Do fish meal, blood meal, and bone meal have to be organic to be used as soil amendments?
No, they do not have to be organic. However, to be used in organic production, such products must not contain synthetic fertilizers, preservatives, or other prohibited materials in their ingredient lists. Once again, when in doubt, check with your certifier before purchasing or applying such a product. 4. If the manure used in an organic system comes from animals that have been treated with chemicals would the system still be considered organic? There is no requirement that manure has to be from an organic animal to be used as a fertilizer on an organic farm. The manure can come from a conventional herd but you need to keep in mind that the fertility management system cannot contaminate crops, soil, or water with heavy metals, pathogens, excess nutrients, or prohibited materials. If the manure source is contaminated with heavy metals, pathogens, or pesticides, it may not be appropriate to use. So you need to keep records on the source of the manure and information about the management