One, after the early or early spring that produces reason fruiter to produce freeze injury to come as a result of the cold wave at the beginning of Qiu Modong more is warm time cold.

 
  • 一、发生原因 果树发生冻害多由于秋末冬初寒潮来的早或早春天暖后的回寒。
今日热词
目录 附录 查词历史