감자후작 벼에 대한 감자경엽 및 비료 사용 방법 개선에 관한 연구

姜良淳,梁義錫,朴啓淵,鄭鍊泰 韓國作物學會 1983 Korean journal of crop science Vol.28 No.1

감자 재배단지에 있어서 후작 벼에 대한 감자경엽시용방법 및 적정질소 시용량을 구명코자 경엽시용방법 3수준과 질소시용량을 4수준으로 처리하였던 바 1. 감자경엽을 토양중에 시용함으로써 Ammonia태 질소 방출량은 많았으나 토양의 환원이 심하여 수도의 초기생육은 무경엽구에 비하여 억제되었고 그 정도는 신군경엽구 > 반건경엽구 > 부숙경엽구 순으로 컸으며 질소시용량이 많을수록 더욱 현저하였다. 2. 감자경엽 시용으로 벼 식물체 경엽중의 질소와 가리함량은 무경엽구에 비하여 생육초기에는 낮았으나 후기에는 높았고 인산은 그 반대이었으며 규산은 전생육시기를 통하여 높았다. 3. 반건경엽구 및 부숙경엽구는 신군경엽구에 비해서 전생육기를 통하여 규산함량이 높았고 낮은 질소수준(N 5㎏)에서는 출수기까지 질소함량이 낮았으며 규질비는 높았으나 질소 10㎏ 이상에서는 그 차이가 경미하였다. 4. 감자경엽은 반건하거나 부숙시켜 시용함으로써 수도의 등숙비율 및 천립중이 증가되어 3-5%의 증수를 보였다. 5. 감자경엽 시용시 질소시비 적량은 구할 수 없었으나 수도안전재배상 10a당 7㎏ 수준이 적당할 것으로 보였다. 6. 감자후작벼 재배답에서는 토양중 유효인산함량은 과다했으나 가리나 규산함량은 부족되었다. 7. 수확기 경엽중 가리함량과 수량과는 정의 유의상관을 보였다. The study was carried out to find out the reasonable fertilization method for rice in the area of Irish potato cultivated paddy where has various nutritional disorders and pest problems. The treatment consisted of three different application methods of potato sterns and leaves with 4 levels of nitrogen application in each method. The application of potato sterns and leaves caused more release of NH4 -N in the soils but the growth of rice were slightly hindered by the strongly reduced soil conditions when the nitrogen had been applied more than 10kg/10a. The application of half-dried or semi-decomposed stems and leaves of potatoes were caused to increase ripening ratio and 1,000 grain weight of rice with a relatively high SiO2 /N ratio in the rice plant, so the yield of rice increased 3-5% than the plot without potato sterns and leaves. The potash and silicate fertilizer would seem to be effective in the area of Irish potato cultivating paddy field since the contents of extractable potassium and soluble silicate in the soils is lacked. The suitable amount of nitrogen on rice cropping seems to be about 7kg/10a.

