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

Darcy's law

Earth science; Soil science

(i) A law describing the rate of flow of water through saturated porous media. (Named for Henry Darcy of Paris, who formulated it in 1856 from extensive work on the flow of water ...

alban

Earth science; Soil science

A cutan that is light-colored in thin section because of the reduction and translocation of iron.

restriction enzyme

Earth science; Soil science

A class of highly specific enzymes which make double stranded breaks in DNA at specific sites near where they combine.

catch crop

Earth science; Soil science

(i) A crop produced incidental to the main crop of the farm and usually occupying the land for a short period. (ii) A crop grown to replace a main crop that has failed.

artificial manure

Earth science; Soil science

In European usage denotes commercial fertilizers.

concretion

Earth science; Soil science

(i) A cemented concentration of a chemical compound, such as calcium carbonate or iron oxide, that can be removed from the soil intact and that has crude internal symmetry ...