Crops intended for human consumption and whose edible portion has direct contact with the soil surface or soil particles require a 120 day pre-harvest interval (PHI). A 90 day PHI is required for those crops whose edible portion does not come in contact with soil particles (i.e. orchard fruit). How the crop is grown and harvested with regards to soil contact will determine which pre-harvest interval is to be used.
Which crops require a 120 day pre-harvest interval when manure is applied?
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