He wrote: Collating old records shows that our greatness rises and falls with the living fertility of our soil.

他写道：对旧记录的整理表明，我们的伟大是随着我们土壤的丰饶而起落的。

youdao

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.

在很多地区，由于工业化肥和农药的持续使用，导致自然土壤的肥力正在下降，然而化肥的流入却导致湖泊中藻类生长得越来越快。

youdao

That is true, he said, whether the goal is restoring fertility to African soil or building a system to warn of tsunamis.

他说，事实就是如此，不论我们的目的是恢复非洲土地的肥沃还是建立一个海啸预警系统。

youdao

Farmers lack enough inputs to maintain soil fertility is parts of many developing countries, especially in Africa south of the Sahara.

VOA: special.2009.07.28

Biodiversity, which includes species, ecosystems, and ecological processes, is essential for the long-term maintenance of ecosystem services like photosynthesis, nutrient recycling, soil fertility, provision of fresh water, disaster prevention, and many others.

FORBES: Conservation International: Stemming the Tide of Environmental Crises, Part Five

Dr Colin McClung, ex-IRI, was co-recipient of the World Food prize in 2006 for this soil fertility work.

ECONOMIST: Letters

Cumbria Wildlife Trust and a group of volunteers restored a hay meadow at Row Foot, Ravenstonedale, after tests showed the soil had low fertility.

BBC: Cumbria wildflowers thrive after hay meadow restoration