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陳星桂 圓光大學校大學院 1980 學位論叢 Vol.4 No.-
This experiment was conducted to investigate the variety selection secure sowing date, proper plant density and cultural type development of sweet corn in southern pail area. Sweet corn was received highlighted for economic crop these days. It was been obtained as follows: 1. At the selection of variety, Hybrid sweet corn-137 was early maturing and short-culmed variety to compared with Golden Cross Bantam and was predomnat yield and quality by corpulent of ear length and ear-diameter also. Particulary, hybrid sweet corn showed field resistance to maize black streaked dwarf virus and maize strip disease to become a predominant fingure the point at the issue at corn cultivation area. 2. The optimum cultivating time for high yield was desirable March 25th sowing (30 days seedling) and April 25th planting, but the sweet corn is profitable early planting for macketability and farm house income. 3. The plant density of sweet corn in case of changing spacing in the row by to fix width 60cm was predominant 60×300cm.
李敦吉,羅鍾成,陳星桂 韓國作物學會 1979 한국작물학회지 Vol.24 No.4
근래 경제작물로서 각광을 받고 있는 Sweet Corn에 대한 품종 선발과 파종기 및 재식 밀도 등 재배법 개발을 목적으로 연구한 결과를 요약하면 대요 다음과 같다. 1. 품종 선발에 있어서는 기성 품종인 Golden Cross Bantam에 비해서 Hybrid Sweet Corn-137이 조숙 단간이며 수장과 수폭이 비대하여 수량 및 품질면에서 우수한 품종으로 인정되었으며 특히 옥수수 재배의 문제점으로 태두한 흑조위축병과 호엽고병에도 매우 강한 품종으로 선발되었다. 2. 조식의 효과는 일반 과실의 단경기 출하로써 소득을 향상할 수 있는데 조식할수록 흑조위축병의 이병이 높아 수량이 저조한 경향이었으나 대체로 3월 25일 전후 30일 육묘로써 4월 25 일 정식하면 수확기가 7월 5일이 되어 수량이 높으나 시장성과 소득면에서는 조식하는 것이 유리하다. 3. 재식밀도는 편의상 휴폭을 60cm로 고정하여 주간밀도를 구명한 결과 60 X 30cm가 생육 및 수량성으로 보아 적합한 밀도로써 인정되었다. This study was conducted to determine the proper time of corn marketing by cultivating time movement and cultural practice system establish. The rate of development of corn from planting to anther is a function of temperature rather than of photosynthesis. The major yield components of sweet corn for yield increase are more ear heavier grain weight, greater of kernels and heavier 100 grain weight. Early sowing has show yield decrease because yield capacity decreased with the shorting of vegetative growth and it was relatively susceptible to maize black streaked dwarf virus.
新品種 밀 "早光"의 沓裏作 播種期 및 播種量에 관한 硏究
黃鍾奎,崔京求,陳星桂 全北大學校 1979 論文集 Vol.21 No.-
This experiment was carried out under different seeding dates(October 10, Oct. 20 or November 10) and seeding rates (20, 30, 35 ℓ 10a) from 1976 to 1977 in Iri in order to study the suitable seeding date and seeding rate for Jokwang, the newly developed wheat variety, in double cropping paddy field. 1. Number of days to seedling emergence both on Oct. 20 and Oct. 30 were 14 days, but that of Nov. 10 was prolonged due to comparatively low temperature and about 37 days. 2. The heading date and the maturing date seemed to be shortened by 1 or 2 days in accordance with the earlier seeding date and the larger amount of seeding. 3. Number of panicles per square meter seeded on Oct. 20 was 506 which marked the most among the three seeding dates. 30ℓ 10a plot showed the most in panicle number among three seeding rates. 4. Number of grains per panicles was increased by 1 or 2 grains with hastened seeding date, but it was decreased by 2 or 3 grains with the increase in seeding rate. 5. The weight of 1,000 grains of the plots both seeded on Oct. 20 and Oct. 30 was about 38.0 g. and that of Nov. 10 was 35.0g. On the other hand, there were almost negligible differences in 1,000 grains weight between seeding rates at the same seeding date. 6. The yield of the plot seeded on Oct. 20 was 359 ㎏ 10a which marked the highest among the three seeding dates. Among seeding rates, 30 ℓ/10a plot showed the highest yield of 351 ㎏ 10a. However, the highest yield among all treatments, seeding dates and seeding rates, was 382 ㎏ 10a which was obtained from the plot seeded on Oct. 20 with the seeding rate of 30 ℓ/10a. 7. Therefore, it was considered that the suitable seeding date for Jokwang, the newly developed wheat variety, in double cropping paddy field in Iri area was Oct. 20 and its seeding rate was 30ℓ/10a.
窒素質肥科의 基追肥 施用時期가 이타리안라이그라스의 生育 및 靑草收量과 養分組成에 미치는 影響
崔洙日,崔亨松,陳星桂 又石大學校 1990 論文集 Vol.12 No.-
本 硏究는 冬季休閑畓을 活用한 이타리안 라이그라스의 栽培에 알맞은 窒素質肥料의 基·追肥 施用適期를 알고자 遂行하였던 바 다음과 같은 結果를 얻었다. 1. 窒素基肥施用時期가 늦어질수록 越 草長의 伸長短縮과 靑草收量을 感收시켰고 組蛋白質, 組脂肪, 組灰粉의 含量도 적어 飼料의 質을 低下시켰으며 또한 越冬期 枯死莖 被害와 越冬後의 靑草收量도 減小시켰다. 2. 窒素質肥料의 追肥施用適期 試驗에서도 追肥施用適期가 늦어질수록 生育量 및 追肥施用適期 減小와 節間을 伸長시켰으며 組蛋, 白質, 組脂肪 含量도 적었다. 3. 窒素質肥料의 基追肥 施用適期는 基肥는 播種當日, 追肥는 生育再生後 10日頃이었다. This experiment was carried out to study the effects of different application times on the nitrogen fertilizer, the fresh matter yield and feed efficiency of Italianryegrass under winter cropping on drained paddy field. Plant height, fresh matter yield and content of organic nutrient were decreased. According as the application times of top basal dressing on the nitrogen were late. In the experiment of the application times of top dressing on the nitrogen times of top wintering. Agronomic characters, fresh matter yield, crude protein, crude fat and crude were decreased. According as thd application times of top dressing on the nitrogen fertilizer were late. The optimum application time of nitrogen fertilizer was sowing date in basal dressing and was 10 days after regrowth in top dressing.