When buying spring plants in cell containers, all the plants in the group should be healthy.

当购买装在容器里的春季植物时，组里所有植物都应该是健康的。

Fifty years ago this spring we planted kohlrabi together in a garden in Charles City, Iowa.

五十年前的一个春天，我们在艾奥瓦州查尔斯市的一个花园一起栽下苤蓝菜。

And as the leaves break down, they will enrich the soil to give spring plants more nutrients.

树叶分解，土壤会变得肥沃，为春季植物提供更多的营养。