http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
양원하 ( Won Ha Yang ),안종웅 ( Jong Woong Ahn ),곽창길 ( Chang Kil Kwak ),한희석 ( Hee Seog Han ),이충근 ( Chung Kuen Lee ),손지영 ( Ji Young Shon ),김준환 ( Jun Whan Kim ),김연규 ( Yuon Gyu Kim ) 한국국제농업개발학회 2011 韓國國際農業開發學會誌 Vol.23 No.1
Indonesia is a home to the majority of populations. With its tropical climate, Indonesia has abundant natural resources and plants and animals biodiversity. The Agricultural sector, which accounts for 13-15% of the gross domestic product (GDP) of the country, has recently increased. Meanwhile, the number of farmers is half of the total households. Agricultural productivity has generally recorded low levels. Indonesia`s agricultural production has steadily increased since 1980. Despite the East Asian financial crisis in the late 1990s, agricultural production in 2000 recovered to the level of previous years. From 2003 to 2005, the production of cereals, bulbous plant, vegetables, sugar and meat in Indonesia were 47.24, 22.4, 14.7, 2.3, and 2.2 million tons, respectively. The supplies of cereals, bulbous plant, vegetables, sugar, and meat recorded 38.3, 12.0, 1.5, 3.6 and 2.3 million tons respectively. These records show that cereal is relatively sufficient while vegetables and bulbous plants are leading export products and sugar and milk are major imported items. Promising investment sectors in Indonesian agriculture include agro-industrial cereal farming and food processing, farm development, irrigation and water conservation technologies, agricultural science and technology and human resources development. If we consider investment in the Indonesian agricultural sector, we shall review Indonesia`s investment conditions, as well as relevant laws and practices in advance by analyzing strengths and weaknesses in the agriculture.
벼 침수토중 직파 재배 연구 I. 온도 및 파종 심도에 따른 출아 및 초기 생육
박석홍,이철원,양원하,박래경,Park, Seok-Hong,Lee, Chul-Won,Yang, Won-Ha,Park, Rae-Kyeong 한국작물학회 1986 한국작물학회지 Vol.31 No.2
The objective of this paper was to examine the response of rice seedling emergence and early growth under the different temperature (day/night, 29/21$^{\circ}C$, 17/17$^{\circ}C$, 12/12$^{\circ}C$) and the different seeding depth (1 cm, 2 cm, 3 cm). The trial was carried out in the phytotron and field in the Crop Experiment Station, Suwon, Korea in 1985. Calcium peroxide-coated seeds were very effctive in promoting seedling emergence, seedling establishment and eary growth of rice. Coated seeds were more effective in low temperature condition (17/17$^{\circ}C$, 12/12$^{\circ}C$) than in high temperature (29/21$^{\circ}C$) at the phytotron trial. The deeper the seeding depth, the less the emergence and seedling establishment, and the available seeding depth was I cm in the direct seeding under the flooded soil. In the field trial (seeding date, May 1) the results for the emergence and seedling establishment were similar to those in the phytotron trial. Available cultivars for the direct seeding cultivation under the flooded soil were Cheonmabyeo, Namyangbyeo, Kihobyeo, Akibare, Nakdongbyeo and Dongjinbyeo in Japonica type, and Taebaegbyeo, Samgangbyeo and Gayabyeo in Indica x Jponica type. Coefficients of variation to the emergence and seedling establishment between rice cultivars were very high. Therefore, in the direct seeding cultivation under the submerged paddy, choice of rice cultivars and improved technique for direct seeding will be more necessary.
김덕수(Deog Su Kim),양원하(Won Ha Yang),신진철(Jin Chul Shin),김제규(Je Kyu Kim),류점호(Jeom Ho Ryu) 한국농림기상학회 2002 한국농림기상학회지 Vol.4 No.3
In Korean high yielding varieties developed by crosses between indica and japonica rice, the most limiting factor for yield increase may be attributed to the less number of tillers per unit area. The goal of this study is to find out the effect of the environmental factors as well as cultivation practice on the development and increase of tillers of Dasanbyeo, the high yielding indica/japonica hybrid cultivar. The effect of temperature was examined with 3 different light intensity, 220, 600, and 1220 μ㏖/s/㎡, respectively. For all the experiments, the leading japonica variety in Korea, Hwaseongbyeo, was used for the check cultivar for the comparison with Dasanbyeo. The increase of the tillers was more prominent in Dasanbyeo than in Hwaseongbyeo at 220 μ㏖/s/㎡ of light intensity, while the similar increase of tiller no. was found at 600 μ㏖/s/㎡ of light intensity treatment. However, Hwaseongbyeo showed more rapid increase of tiller at 1220 μ㏖/s/㎡ of light intensity. The mean number of the primary tiller ranged 5 to 7 in Dasanbyeo, and 2 to 7 in Hwaseongbyeo, showing greater variation in the latter case. However, the secondary tiller number ranged from 2 to 13 for the former, and 2 to 12 for the latter. The earliest initiation of tiller node of Dasanbyeo and Hwaseongbyeo was observed on 6 and 4 days after transplanting(DAT), respectively, at 600 μ㏖/s/㎡ of light intensity, while 10, and 7 DAT, respectively, at 1,220 μ㏖/s/㎡. No cultivar difference was observed at 600 μ㏖/s/㎡ with the 18 DAT. The ratio of effective tiller was lower in Dasanbyeo, ranging from 47 to 55% than in Hwaseongbyeo, ranging from 72 to 100%.