2.4-Dichlorophenoxyacetic Acid 處理가 딸기의 生長反應 및 果實品質 向上에 미치는 影響

姜良淳,梁義錫,鄭鍊泰 한국작물학회 1987 한국작물학회지 Vol.32 No.3

1980 冷害條件下 嶺南地域의 水稻稔實障害와 珪酸 및 燐酸 吸收關係

姜良淳,鄭錬,泰,朴來敬 한국작물학회 1981 한국작물학회지 Vol.26 No.3

규소가 벼의 엽신 기공 크기와 밀도에 미치는 영향

姜良淳 한국작물학회 1991 Korean journal of crop science Vol.36 No.1

벼의 기공 분포 밀도에 미치는 규소의 영향을 구명코자 동계 온냉조절온실에서 규소 농도를 달리하여 수경재배한 벼 제 7 엽기의 엽신 부위별 기공수 및 기공세포 크기를 관찰한 결과 규소 농도 증가로 밀양2003 엽신중 기공수가 줄어들고 엽의 전 표면적에 대한 기공수 기공세포 크기로 나타낸 기공세포의 분포 밀도가 낮게 되어 양면 표피의 cuticle-silica 2중층의 존재 이외에도 수분경제면에서 유리한 특성을 갖게 될 것으로 간주되었다. Stomatal frequency and size of rice plant grown in the different silicon levels of the culture solution in phytotron were observed on both side of the 7th leaf blade. By the application of silicate, stomatal frequency and rates of stoma cell area to the leaf area were remarkably reduced in Milyang 23. It could be considered as favorable characteristics which might be reduced the transpira-tion rate from leaf surface of rice plant besides presence of cuticle-silica double layer in leaf surface.

水稻 冠水處理에 의한 生理的 特性의 品種間 差異

姜良淳,梁義錫,鄭鍊泰,鄭根植 한국작물학회 1988 한국작물학회지 Vol.33 No.2

벼논오리 방사가 쌀 수량 및 품질에 미치는 영향

姜良淳,金靜逸,朴政和 韓國作物學會 1995 Korean journal of crop science Vol.40 No.4

오리방사에 의한 화학제 기능대체 효과와 유기미의 수량 및 품질을 검토코자 사양질답에 관행 시비량의 70%를 감비하고 일품벼를 중묘 이앙하여 이앙 3주후에 3주령오리를 10a당 30마리 밀도로 방사하고 무농약으로 재배하여 시험한 결과는 다음과 같다. 1. 오리 3년차 방사논의 방사 직전 잡초 발생수는 무방사구보다 거의 반으로 줄어들었으나 피의 발생은 오히려 현저히 증가되었고 최고분얼기 잡초방제가는 관행 88%보다 92%로 높았으나 그 이후에 피의 방제는 효과가 적었다. 2. 오리 방사는 벼물바구미와 멸구류, 기타 곤충등과 소동물을 거의 포식하였으나 수잉기에 발생된 혹명나방피해는 방제하지 못하였다. 3. 오리 방사구는 관행구보다 표면수가 항상 현탁되어 있고 표층토의 산화환원전위차가 높아 유수형성기의 엽색이 관행 38.6보다 41.8로서 더 짙은 녹색을 유지하였으며 등숙기 까지 높은 근활력을 유지하였다. 4. 오리 방사구에서는 유기미 쌀수량이 648kg /10로서 관행구보다 3% 증수되었고 생산된 유기미는 '94년 고온년의 특이성으로 청미비율이 높아 관능검사에 의한 식미는 약간 나쁜 경미한 차이를 보였다. Concerns on use of excess amount of chemical fertilizier and pesticide in current farming system turns both of the producer and consumer of agricultural products to an organic farming which use a less chemicals and more natural manure. Rice-duck farming system is one of the strategy to meet the purpose and this experiment was carried out to find the effect of the rice-duck farming system on the quality and yields of rice. 20day-old rice seedling were mechanically transplanted in sandy-loam paddy field and 21 day-old ducks were raised from 3 weeks after transplanting with population of 30 heads per 10a. The plots were consists of reduce fertilizer(70%) with and without duck-raising. The conventional fertilizer treatment without duck-raising was used as check. The results obtained are summarized as follows. The weeds population of test plots which were raised with duck for 3 consecutive years was less than that of test plots without duck-raising, though a speciffic population of Echinochola crusgallis were increased. The weed control effect was higer in duck-raising than in check at the maximum tillering stage but, not at later stages of rice plant. It was found that the small animals and insects inhibiting in the rice field were reduced by duck-treatment, however, there were also damages of grass leaf roller at booting stage in the plots of duck-raising. In rice-duck plot, dark green leaf color were found: 41.8 of SPAD value than 38.6 of SPAD in check plot. Higher root activity and surface soil oxidation were also observed in rice-duck plot than check plot. 3% of the increase in yield was observed by duck-treatment. However, the expected increase of the palatability wsa not observed. This may be due to the unfavorable weather conditions during the rice growing in this expriment.

