北方种植M1的半致死剂量为16KR左右，海南岛种植M1时可加大剂量至20KR。

The dose of 50% M1 lethal was around 16KR when planted in North, and 20KR when planted in Hainan.

youdao

北方种植M1的半致死剂量为16KR左右，海南岛种植M1时可加大剂量至20KR。

The dose of 50% M1 lethal was around 16KR when planted in North, and 20KR when planted in Hainan.

youdao