Uonuma region in Niigata Prefecture is the place that produces the highest quality rice Koshihikari in Japan. The following is a summary of weather information and Koshihikari cultivation status in the region. The average annual rainfall of Uonuma is varied from 1,400 in high altitude to 2,500mm in lowland. The average annual temperature is around to 10.0 ~ 12.0oC, which is slightly higher than of Cheorwon and Unbong in South Korea. The water resource is affluent because of heavy snowfall. Higher sunshine hour in August has a good effect on grain ripening in Uonuma. In Korea, however, sunshine hour at Cheolwon and Unbong in early maturing cultivar growing area is prone to long in September after than in August. Breeding program for introducing rice blast resistance to Koshihikari started in 1986 in Niigata Prefecture. Finally, Koshihikari BL(introduced blast resistance) varieties have developed no differences of Koshihikari in agronomic traits, qualities, and taste, etc. and have been cultivated since 2005 in farmers’ field. Paddy soil fertility is managed by incorporating rice straw and manure, and nitrogen fertilizer is applied at rate of 3 ~ 5 kg/10 a. Transplanting date is May 15 to May 20, and transplanting density is 60 ~ 70 hills per 3.3m2. Midsummer drainage is applied when the tiller number reached to 280 until 360 per 3.3m2. Optimal accumulated temperature from heading to harvest is 950 ~ 1000oC. Target yield of brown rice is 510 kg/10 a.

본 연구는 도로건설이 송이생산지에 미치는 영향을 최소화하기 위해 강원도 양양군내 신설 예정인 고속도로 건설지 주변의 송이생산 소나무군락의 식생구조를 분석하여 보전 및 복원의 기초자료로 활용하고자 하였다. 고속도로 건설예정지의 영향권과 송이생산량을 고려하여 도로 주변에 총 20개 조사구를 설정하여 Classification기법중의 하나인 TWINSPAN을 이용하여 군락을 분리한 결과, 소나무군락(군락 I, II), 소나무-굴참나무군락(군락 III), 소나무-낙엽활엽수군락(군락 IV)의 4개 군락으로 최종 분리되었다. 군락별 종다양도는 1.7353±0.0341~1.9079±0.2471의 범위이었으며 종수는 평균 9.2±2.8, 교목층 출현 평균개체수는 9.6±5.0개체이었다. 식생밀도는 100m2당 4~29주(평균 9.55주), 평균상대공간지수는 35%이하이었으며 평균수령은 38±8.34년생이었으며 토양은 A0층의 깊이가 4~6cm, 토양산도는 4.70~5.63(평균 5.29) 송이 생육에 적정한 수준이었다. 송이는 소나무와 공생의 관계로 소나무군락의 식생구조와 매우 밀접한 관계를 가지고 있으므로 생태적 관리방안으로 적정밀도 조절, 아교목층과 관목층의 밀도조절, 교목층 낙엽활엽수의 제거 등을 제안하였다. 향후 도로건설시 송이생산지역내 관통도로를 최소화하고 송이생산지내 및 인근지역을 관통할 경우 숲내부 천이 및 식생구조 변화가 발생하지 않도록 생태적 관리 및 복원조치가 필요할 것이다.

