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An introduction to soil acidity and liming for farmers and gardeners to increase crop income and improve lawn and garden performance. Topics covered include soil pH, soil testing, liming standards and application and incorporation of lime into soil.
Nearly all North Carolina soils are naturally acidic and need lime, which neutralizes the acidity, for optimum growth of crops, forages, turf, trees, and many ornamentals. Nature and cause of acidity, benefits of proper lime usage, soil testing and target pH, liming materials and lime application and incorporation are presented in this publication.
Plants differ in their tolerance to soil pH. This publication provides information on determining the target pH for different crops and calculating the appropriate amount of materials to reduce soil pH when necessary.
Hazard Analysis and Critical Control Point (HACCP) techniques are becoming the accepted norm for controlling the safety of foods. Each plant should have its own written plan to incorporate HACCP principles in the operation. This factsheet is assembled to provide some general guidance in developing a HACCP plan for use in an acidified foods operation.
