The old road helped with his direction, but the forest soil made easier going.

Forest soils are so poor they can't support more than two or three seasons' crops.

The average elevation of the region is 1,200 meters, with brown forest soils.

It was first isolated from forest soil, under pine trees, in northern Virginia.

Put some forest soil in a container, and just wait for the weeds to sprout.

They hid in barns and built bunkers under the forest soil.

Found in the A-horizon of forest soils and lake sedimentation.

But other tropical forest soils bake into virtual concrete when the cover is removed.

The most frequent type is brown alluvial forest soil.

Many of these worms die since they are not well adapted to the new conditions of the forest soil.

Lastly, deforestation, in particular, is responsible for degradation of forest soils.

The dark and porous forest soils were formed from volcanic ash.

Forest soils are used for tea and coffee plantations.

Monstrous human footprints appeared, each ten feet long, sinking inches deep into the forest soil.

When earthworms invade forest soil they break up this layer of organic material.

The dry forest soil leads to lower water intake for the trees to extract when the rains arrive.

Apparently rain forest soil is depleted in ammona and phosphates.

This can be an advantage in excessively leached tropical rain forest soils.

In such conditions, a brown forest soil seems to have developed widely from late glacial times through to the Bronze Age.

These occurrences are in line with the prevailing acidic character of most oak forest soils.

The soil is brown forest soil with riolit tuff underneath.

The Lost Forest soil was formed from lake sediments and alluvial materials.

The modern soil is typically brown sub-arctic forest soil.

The report said evidence so far showed there was probably no damage to forests from acid rain, although possibly some damage to forest soil.

But this was more than a statue or a carving; it was alive, drawing energy through deep roots in the forest soil.