In certain trees, soils can form along branches and can support varied plant and animal life. However, what conditions these ‘canopy soils’ form in, and what kind of biodiversity they support, has ...

Marriage of the mineral world and the organic world: Introduction: How soil forms from rocks and weather -- Plant roots and their bacterial partners -- Plant roots and their fungal partners -- Where ...

Nitrogen changes form as it cycles between air, soil, and life. Soils, for example, emit nitrogen either as inert dinitrogen (N 2), which dominates our atmosphere, or as nitric oxide (NO) or nitrous ...

Nitrogen is essential for all living organisms, but in many ecosystems it is in short supply. Plants and soil microbes both ...