Indeed, on a global scale, fertiliser manufacturing consumes about 3-5% of the world's annual natural gas supply.
事实上，在全球范围内，化肥生产消耗了全球每年约3-5%的天然气供应。
2
Natural soil fertility is dropping in many areas because of continuous industrial fertiliser and pesticide use, while the growth of algae is increasing in lakes because of the fertiliser run-off.