경상북도(慶尙北道) 지역(地域)을 중심(中心)으로 송이버섯 발생지(發生地)의 추이(推移)를 파악할 수 있는 자료를 수립(樹立)하기 위하여 송이버섯 생산지(生産地)의 분포도(分布圖)(Fig 1)과 그 위도적(緯度的) 분포(分布)(Table 1)를 작성(作成)하였다. 경상북도(慶尙北道) 동북(東北)쪽에 위치(位置)하고 있는 울진군(蔚珍郡), 영덕군(盈德郡), 영양군(英陽郡), 봉화군(奉化郡)에 비교적 균일한 분포(分布)를 나타내었고, 문경군(聞慶郡), 상주군(尙州郡), 예천군(醴泉郡), 영풍군, 의성군(義城郡), 달성군(達城郡), 경산군(慶山郡), 청도군(淸道郡)에는 일부지역에서 발생(發生)하고 있었으며, 금릉군(金陵郡), 성주군(星州郡), 칠곡군(漆谷郡), 월성군(月城郡), 선산군(善山郡), 경산군(慶山郡) 지역(地域)에서는 거의 발생(發生)하지 않고 있음을 알 수 있었다. 전체적(全體的)인 송이버섯 발생(發生)의 경향은 소나무 임지(林地)의 분포(分布)나 임분(林分)의 건전도(健全度)에 밀접한 영향을 띠고 있었으며, 송이버섯 발생지(發生地)의 면적(面積)을 각군별(各郡別)로 그 수를 헤아려 보면(Table 1) 울진군(蔚珍郡) 117개소(個所), 영덕군(盈德郡) 70개소(個所), 영양군(英陽郡) 54개소(個所), 문경군(聞慶郡) 38개소(個所), 청송군(淸松郡) 37개소(個所), 안동군(安東郡) 35개소(個所), 상주군(尙州郡) 32개소(個所), 봉화군(奉化郡) 26개소(個所), 영풍군 22개소(個所), 영일군(迎日郡) 17개소(個所), 영천군(永川郡) 15개소(個所), 의성군(義城郡) 15개소(個所), 경산군(慶山郡) 10개소(個所), 군위군(軍威郡) 9개소(個所), 청도군(淸道郡) 6개소(個所), 예천군(醴泉郡) 5개소(個所), 선산군(善山郡) 4개소(個所), 달성군(達成郡) 3개소(個所), 칠곡군(漆谷郡) 2개소(個所) 월성군(月城郡)의 경우 1개 개소에서 송이버섯 발생(發生)하고 있었으며 전혀 발생(發生)하지 않는 지역(地域)도 있었다.

The purpose of this study is to identify the effectiveness of satellite images in detecting the areas of rice production in the Barisal of Bangladesh. We also investigated the effect of climate change on the crop production through comparative analysis of rice production area and production statistics with climate data at multi-temporal time scale. This analysis found that the classification of rice fields extracted through satellite image and made as the number of rice cultivation areas did not exceed 10 percent of the statistical data. Climate data analysis showed that the average temperature during the ripening stage has the greatest impact on Boro’s production. It would be more make sense if you can describe the results of how precipitation is also important for rice production in addition to temperature. Therefore, it is believed that this research could serve as a key basis for solving food security issues due to climate change.

This study was conducted screening of the population densities of fungal pathogens and insect and observed the disease symptoms on the organic sweet corn seed producing field from 2008 to 2009. The dissemination spores, Alternaria sp., Cladosporium sp., Helminthosporium sp., Pyricularia sp., Collectotrichum sp., and Bipolaris sp., were detected and the three fungal spores from the front were observed for whole growth stage. Seed and seedling diseases were shown as the rotted seed and damping-off seedling caused by Penicillium sp. and Rhizoctonia sp.. The larva of Black cutworm cut down the root crown of seedlings. The damaged plants were ranged from 14% to 16%. On the Oriental corn borer, the population densities and the percentage of damaged plants were showed a low difference between two sweet corn varieties. The population densities of Oriental corn borer were scored as from 3.5 to 20.5 in 2008 and from 0.5 to 6 in 2009. Also the percentage of damaged plants were significantly increased until harvesting stage and was recorded from 7.5% to 21% in 2008 and from 1% to 46% in 2009. On the Corn leaf blight, the percentage of diseased plant were scored from 7% to 34% in 2008. The first occurrence of date was after June 18, and the percentage of diseased plant was continuously increased after August 21 and the values of diseased plants was ranged from 56% to 69% in 2009. On common smut, the percentage of diseased plant was recorded from 5% to 15% in 2008, and the first occurrence date were delayed as 17 days (July 17) and were showed less than 8% of diseased plants in 2009. Corn Southern Leaf spot was scored as average 11% at early stage and showed high score as 62% at September 19 in 2008. In 2009, the first occurrence date were advanced about 20 days (after June 8), and continuously increased up to 86% in 2009.