© 2024 ~ Cold War Organics
calculate calcium application

IMPORTANT NOTE: The application rate that this form suggests is for Correcting an Imbalance Only and does not include fertilization for crop removal. Application of CWO products (as directed) will provide required fertility.

Calcium (Ca) usually appears on soil test reports as parts per million (ppm) Ca. Occasionally, the value will appear as pounds per acre (ppa) Ca.
To convert ppa Ca to ppm Ca, divide by 2.
Note: Do not use Effective Cation Exchange Capacity (ECEC) where Total Cation Exchange Capacity (CEC) is requested. To convert ECEC to CEC, use the form at the bottom of this page.

Note: Soils that have CEC >15.0 are more difficult to saturate with the desired nutrient. Use the lower end of the normal saturation range where the CEC is very high.

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