著者
本城 淳子 安藤 豊 角田 憲一
出版者
日本土壌肥料學會
雑誌
日本土壌肥料學雜誌 = Journal of the science of soil and manure, Japan (ISSN:00290610)
巻号頁・発行日
vol.71, no.4, pp.480-487, 2000-08-05
被引用文献数
2

The relationship between the establishment of seedling directly sown on well-drained paddy field and reduction condition and/or temperature was investigated without coated calcium peroxide. The experiment was conducted in an incubation box under two different temperature conditions (15 and 17℃) and two moisture conditions (flooded and unflooded) under lighted conditions. There were four plots, i.e. high temperature and flooded plot (HTF), low temperature and flooded plot (LTF), high temperature and unflooded plot (HTU), and low temperature and unflooded plot (control, C). Change of the conditions (15 to 17℃ and/or unflooded to flooded) was carried out in 3-d intervals from 0 d after sowing (DAS). Emergence percentage (number of emerged seedlings/number of seeds sown), establishment percentage A (number of established seedlings/number of seed sown) and establishment percentage B (number of established seedlings/number of emerged seedlings) were elucidated. 1) The earlier the change of conditions, the lower the emergence and establishment percentages were observed in HTF as compared with HTU. Higher emergence and establishment percentages were obtained in HTF than LTF when flooding and temperature changes were conducted before 15 DAS. 2) Effect of the beginning time of flooding on establishment percentage B related on the growth stage of rice seedling. Establishment percentage B was divided into 3 groups by the beginning time of flooding, i.e. the lowest was 0 to 3 DAS, medium was 6 to 12 DAS and the highest was 15 to 21 DAS. 3) Consequently, the time after emergence of seedling was the suitable stage for the start time of flooding to obtain high and stable establishment of seedlings of rice plant.
著者
堀口 健一 松田 朗海 高橋 敏能 萱場 猛夫 角田 憲一 安藤 豊 後藤 正和
出版者
山形大学
雑誌
山形大学紀要. 農学 = Bulletin of Yamagata University. Agricultural Science
巻号頁・発行日
vol.15, no.3, pp.111-117, 2008-02-15

Summary : The objectives of this study were to investigate the fermentation quality characteristics of Chineria-Mama whole crop rice silage and to examine the effect of addition of fermented juice of silage extract (FJSE) and fermented juice of epiphytic lactic acid bacteria (FJLB) on the fermentation quality. Rice plant (Oryza sativa L. line, Chineria-Mama) was cultivated by using conventional methods and was harvested on September 8 (Sept-cutting) and October 6 (Oct-cutting), 2006. The rice plants were cut with a cutter blower into 1-3 cm pieces and were crammed into plastic pouches without (control) or with 1 % of FJSE (FJSE treatment) or FJLB (FJLB treatment) in the fresh matter. All silages were maintained indoors and opened after 1 month. FJSE and FJLB were prepared according to the following method. 100 g of the cut fresh Chineria-Mama silage and Chineria-Mama rice plant were macerated with 500 mL of water and 10 g granulated sugar was added. The mixture was incubated anaerobically at room temperature for 2 days, and then filtered through quadruple layers of cheesecloth. The filtrate was collected in a plastic bucket and blended with 10 g granulated sugar. There was no remarkable difference in crude protein, ether extracts and neutral detergent fiber content between the Sept-cutting rice plant and the Oct-cutting rice plant. The non fibrous carbohydrates content of Chineria-Mama rice plant was 33.1% Sept-cutting and 33.6% Oct-cutting in the dry matter. The pH values for silage of control, FJSE treatment and FJLB treatment were the range of 3.6-3.8. Moisture contents for all silages of Sept-cutting were higher than those of Oct-cutting (P<0.01). The lactic acid contents in the fresh matter of all silages were more than 1 %, and that of FJSE treatment silage was lowest (P<0.05) at Sept-cutting and Oct-cutting. Propionic acid was observed only in FLSE treatment silage (P<0.01). Butyric acid contents were low in the silage of control, FJSE treatment and FJLB treatment. There was no large difference in volatile basic nitrogen content among three treatment silages. The present results suggest that the fermentation quality of Chineria-Mama whole crop rice silage is good, and the addition of FJSE and FJLB prepared in this experiment can not improve on the lactic fermentation of silage. Key Words : Chineria-Mama, fermented juice of epiphytic lactic acid bacteria, fermented juice of silage extract, fermentation quality, whole crop rice silage キーワード:イネ「チネリア・ママ」,サイレージ抽出培養液,原材料由来乳酸菌培養液,発酵品質,イネホールクロップサイレージ
著者
佐々木 由佳 安藤 豊
出版者
名古屋大学農学国際教育協力研究センター
雑誌
農学国際協力 (ISSN:13475096)
巻号頁・発行日
vol.12, pp.53-57, 2012-03

