So hidden from our eyes, plant roots are colonized by a fungus called arbuscule mycorrhizae.

隐藏在我们的眼皮底下，植物的根茎被一种叫做丛枝菌根的真菌定殖。

Partnering with these roots are symbiotic fungi called mycorrhizae.

与这些根结成伙伴的是称为菌根的共生真菌。

When planting, Damiano says she always dusts root balls with fungi called mycorrhizae.

达米亚诺说，在种植时，她总是在根球上撒上一种叫做菌根的真菌。

Trees that associate with arbuscular mycorrhizae tend to have more nitrogen and phosphorus in their leaves.

与丛枝菌根关联的树木，其树叶往往含有更多的氮和磷。

The other type, she tells me, is arbuscular mycorrhizae.

她告诉我们，另一种是丛枝菌根。

In those two areas of the planet, we see one type of mycorrhizae versus the other type of mycorrhizae.

在世界的两个地区，我们看到了一种菌根与另一种菌根。

And you said the arbuscular mycorrhizae, they are even smaller?

达夫：你说的是丛枝菌根，它们甚至更小？

Arbuscular mycorrhizae are better at acquiring phosphorus..., and ectomycorrhizae fungi are just better at acquiring nitrogen from soils.

丛枝菌根真菌跟擅长从土壤中获取磷，而外生菌根真菌则更善于获得氮。

And you can think of mycorrhizae as falling into two basic categories.

你可以将根菌分为两大类。

As forests start to move north in response to changing temperatures, trees take their mycorrhizae with them.

随着气温变化，森林开始向北移动，同时也带走了它们的菌根。