安徽农业科学2016，Vol.44Issue(23)：20-23,4.
丘陵山区水稻直播研究
Preliminary Study on Rice Direct Seeding in Hilly Area
摘要
Abstract
Objective] To explore the high yield of direct seeding rice production in the Three Gorges Reservoir area, and to study the applica-tion of the technology in the field of rice direct seeding.[Method] The rice varieties for regional production promotion of (Shenliangyou 5814, Wanyou 481, Yang japonica 508 and Fengyouxiangzhan) were used as research materials.Direct seeding test was carried out in Guanfeng Village of Ganning Town and Yankou in Longsha Town.Fertilization control, field water slurry management and herbicide application were used for weeds control and lodging resistance.[Result] Amplitude of test output was 8 446.5-9 423.0 kg/hm2, which were higher than that of perennial local production levels.Among them, Wanyou 481 had the highest yield (9423.0 kg/hm2 ), followed with Shenliangyou 5814 (9 264.0 kg).And Fengyouxiangzhan had the lowest yield (8 446.5 kg/hm2).During the whole growth period ranged 138-155 days, Wanyou 481 was the shortest (138 d);Shenliangyou 5814 was the longest (155 d).Amplitude of plant height was 125.6-132.3 cm.Among them, Fengyouxiangzhan was the highest (132.3 cm);Yang japonica 508 was the shortest (125.6 cm).In the test site of Guangfeng Village of Ganning Town, there was a small amount of barnyard grass in field, but no other weeds.In the test site of Yankou Village of Longsha Town, there were a small amount of barnyard grass and other weeds.All the tested combinations were not lodging.[Conclusion] The rice direct seeding in the experimental area has the poten-tial to obtain high yield.In weed control, the use of two "seal"a "kill"weeding mode can basically control the growth of weeds in the field . Through the field water and fertilizer management, establishing good root structure can effectively prevent lodging.关键词
丘陵/水稻/直播Key words
Hilly/Rice/Direct seeding分类
农业科技引用本文复制引用
黄成志,黄文章,雷树凡,严明建,胡景涛,吕直文,刘厚宪..丘陵山区水稻直播研究[J].安徽农业科学,2016,44(23):20-23,4.基金项目
重庆市社会民生科技创新专项（ cstc2015 shmszx0567）；现代农业产业技术体系建设项目（ CARS－01－74）；重庆市万州区科技计划项目（201501002）；渝东北生态涵养重点创新团队。 （）
