Description Farm general, gallon, 41% glyphosate grass & weed killer, a non-selective, broad spectrum herbicide for agricultural, residential & industrial use in non-crop areas, been used in forestry site preparation, at plant nurseries, & along roadsides & railroads as a way to keep the plants you want & kill every plant you don't, controls over 150 annual & perennial weeds, woody brush, vines, & trees within days of application with no residual soil activity, perfect for large scale application & roundup ready crops, may be mixed with ammonium sulfate, drift control additives, & dyes.