Rooting hormones are not allowed in CNG production. These hormones are synthetically derived and are…
CNG does not require that compost be OMRI-listed, we just ask farmers to verify with their supplier that the compost is:
–properly composted (i.e. they are monitoring the C:N ratio, temperatures, and turning schedule)
–not made from biosolids
–free from prohibited additions of synthetic fertilizers
Just a simple phone call or email to the supplier is sufficient.