| 稻茬烟田杂草为害损失及经济阈值研究 |
| |
| 引用本文： | 李永基,宋振云,刘文烈,刘道升,李水根.稻茬烟田杂草为害损失及经济阈值研究[J].植物保护,1995,21(5):12-14. |
| |
| 作者姓名： | 李永基 宋振云 刘文烈 刘道升 李水根 |
| |
| 作者单位： | 江西省峡江县农技推广中心，峡江县罗田乡农技站，峡江县沙坊乡农技站 |
| |
| 摘 要： | 对稻茬烟田杂草定点调查发现，草害参数与烟叶产量损失率呈ｙ＝Ａ＋Ｂｘ直线回归关系，并求出当地生产水平下杂草经济防除阈值模型：
|
| 关 键 词： | 烟田杂草 发生规律 损失 经济阈值 |
Yield Loss Assessment of Weeds in Tobacco Fields and Its Economic Threshold. |
| |
| Li Yongji Shong Zhenyun Liu Wenlie.Yield Loss Assessment of Weeds in Tobacco Fields and Its Economic Threshold.[J].Plant Protection,1995,21(5):12-14. |
| |
| Authors: | Li Yongji Shong Zhenyun Liu Wenlie |
| |
| Institution: | Agricultural Technology Extension Center of Xiajiang County;Jiangxi Province 331400 Liu DaoshengStation of Agricultural Technology of Luotian Town;Xiajiang County;JiangxiLi ShuigenStation of Agricutural Te |
| |
| Abstract: | The authors studied bionomics and the yield loss of weeds
in tobacco field of rice stubble by placement investigation, The results showed that the
relationship between weeds parameter and yield loss of tobacco was the straightline
regression: y=A Bx.Thus a economic threshold model of weeds control based on local
production level was established,that was : |
| |
| Keywords: | weeds in tobacco fields bionomics yield loss economic threshold |
| 本文献已被 CNKI 等数据库收录！ |
| 点击此处可从《植物保护》浏览原始摘要信息 |
| 点击此处可从《植物保护》下载免费的PDF全文 |