山形大学農学部の国際協力に関する取り組みは2つある。一つは国際的視野を有する学生の育成、もう一つは留学生・研修生の受け入れである。前者の例として、英語によるプレゼンテーションおよびコミュニケーション能力の上達や発展途上国を対象とする国際理解を目指したプログラムがある。また、大学間・学部間の交流協定に基づく国費による短期海外派遣、サマースクールも行っている。留学生・研修生の受け入れは、国際協力に興味関心のない学生に対して有効であると捉えている。留学生や外国人研修生と常に交流している学生は文化や習慣の違いを肌で感じ、外国人や英語に対するためらいがなくなるようである。しかしこれらの取り組みは歴史が浅く、明確な成果は得られていない。一方、取り組みを継続するには予算確保が重要な課題となる。さらに、JICA や地元自治体との連携を調整する専任のコーディネータの配置などが重要と考えられる。The purposes of international cooperation of Faculty of Agriculture, Yamagata University are to educate Japanese students with a broad outlook on international view point and to train foreign students as graduate students or as trainees of special course. For Japanese students, there are some lectures, e.g. presentation in English and deepen understanding of developing countries, and some programs, e.g. visiting foreign countries as a summer school. Foreign students or foreign trainees affect Japanese students who have little interest in international cooperation. They raise awareness about international cooperation through exchange between foreign and Japanese students daily life. However, we have little history about international cooperation, definite results are not clear yet. To achieve brilliant successes, these programs should be carried out continuously.
著者
藤井 弘志 小田 九二夫 柴田 康志 森 静香 今川 彰教 安藤 豊
出版者
日本作物学会
雑誌
日本作物學會紀事 (ISSN:00111848)
巻号頁・発行日
vol.75, no.4, pp.459-464, 2006-10-05
被引用文献数
6 8

2004年の台風15号に伴い東北地方の日本海側で発生した潮風害の発生要因を台風の特徴から総合的に解析して,今後の東北地域の日本海側における潮風害発生に対する資料とするとともに,台風の特徴から潮風害の発生を予測する手順についても考察する.台風の特徴からみた潮風害の発生要因としては,(1)南西風で風速が強く(15ms^<-1>以上),風速10ms^<-1>以上の継続時間が長いこと(5時間以上)によって,飛散した海塩粒子が平野の内陸部まで運搬されたこと,(2)高い波が海岸線に打ち寄せられ波しぶきが上がったこと,(3)降雨が少ないことによって,農作物に付着した塩分が洗い流されなかったこと,(4)水稲の生育時期が潮風害の被害を受けやすい時期であったことが相互に重なりあって潮風害の被害地域および被害程度の拡大につながったと考えられる.市町村によって収量的には大きな差が認められ,北部地域または海岸に近い地帯ほど減収割合が高かった.北部地域で南部地域に比べて収量が低下した一つの要因としては,南部地域に比べて北部地域で風が強く,海塩粒子が内陸部まで運搬されたことが考えられた.
著者
堀口 健一 松田 朗海 高橋 敏能 萱場 猛夫 角田 憲一 安藤 豊 後藤 正和
出版者
山形大学
雑誌
山形大學紀要. 農學 (ISSN:05134676)
巻号頁・発行日
vol.15, no.3, pp.111-117, 2008-02-15

