当前位置: 首页 > 文章 > 水稻强化栽培的适宜秧龄和栽植密度研究 四川农业大学学报 2005,23 (3) 368-373
Position: Home > Articles > Study on the Seedling-age and Planting Density in SRI Journal of Sichuan Agricultural University 2005,23 (3) 368-373

水稻强化栽培的适宜秧龄和栽植密度研究

作  者:
龙旭;马均;许凤英;王贺正;黄清龙;袁志祥
单  位:
成都农业科技职业学院;四川农业大学水稻研究所
关键词:
水稻强化栽培;秧龄;栽植密度;产量
摘  要:
以杂交稻协优527为材料,研究了在强化栽培条件下适宜的移栽叶龄和栽植密度。结果表明不同移栽叶龄(2~5叶龄)对其产量的影响很小,在强化栽培应用中,可以采用4~5叶龄的带蘖秧苗移栽;在本试验范围内,强化栽培的适宜栽培密度为9万穴/hm2~13·5万穴/hm2,此时,后期光合产物积累多,穗、粒结构合理,产量可达最高。
译  名:
Study on the Seedling-age and Planting Density in SRI
作  者:
LONG Xu 1,2 , MA Jun 1** , XU Feng-ying1, WANG He-zheng1, HUANG Qing-long1, YUAN Zhi-xiang2(1.Rice Research Institute, Sichuan Agricultural University, Wenjiang 611130, Sichuan, China;2.Chengdu Vocainal College of Agricultural Science and Technology, Wenjiang 611130, Sichuan, China)
关键词:
System of Rice Intensification (SRI); seedling-age; planting density; grain yield
摘  要:
The seedling-age and planting density in System of Rice Intensification (SRI) were studied with Xieyou 527, a hybrid rice cultivar. The result indicates that no effect of seedling-ages on grain yield is found. In production practice of SRI, the selection of seedling-ages is 2 to 5 leaf-age. The suitable planting density is 9×104 plant/hm2 to 13.5×104 plant/hm2 and the grain yield is the highest.

相似文章

计量
文章访问数: 8
HTML全文浏览量: 0
PDF下载量: 0

所属期刊

推荐期刊