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Agronomy

Understanding Soil Chemistry

TermDefinition
soil fertility ability of a soil to provide nutrients for plant growth.
Soil pH measure of acidity or alkalinity of the soil.
neutral pH 7.0
A solution with a pH between 7.0 and 14.0 is alkaline or basic
A solution with a pH reading between 0 to 7.0 Acid
Most productive soils range 4.0 to 9.0 in pH
Lime requirement amount of agricultural limestone needed to establish the desired pH range for the cropping system being used.
colloids the weathering process, some minerals and organic matter are broken down to extremely small particles, they cannot be seen with the naked eye
Ion element with an electrical charge
cation ion with a positive charge
anion. ion with a negative charge
Soil organic matter plant, animal, and microbial residues in various stages of decay. Adequate organic-matter levels benefit soil in many ways. For
Soil depth depth of soil material favorable for plant root penetration.
Created by: Mrs.Stawowy
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