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Earthworms-
Animals of the Lumbricidae family that burrow and live in soil. They mix soils with plant residues, aerate soil and leave behind nutrient rich casts.
Ecology-
The interactions between living organisms and their environment
Ecosystem-
An interacting system of living organisms, soil and climatic factors.
Edaphology-
Science that concerns the influence of soil on living things, particularly plants, including human use of land for plant growth.
Emulsifier-
An additive used in the preparation and processing of
foods, used to blend or mix ingredients together and keep
them from separating.
Erosion-
The wearing away of the land surface by wind, water, ice, or other geological agents.
Evapotranspiration-
The combined loss of water from a given area in a specified time by evaporation from the soil surface and transpiration from plant cover.
Esker-
Narrow ridge of gravel or sandy material deposited by stream running from a tunnel or valley in a glacier.
Eukaryote-
An organism whose cells contain nuclei. All organisms except the bacteria are eukaryotes.
Exchange Capacity-
The total ionic charge of the adsorptive complex of soil which includes largely the clay minerals, hydrous oxides and organic matter.
Ext. D&C-
Prefix signifying a dye is FDA-approved for externally
applied drugs and cosmetics only.
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