When you apply nitrogen fertilizers, it is mostly in ammonium form.

我们所施的氮肥，大部分是铵态氮肥。

Farmers' use of nitrogen fertilizer drives up the amount of nitrous oxide produced in soil.

农民使用氮肥增加了土壤中一氧化二氮的产量。

A 30-fold increase in nitrogen fertilizer consumption is supporting only four-fold increase in food grain production.

氮肥用量翻了 30 倍，却只让粮食生产翻了 4 倍。

A 30-fold increase in nitrogen fertilizer consumption has resulted in a four-fold increase in global food grain production.

氮肥用量 30 倍的暴涨促使全球粮食产量翻了 4 倍。

Because of this, the nitrogen fertilizer, whatever we are applying, would stay in the root-zone, doesn't leak.

由此，氮肥和我们施下的各种化肥，都会留在根系中，不会泄漏。

If you look at the nitrogen fertilizer consumption from the beginning of the Green Revolution, it has grown nearly 30 fold.

对比一下绿色革命初期的氮肥用量，如今已经翻了将近 30 倍。

Particularly, the infusion of large amounts of nitrogen fertilizers caused disruption to this microbial activity and changed the population dynamics.

尤其是氮肥的大量使用导致了微生物活动的紊乱，改变了微生物种群的动态。

They are so sick that nearly 70 percent of the nitrogen fertilizers that are being applied to farmlands are being leaked out.

病重到农田上用的 70% 的氮肥都泄漏了。

Ginkgo partnered with Bayer to solve the nitrogen fertilizer issue.

银杏与拜耳合作解决氮肥问题。

French scientists traced nitrogen fertilizer and found that roughly 15 percent of the nitrogen applied in 1982 was still sitting in the soil today.

法国科学家追踪了氮肥，他们发现1982年施用的氮肥有大概15%现在依旧留在土壤中。

And also, these four crops consume more than 90 percent of the entire nitrogen fertilizer produced industrially goes to these four production systems.

与此同时，超过 90% 工业生产的氮肥会进入这 4 种粮食的生产系统。

That's what is going to control — that's what is going to reduce the amount of nitrogen fertilizer in future in wheat root systems.

这就是我们从小麦根系中找到的，能在未来减少氮肥用量的方法。

For instance, the nitrogen fertilizers that we use to grow food are running off into our bodies of water, and producing low oxygen “dead zones” that would be visible in sedimentary layers.

例如，人类用来种植作物的氮肥正在流入我们的水体，并产生一些低氧“死亡区”，它们在沉积层是可见的。

In experiments on the salt marsh, adding nitrogen fertilizer to the center patch increased their growth, while adding it on the rings hardly gave a boost.

在盐沼的实验中，向中心斑块添加氮肥促进了它们的生长， 而在环状区域添加氮肥几乎没有促进作用。

But herbicides can be really toxic, and millions of pounds of nitrogen fertilizers sprinkled over lawns every year — well, that's a massive source of carbon emissions.

但是除草剂可能真的有毒，每年有数百万磅的氮肥洒在草坪上——好吧，这是碳排放的一个巨大来源。

Nitrogen fertilizers have altered the balance of chemical isotopes in peat bogs.