They run wild, but they were in rich soil, so some of them lived.

他们到处乱跑，但是他们住在肥沃的土地上，所以他们中有些人活了下来。

youdao

Weeds grow thickly in rich soil.

杂草在肥沃的土壤中长得很茂盛。

youdao

Most plants grow best in rich soil.

大多数植物在沃土中长得最好。

youdao

He says that is because the farmer used rich soil to produce the sod, so it might not do well in clay soils.

VOA: special.2009.07.07

Cotton was a crop that grew well in the rich, dark soil near the river.

VOA: special.2010.03.28

He says its unique flavor is due to the combination of Kampot's rich soil, the climate in this area which is between the mountains and the sea, as well as the experience of several generations of pepper farmers.

VOA: standard.2009.04.16

Now it's a virtual jungle which settled spontaneously and grew rapidly in the rich soil.

ECONOMIST: Building houses

Other former coffee-plantation land, high in the mountains where the soil is rich in volcanic minerals, remains overgrown with weeds and contains barren trees.

WSJ: Coffee Growers Forge a Futures Recovery

Over a two-year experiment, we saw that there was a change in the soil structure as a result of a wetting and drying of the soil in clay-rich soils, and that can increase the amount of structure and hence storage of water.

BBC: Hybrid grass 'could reduce flooding impact'