• Proceedings of the Korean Society for Agricultural Machinery Conference
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• 1999.07a
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• pp.65-70
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• 1999

벼 재배의 생력화를 위하여 현재 국내에는 벼 직파 재배 기술이 확대 보급되고 있다. 기존 벼 직파 재배 기술은 직파유형에 따라 차이가 있지만 발아율 및 입모율, 도복, 잡초방제, 종자손실 및 유동, 포장준비 및 재배관리에 많은 문제점들이 있어 이를 획기적으로 개선할 수 있는 방안이 절실한 실정이다. 벼 펠렛 종자를 이용한 파종은 현행 직파 재배의 여러 문제점들을 해결할 수 있을 뿐만 아니라 입모율 향상, 초기생육촉진 및 초기 병충해 방제, 시비기술의 혁신을 기할 수 있어 안정적 직파 재배 기술을 확립할 수 있을 것으로 보인다. (중략)

• Korean Journal of Soil Science and Fertilizer
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• v.29 no.4
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• pp.360-364
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• 1996

Study on germination ratio and growth of lettuce affected by accumulated salt in vinyl house cultivation soils was investigated by pot test with EC 1.65. 3.50, 5.75. 7.15. 9.50 and 13.57 dS/m. (Germination rate of lettuce in different electric conductivity of 0, 2, 4, 6, 8 and 10 dS/m controlled with KCl were 96.7, 96.7, 87.8, 82.2, 52.2, and 27.8 % respectively. Standing ratio of lettuce in soil below 6 dS/m was more than 60% and in soils of 7.15, 9.50 and 13.57 dS/m they were 45, 32 and 31%, respectively. Growth and fresh weight of lettuces increased significantly in a low EC content soil. The fresh weight of lettuces in the soil of EC 3.50 dS/m was higher than that of the soil EC 1.65 dS/m by 22%, while another soils(EC: 5.75, 7.15, 9.50 and 13.57 dS/m) were decreased 3, 15, 60 and 62%, respectively. Relationship between soil EC and standing ratio of lettuce showed high correlation coefficient($r=-0.9057^{**}$). Therefore, in the field of vinyl houses concentrated salt, standing ratio of lettuce can be foreseen by soil EC [Y = -4.313x+ 82.95 (Y:standing ratio, x:soil EC)], also standing ratio and fresh weight of lettuce showed high correlation coefficient($r=0.8396^{**}$).

• Proceedings of the Korean Society of Crop Science Conference
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• 2018.04a
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• pp.134-134
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• 2018

• Proceedings of the Korean Society of Crop Science Conference
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• 1994.06a
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• pp.118-119
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• 1994

• Proceedings of the Korean Society of Crop Science Conference
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• 2017.10a
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• pp.95-95
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• 2017

• Proceedings of the Korean Society of Crop Science Conference
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• 1995.05a
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• pp.44-45
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• 1995

• Proceedings of the Korean Society of Crop Science Conference
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• 1997.05a
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• pp.94-95
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• 1997

• Proceedings of the Korean Society of Crop Science Conference
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• 1997.10a
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• pp.106-107
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• 1997

• 한국약용작물학회:학술대회논문집
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• 2009.05a
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• pp.155-156
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• 2009

• Korean Journal of Plant Resources
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• v.18 no.1
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• pp.8-14
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• 2005

This study was carried out to investigate the possibility of double cropping of safflower(Carthamus tinctotious L.) in vinyl house for rainshield culture. Planting methods, i.e., direct seeding as the first crop and direct seeding and transplanting as the second crop, were investigated. Growth characters and establishment were better in the first crop than in the second crop. Between direct seeding and transplanting of the second crop, growth was not significantly different, but establishment was much higher in direct seeding than in transplanting. Seed yield of the second crop was lower $30\~74\%$ than that of the first crop. In planting methods of the second crop, seed yield was higher in direct seeding than in transplanting. Therefore, optimum method of the second crop for double cropping of safflower in the middle parts of Korea was estimated as direct seeding.