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

氮肥改变了泥炭沼泽中化学同位素的平衡。

Cutting forests releases greenhouse gases from the wood and the soil, and fertilisers create greenhouse gases too.

而采伐森林会导致温室气体从树木、土地中散发出来，肥料也能产生温室气体。

This means people trained to handle complex machinery like tractors, and fertiliser spreaders, loading machines – the works.

农业设备操作员接受过培训，可以操作各种复杂的农业机械，如拖拉机、撒肥机、装载机。

Meanwhile higher fertiliser and energy costs will crimp farmers' margins everywhere.

与此同时，更高的化肥和能源成本将挤压各地农民的利润。

But initial evidence from the German dairy and fertiliser industries suggests that even heavy users respond to higher prices.

但来自德国乳制品和化肥工业的初步证据表明，即使是重度消费者也会对价格上涨做出反应。

Fertiliser shortages are even harder to cover: new potash mines take 5-10 years to build.

新的钾肥矿需要5-10年才能建成。

So it means Africans are just using less fertiliser.

所以这意味着非洲人只是使用了更少的化肥。

Farmers have switched from gas to oil heating; ammonia, fertiliser's gas-intensive ingredient, is now imported instead of being made locally.

农民们已经从使用天然气改为使用石油取暖；化肥的天然气密集型原料--氨现在也是用进口的，而不是本地生产的。

VOICE OVER: The whales' fecal fertiliser allows for the growth of phytoplankton.

画外音：鲸鱼的粪便肥料有助于浮游植物的生长。

But fertiliser costs remain high, meaning more reassurance will probably be needed in the future.

但化肥成本居高不下，意味着未来可能需要更多保证。