hit77Hit-77 contain Ammonium Salt of Glyphosate 71% SG It is a broad-spectrum and selective herbicide Hit-77 has both contact & residual activity Hit-77 is used as early post-emergenceTop 100 Hits of 1977Top 100 Songs of 1977. Billboard Year-End Hot 100 chart for 1977.Rankings are based on an inverse-point system based on a title's performance (ex. a single on