Mycorrhiza

When a wildfire burns across a forest, logs and stumps on the ground may completely burn up. When this happens the soil beneath and near the logs and stumps is...

In the Western United States, shallow rocky soils and a dry climate often make it hard for new trees to grow in areas that have been harvested of older trees....

In the Western United States, shallow rocky soils and a dry climate often make it hard for new trees to grow in areas that have been harvested of older trees....