Earth science

Earth science

Any of several geological sciences that are concerned with the earth, its origins, and all of its various structures and physical forms and phenomena.

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Earth science > Soil science

k-selected

Earth science; Soil science

In ecological theory, that group of microorganisms in soil living at or near the carrying capacity of the soil environment. Analogous to autochthonous microorganisms.

lectins

Earth science; Soil science

Plant proteins that have a high affinity for specific sugar residues.

soil microbial diversity

Earth science; Soil science

Expression of the variety of soil microorganisms and activities at the genetic, species, and soil ecosystem levels; measurements based on communities rather than species.

basic fertilizer

Earth science; Soil science

One that, after application to and reaction with soil, decreases residual acidity and increases soil pH.

photolithotroph

Earth science; Soil science

An organism that uses light as a source of energy and CO2or carbonates as the source of carbon for cell biosynthesis.

phase

Earth science; Soil science

A utilitarian grouping of soils defined by soil or environmental features that are not class differentia used in U. S. system of soil taxonomy, e.g., surface texture, surficial ...