how mineral grade rock additives from a part of organic farming ?
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Animal-based fertilizers available to both organic and conventional growers include blood meal, bone meal, feather meal and fish meal. Of these, feather meal (13-0-0) is highest in nitrogen and bone meal (1-13-0) is highest in phosphorus.
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Principles Of Organic Agriculture
- Health
- Ecology
- Fairness
- Care
- Crop Rotation
- Cover Cropping
- Green Manures
- Animal Manures
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