Seedlings grown on a sand-medium will usually require a foliar micronutrient application by 2 or 3 weeks after emergence.是什么意思_Seedlings grown on a sand-medium will usually require a foliar micronutrient application by 2 or 3 weeks after emergence.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句