. Past experience of suplus corn seed suggests that low temperature seed storage facility is to be facilitated for safe storage of high quality of corn seed.

      • KCI등재

        질소의 추비기 및 추비방법이 소맥의 수량 및 수량요인에 미치는 영향

        조재영,이동우,조장환,홍병희,Jae-Young Cho,Dong-Woo Lee,Chang-Hwan Cho,Byong-Hee Hong 한국작물학회 1969 한국작물학회지 Vol.- No.7

        다수확 비료체계의 확립을 위하여 추비기 및 추비바업이 소맥의 수량요인에 미치는 영향에 관하여 시험한 결과를 요약하면 다음과 같다. 1. 배비구는 보비구에 비하여 수수 1수립수 및 수량이 높았으나 통계적 유의차는 보이지 않았다. 이는 저온 건조한 기상조건으로 말미암아 비료의 흡수 소화가 원활하지 못하였기 때문일 것이다. 2. 질소추비량의 1/3을 출수기에 토양시비 한 것은 6~7% 감소되었다. 3. 질소추비량의 1/3을 출수기에 요소엽면산포한 것은 4~6% 증수하였으며 1수립수와 천립중이 증대되었다. 4. 추비시기는 3월중하순이 가장 증수되었다. 유효경비율과 수중이 훨씬 크고 간장, 수장, 수수, 1수립수 및 천립중도 약간 컸다. A study has been made on the time of nitrogen top-dressing and the method of top-dressing to establish the higher yielding cultural method for wheat at Suwon. In this experiment, it was observed that the application of nitrogen top-dressing with urea leaf spray as spike fertilizer increased the yield by 4~6 percent over nitrogen top-dressing of equal quantity only. Considering the yield and various factors concerned, it is reasonable to apply top-dressing on mid and late of March in Suwon area.

      • 전작물 (田作物) 종자갱신의 현황과 문제점

        이홍석,홍은희,이은섭,조창환,박근용,홍병희 한국콩연구회 1985 韓國콩硏究會誌 Vol.2 No.2

        生産性이 높고 健全한 優良種子의 育成普及은 農業生産의 基本이며, 이를 위하여 莫大한 人力과 豫算을 投與하여 新品種 育成에 努力하고 있으나, 育種家에 依해서 育成된 新品種이 農家에서 재배되어 그 品種 고유의 우수성을 發揮하는 데 까지는 經濟·社會的 내지는 種子更新體系上 關聯되는 많은 要因이 있겠다. 田作物에는 麥類·豆類·雜穀 諸類 等 많은 作物이 包含돼 있으나 現實的으로 重要度가 높은 作物들을 대상으로 재배 생산需給現況과 種子生産·供給狀況을 檢討하고 種子更新의 意義와 效果·種子의 混種·混化·種子供給 體系의 國內外 比較 等 主要 田作物의 種子更新 現況과 問題點을 끌어내고 보다 效果的인 種子 普及 事業을 위한 改善 方向을 提示하였는바 作物別 主要 骨字를 要約하면 다음과 같다. For upland crops the returns from the investment in variety development and improvement are manifested through the increased production and superior quality of the crops grown from the new varieties. The varieties must be distributed widely, and rapidly, and sufficient seed or vegetatively propagated materials must be produced so that the varieties can be grown on the farms in the area in which it is adapted. The benefits from the improved varieties can be realized through growing the certified seed with sufficient genetic identity, purity and plumpness. Of the upland crops including wheat and barley, soybeans and other legumes, minor cereals and root and tuber crops, currently important crops were evaluated for the current situation and problems of seed renewing systems, and for the status of the crop production and demand and supply to find out practical problems in seed production. Solutions to the problems have generally been found from the investigation and long experience. For increased production and grain quality improvement of malting barley and rye, seed renewing programs should be strengthened in the near future. Certified seed supply and shortening of good quality seed renewingyear interval must be made through improvement of varietal and regional seed renewing systems. Particularly, for emergent need of wheat seed, foundation seed storing system must be established. In soybeans six-year interval renewing system would be desirable in practice and should be fully practiced. Soybean seed production has been conducted by the Farmer's Corporation Agency in accordance with increased soybean production assistance plan. However, certified seed production system and good quality seed production techniques must be applied desirably. Government-leading purchase price for the soybeans produced by farmers must be increased for farmers' willingness to produce more soybeans. For corn sufficient amount of certified seed must be produced because a quantity of corn seed has been imported to meet the demand. In 1990, estimated amount of corn seed 1,500 to 2,000 M/T would be needed for silage and grain corn production. Past experience of suplus corn seed suggests that low temperature seed storage facility is to be facilitated for safe storage of high quality of corn seed.

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