广播电视英语短句 第 131 课：种植菊花-5

Doug Akers from the cooperative extension service at Purdue University in Indiana suggests straw or shredded leaves for the mulch. Doug Akers 来自印第安纳州普度大学的合作推广服务组织，他建议用麦秆或撕碎的花瓣来做覆盖物。

The material will also add nutrients to the soil. 这些物质可以增加土壤的养分。

Some gardeners say the most beautiful presentation comes from planting mums close together. 一些园艺师说，最好看的观赏方式来自很多菊花在一起种植的地方。

But they also advise leaving enough space between the plants so air can flow. 但是，他们也建议，为了使空气可以更好的流动，菊花之间要留下足够的空间。

If not, the chance of disease may increase. 如果不这样的话，菊花生病的机会就会增加。