Chinese researchers say overuse of nitrogen fertiliser is poisoning the country's air, soil and water, and that farmers could reduce its use without compromising crop yields, Nature reports.
据《自然》杂志报援引中国研究者报道，过度使用氮肥会致使中国的空气，土壤及河流受到污染，而农民减少使用化肥并不会影响到粮食产量。
But primarily, because nitrogen is a fertiliser, it favours wild plants that can maximise the use of nitrogen to help them grow.
但首先因为氮是一种肥料，它有利于那些能最大化利用氮素进行生长的野生植物。
However, the researchers stopped short of calling for a fertiliser tax to reduce the use of nitrogen in agriculture.
然而，研究人员却反对增加化肥生产商的赋税来减少农业中氮肥的使用。
This is largely because of reductions in fertiliser use and the amount of nitrogen leaching from manure.
这是相当大的一部分，因为可以减少施肥和从动物粪便中滤出的氮。
Experimental crop plants that use nitrogen more efficiently provide the same yields as normal crops with less fertiliser.
能更有效地利用氮肥的实验性农作物能在使用较少肥料的情况下做到和普通农作物的产量一样。
By contrast, fertiliser subsidies encourage futile over-use of nitrogen in parts of China.
但与此形成对比的是，中国的部分地区却在通过化肥补贴来鼓励氮肥的无效的过度使用。
The invention of a process to synthesise nitrogen cheaply into ammonium, a fertiliser, paved the way for the huge increase in food production in the 20th century.
一项发明可以将氮简单转换成铵氮，后者是一种肥料，他的使用使得二十世纪的粮食生产有了巨大的增长。
The deal will extend Yara's lead as the world's biggest maker of nitrogen-based fertiliser.
此项交易将进一步扩大亚拉公司作为全球最大氮肥制造商的领先地位。
The invention of a process to synthesise nitrogen cheaply into ammonium, a fertiliser, paved the way for the huge increase in food production in the 20th century.
在20世纪，工业化合成氮的发明使指生产军火和肥料成为可能，进而导致了粮食的急剧增长。
Fertiliser nitrogen must be a sensibly used tool and not an addiction in intensive grassland management.
在集约的草地管理中，氮肥必须是合理使用的一种手段，而不是一种嗜好。
Farmers think that using more nitrogen and potassium fertiliser will produce higher yields and this only leads to problems such as water pollution and hardening of the soil.
农民以为施用了更多的氮肥钾肥就可以得到更高的产量，这才带来了水体的污染、土壤的板结等问题。
Farmers think that using more nitrogen and potassium fertiliser will produce higher yields and this only leads to problems such as water pollution and hardening of the soil.
农民以为施用了更多的氮肥钾肥就可以得到更高的产量，这才带来了水体的污染、土壤的板结等问题。
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