Bruno Glaser, a soil scientist of the University of Bayreuth, has studied unexpected patches of fertile soils in the central Amazon.

拜罗伊特大学的土壤科学家布鲁诺·格拉泽研究了亚马逊中部几块出人意料的肥沃土壤。

youdao

The number of bacteria was relatively higher in more fertile soils.

反之，不一定是熟化程度较高的土壤。

youdao

In the more fertile soils of California, this program can be reduced.

在较肥沃土壤上，加州的这一计划可以减少。

youdao

Cindy Haynes says little or no fertilizer is needed in fertile soils.

VOA: special.2009.02.17

She says that the goods and services provided by nature - like clean air, rain or fertile soils - should not be taken for granted.

VOA: standard.2010.02.24

The landscape, rich fertile soils and an impressive record of culture and tradition give this Geopark major geotouristic potential.

UNESCO: NATURAL SCIENCES

Uganda has substantial natural resources, including fertile soils, regular rainfall, small deposits of copper, gold, and other minerals, and recently discovered oil.

FORBES: Uganda

The volcanic soils of North Kivu are fertile and the roads are still good enough to allow farmers to send their produce to local markets.

ECONOMIST: Eastern Congo