관수 탁도가 벼 광합성능에 미치는 영향

姜良淳,鄭根植,孫洋,金在鐵 韓國作物學會 1988 Korean journal of crop science Vol.33 No.4

This study was carried out to know the influence of turbidity of submerged water on photosynthetic rate of rice plant after water submerging treatment. Rice plants were transplanted in the pot at maximum tillering stage and they were sumberged for 3days at meiotic stage, 20days after transplanting, in the plastic container which had the clear and turbid water temperature adjusted around 24 to 25~circC . Photosynthetic rate at 6 hours recovery after submergence was 41.5 to 54.2% compared to the control, but in the case of cultivar 'Nagdongbyeo', it was rapidly increased by 97.3 to 104.6% in the clear water and by 68.6 to 77.5% in the turbid water at 2 to 4 days recovery after submergence. Photosynthetic rates per plants at 6 hours to 4 days recovery after submergence were 128.3 to 245.5 C2 mg.hr.-1 , in 'Samgamgbyeo' and 71.1 to 162.4 CO2 , mg·hr.-1 in 'Nagdongbyeo' Photosynthetic rate to respiration ratio of rice plant recovery after submergence was lower compared to control plant and it was lower in 'Nagdongbyeo' than that in 'Samgangbyeo'.ngbyeo' than that in 'Samgangbyeo'.gangbyeo'.pos;.

감자後作 벼에 대한 감자茎葉 및 肥料 施用 方法 改善에 관한 研究

姜良淳,梁義錫,朴啓淵,鄭鍊泰 한국작물학회 1983 한국작물학회지 Vol.28 No.1

1980 냉해조건하 영남지방의 수도임실장해와 규산 및 인산 흡수관계

姜良淳,鄭練泰,朴來敬 韓國作物學會 1981 한국작물학회지 Vol.26 No.3

냉온하(7~9월)에서 생육한 수도에 대한 재배수건별(표고별, 품종별) 냉해와 도체경엽중 유효규산 및 인산함량과의 관계를 밝히고져 경남북 일도에 걸처 냉해실태를 조사하여 분석해 본 결과는 다음과 같다. 1. 임실비율은 표고가 높아질수록 떨어졌으며 통일계품종에서 더욱 현저하였다. 2. 임실비율 증가에 따라 토양중 SiO2/P2 O5 함량비는 낮아졌고 도체경엽중에서는 높아졌다. 3. 규산이 인산함량에 비하여 도체의 경엽중에서는 10.5~20.5배 정도 토양중에는 0.28~0.78배로 함유되어 있었다. 4. 임실비율과 도체경엽중 SiO2/P2 O5 함량비와는 정의 유의상관이 인정되었다. 5. 식물체중 규산함량 증가에 따른 임실비율 증가는 일반계품종보다 통일계정종에서 현저하였다. To clarify the relationship between rice cool injury and the contents of silica and phosphorus in the soils and the rice plant, the investigation was carried out at ripening stage of rice from the different altitudes with different varieties throughout Yeongnam area. The rate of fertilized spikelets were decreased with elevation increase and the situation was distincted in the Japonica cross Indica hybrid varieties. The higher rates of SiO2/P2 O5 content in the leaves and stems or lower rates of that in the soils show the higher fertilization rates. The result seems to be caused by the different solubility and uptakes of silica and by the different availability and transformation of phosphorus. A positive correlation was observed between the content of silica in rice plant and the fertilization rates. The fertilization rate in Japonica varieties was higher than that of Indica cross Japonica hybrid varieties in the case of the same content of silica in plant as far as observed, but the increasing rate of fertilized grains due to increase of silica content was prominented in the hybrid varieties which probably demand more silica. Within the certain limit of silica and phosphorus content in rice plant, the more uptaking of silica might lessen the cool injury.

珪素가 벼의 葉身 氣孔 크기와 密度에 미치는 影響

姜良淳 한국작물학회 1991 한국작물학회지 Vol.36 No.1