4 Terms
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Soil science
That science dealing with soils as a natural resource on the surface of the earth including soil formation, classification and mapping; physical, chemical, biological, and fertility properties of soils per se; and these properties in relation to the use and management of soils.
Industry: Earth science
Add a new termContributors in Soil science
Soil science
Fertiliser ratio
Earth science; Soil science
The relative proportions of primary nutrients in a fertiliser grade divided by the highest common denominator for that grade, e.g., grades 10-6-4 and 20-12-8 have a ratio 5-3-2.
Bulk density soil
Earth science; Soil science
The mass of dry soil per unit bulk volume. The value is expressed as Mg per cubic meter, Mg m-3.
Karst
Earth science; Soil science
Topography with sinkholes, caves, and underground drainage that is formed in limestone, gypsum, or other rocks by dissolution.
Stem flow
Earth science; Soil science
The movement of water (precipitation ro irrigation) down stems and branches of plants.
Electrostatic valency
Earth science; Soil science
The ratio of cation valence to coordination number (z/n)
Flood plain
Earth science; Soil science
The nearly level plain that borders a stream and is subject to inundation under flood-stage conditions unless protected artificially. It is usually a constructional landform built of sediment ...
Torrerts
Earth science; Soil science
Vertisols of arid regions that if not irrigated during the year have cracks in 6 or more out of 10 years that remain closed for less than 60 consecutive days during a period when the soil temperature ...
