Fish sludge as fertiliser

Fish sludge as fertiliser

Fish sludge is a residue from aquaculture, containing fish feces and feed spill. It is rich in phosphorus and contain some nitrogen, and it has a good fertilizer effect. However,...

read more
Fish sludge as fertiliser

Fish sludge as fertiliser

Fish sludge is a residue from aquaculture, containing fish feces and feed spill. It is rich in phosphorus and contain some nitrogen, and it has a good fertilizer effect. However,...

read more