Summary : The objectives of this study were to investigate the fermentation quality characteristics of Chineria-Mama whole crop rice silage and to examine the effect of addition of fermented juice of silage extract (FJSE) and fermented juice of epiphytic lactic acid bacteria (FJLB) on the fermentation quality. Rice plant (Oryza sativa L. line, Chineria-Mama) was cultivated by using conventional methods and was harvested on September 8 (Sept-cutting) and October 6 (Oct-cutting), 2006. The rice plants were cut with a cutter blower into 1-3 cm pieces and were crammed into plastic pouches without (control) or with 1 % of FJSE (FJSE treatment) or FJLB (FJLB treatment) in the fresh matter. All silages were maintained indoors and opened after 1 month. FJSE and FJLB were prepared according to the following method. 100 g of the cut fresh Chineria-Mama silage and Chineria-Mama rice plant were macerated with 500 mL of water and 10 g granulated sugar was added. The mixture was incubated anaerobically at room temperature for 2 days, and then filtered through quadruple layers of cheesecloth. The filtrate was collected in a plastic bucket and blended with 10 g granulated sugar. There was no remarkable difference in crude protein, ether extracts and neutral detergent fiber content between the Sept-cutting rice plant and the Oct-cutting rice plant. The non fibrous carbohydrates content of Chineria-Mama rice plant was 33.1% Sept-cutting and 33.6% Oct-cutting in the dry matter. The pH values for silage of control, FJSE treatment and FJLB treatment were the range of 3.6-3.8. Moisture contents for all silages of Sept-cutting were higher than those of Oct-cutting (P<0.01). The lactic acid contents in the fresh matter of all silages were more than 1 %, and that of FJSE treatment silage was lowest (P<0.05) at Sept-cutting and Oct-cutting. Propionic acid was observed only in FLSE treatment silage (P<0.01). Butyric acid contents were low in the silage of control, FJSE treatment and FJLB treatment. There was no large difference in volatile basic nitrogen content among three treatment silages. The present results suggest that the fermentation quality of Chineria-Mama whole crop rice silage is good, and the addition of FJSE and FJLB prepared in this experiment can not improve on the lactic fermentation of silage. Key Words : Chineria-Mama, fermented juice of epiphytic lactic acid bacteria, fermented juice of silage extract, fermentation quality, whole crop rice silage キーワード:イネ「チネリア・ママ」,サイレージ抽出培養液,原材料由来乳酸菌培養液,発酵品質,イネホールクロップサイレージ
著者
安藤 豊 小南 力 藤井 弘志 岡田 佳菜子
出版者
一般社団法人日本土壌肥料学会
雑誌
日本土壌肥料學雜誌 (ISSN:00290610)
巻号頁・発行日
vol.69, no.6, pp.618-625, 1998-12-05
参考文献数
15
被引用文献数
5

To clarify the growth of rice plants grown under no-tillage and conventional tillage conditions, N absorption pattern and tillering habit at the early growth stage, and N absorption, photosynthetic and exudation rate of rice plants at the middle and late growth stages were examined. Results obtained were as follows ; 1) There was no difference in the number of tillers between no-tillage (NT) and conventional tillage (CT) grown rice within 3 weeks after transplanting. However, the increasing rate of tillers in CT was more than that in NT. No significant difference was observed in basal N absorption by rice plants between NT and CY from transplanting to the middle of June. In the NT plants, the amount of basal N at the end of June was almost same as that at the middle of June. On the other hand, in CT plants, the amount of basal N at the end of June was two times higher than at the middle of June.2) The relationship between soil hardness, plant shoots and root dry weight was presented by linear equations. Increasing soil hardness caused a decrease in the dry weight and amount of N in the rice plant. 3) The rate of N absorption and exudation by rice plants under NT conditions was more than that under CT conditions at the middle and late growth stages. In addition, the photosynthetic rate of rice plants under NT conditions at the late growth stage was more than that under CT conditions.