It doesn't require as much fertilizer as corn does to grow, but when they burn the sugar cane fields, that releases loads of greenhouse gases.

它的生长不像玉米那样需要很多肥料，但是他们燃烧甘蔗田时会释放大量的温室气体。

youdao

In addition, they use far less space to grow than traditional biofuel crops such as corn or palm oil.

此外，与玉米或棕榈油之类的传统生物燃料作物相比，它们所需的空间远远要少得多。

youdao

Where it makes sense to grow corn, some of that corn is going to ethanol production, but in other areas of the country they will be able to use what they have locally available," she said.

在适合玉米生长的地区，可以把部分玉米用来生产乙醇，但在国内其他地区，人们可以就地取材。

youdao

The Havasupai used to roam freely between the canyon where in summer they grow vegetables, corn and grass for their horses and their plateau lands, where they once hunted elk and gathered berries.

ECONOMIST: Indian tribes