Professor Curran says composting weeds is another way to make use of them.The process of making organically rich compost produces heat.The heat will kill many, though not all, weed seeds.

• 卡恩教授说堆集杂草肥是再利用的又一方法，在堆集肥沃的有机肥的过程中能够提升热度，这样高的温度将会清除绝大部分草种。