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Compost Application Practices
To qualify for the Healthy Soils Program, compost must be applied at the following rates:
| Crop Type | Compost Type | Short tons/acre |
| Annuals | Higher N (C:N < 11) | 3-5 |
| " | Lower N (C:N > 11) | 6-8 |
| Perennials/Trees | Higher N (C:N < 11) | 2-4 |
| " | Lower N (C:N > 11) | 6-8 |
| Rangelands | Lower N (C:N > 11) | 6-8 |
If you plan to purchase compost, it must be from a state-certified facility which tests for quality and nutrient content.
To see facilities near you, click here for the map of
Your nearest climate-smart agriculture specialist can also provide you with more specific info on pricing, delivery, and spreading options in your area.
To see the guidelines of how to produce your own on-farm compost, or to see how the compost application rates were chosen, check out the CDFA Compost Application Rate White Paper.