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연구보문 : 재배년수가 둥근마 영여자 생산성에 미치는 영향
김인재 ( In Jae Kim ),남상영 ( Sang Young Nam ),최성열 ( Seong Yel Choi ),윤철구 ( Cheol Ku Yun ),이재선 ( Jae Sun Lee ),신세균 ( Se Gyun Shin ) 한국국제농업개발학회 2011 韓國國際農業開發學會誌 Vol.23 No.3
둥근마의 영여자 착생에 관한 생산성을 구명하고자 2008년부터 2010년까지 3년간 수행한 시험 결과는 다음과 같다. 1. 1년차 재배에 비하여 2, 3년차에서 둥근마의 경엽 생육이 양호하였으며, 경엽 건물중도 각각 52%, 106% 더 높았다. 2. 둥근마 괴근 수량은 1년차에 비해 2년차에서 42%가 많았으나, 3년차에서는 차이가 없었다. 3. 둥근마의 영여자(주아) 단위면적당(m2) 수량은 1년차 157 g에 비해 2년차와 3년차에서는 580 g 및 430 g으로 각각 3.7배, 2.7배 많았다. This study was conducted to determine the change of growth pattern of Chinese Yam (Dioscorea opposita Thunb.) affected by the continuous cultivation for three years from 2008 to 2010. The results obtained are as follows. Top growth of Chinese Yam was well-developed at 2nd and 3rd years rather than 1st year as cultivated year goes by. Dry weight of leaves and stems was higher in 52% at 2nd year and 106% at 3rd year compared to 1st year, respectively. The weight of bulbil of Chinese Yam was highest at 2nd year cultivation with 500g/(3.7 times) following 3rd year with 430g/(2.7 times) and 1st year with 157g/, respectively.
연구보문 : 자연과학; 한지형마늘의 파종시기 이동이 생육 및 수량에 미치는 영향
김인재 ( In Jae Kim ),박계원 ( Gyei Won Park ),윤철구 ( Seong Yel Choi ),이재선 ( Cheol Ku Yun ),이재선 ( Jae Sun Lee ),김기현 ( Ki Hyuen Kim ),안기수 ( Ki Su Ahn ),남상영 ( Sang Young Nam ),김태중 ( Tae Jung Kim ) 한국국제농업개발학회 2013 韓國國際農業開發學會誌 Vol.25 No.3
This experiment was conducted to investigate the optimum sowing date of northern type garlic in the central-northern part of korea. The sowing was carried out four times at intervals of 10 days from October 20 to November 20. There was no difference between the emergence rate from 85.6 to 90.3% and in the growth characteristics of the leaf by sowing date. There was no difference in the growth characteristics underground bulb by sowing date. Bulb weight was 25.1 ~ 8.8 g, bulb diameter 40.1 ~ 42.1 mm, bulb height was 33.6 ~ 34.7 mm, and the number of cloves was 6.1 ~ 6.3. Secondary growth rate was as high as 47.8 to 56.7% with no difference in sowing date. Significant difference between the time of sowing was not observed in the weight and length of the spathe. The yield and marketable yield has increased as the sowing period sooner.