一年生植物
Annuals, as a general rule, are very responsive to phosphorus fertilization. 通常說來，對一年生植物施用磷肥是相當有效的。
Some annuals do not take well to heavy pruning.Most plants will do well by having the top pinched. 有些一年生植物不堪剪除，大部分植物對頂部修剪還是沒有大影響的。
