2 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
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Soil science
Alkali soil
Earth science; Soil science
(i) A soil with a pH of 8. 5 or higher or with a exchangeable sodium ratio greater than 0. 15. (ii) A soil that contains sufficient sodium to interfere with the growth of most crop plants.
Microrelief
Earth science; Soil science
(i) Generically refers to local, slight irregularities in form and height of a land surface that are superimposed upon a larger landform, including such features as low mounds, swales, and shallow ...
Synergism
Earth science; Soil science
(i) The nonobligatory association between organisms that is mutually beneficial. Both populations can survive in their natural environment on their own although, when formed, the association offers ...
Ground fire
Earth science; Soil science
A fire that consumes all organic material of the forest floor and also burns into the underlying soil itself, as, for example, a peat fire. Differentiated from a surface fire on the basis of ...
Podzol
Earth science; Soil science
A great soil group of the zonal order consisting of soils formed in cool-temperate to temperate, humid climates, under coniferous or mixed coniferous and deciduous forest, and characterised ...
Microclimate
Earth science; Soil science
(i) The climatic condition of a small area resulting from the modification of the general climatic conditions by local differences in elevation or exposure or other local phenomena. (ii) The ...
