An herbicide is one of the agricultural chemicals used in the agriculture management program. This weed management product effectively kills weed so that seeds can be timely sowed. Without weeds, the crops will have all the sunlight, nutrition and soil water content. This cost-effective glyphosate 41% SL herbicide must be diluted in water before applying to the crops or land by the spraying method. Glyphosate 41% SL is ideal for tea and other crops for killing kalm grass, imperata cylindrical, polygonum perfoliatum, etc.