“waterlogged soil”簡單造句，waterlogged soil造句子

Some savannas occur on wet, waterlogged soils; others on dry, sandy, well-drained soils.

The Major natural sources of atmospheric methane include enteric fermentation in ruminants and some insects, and the anaerobic decomposition of organic matter in waterlogged soils.

A sticky, bluish - gray subsurface layer of clay found in some waterlogged soils.

In compacted and waterlogged soils ??fixation by nodules is probably limited by availability of ??