A control program might involve early preplant tillage to encourage germination of the weed seeds, followed by shallow t这样,在耕地前想办法促使杂草萌发,随后在播种前浅耕将其杀灭。
The structure and dynamics of the rareplant communities in subtropical mountian of China亚热带山地森林珍稀植物群落的结构与动态