Ammoniated lignin,which is a kind of scrap material in papermaking industry,was used as supplementary fertilizer in seed co ating,its applied effect was studie d,and a newway was explored to use regenerated resource.The results i ndicated that ammoniated lignin Ls -1 could accelerate the growth de-velopment and increase yield of caul iflower and cowpea,and it could be used in pelletized seed coating.