A systematic investigation from 1992 to 1994 has made cleary that the regular season pattern ekisted in field of rye grass rust and there were two disease peaks in a year.
英
美
释义
经1992-1994年系统调查,初步明确冠锈病的田间流行有明显的季节性变化,全年有两个发病高峰。
把海词放在桌面上,查词最方便
触屏版
|
电脑版
©2003 - 2024 海词词典(Dict.cn)
立即下载