Claim 1: a herbicide composition comprising, as Active Ingredients, nicosulfuron or its salt (a) and (b) s-metolachlor or its Salt.Claim 2: a method for controlling undesired plants or inhibiting their growth, which comprises applying an effective amount of herbicide nicosulfuron as (a) or its Salt and an effective amount of (b) as herbicide s-metolachlor or its Salt, unwanted plants or to a place where it grows N.Claim 5: The herbicide composition according to claim 1, which also contains, as an active ingredient, (c) at least one member selected from the group consisting of terbuthylazine, mesotrione, prosulfuron, biciclopirona and its Salts.Claim 6: The Method according to claim 2, where a number of effective herbicide and (c) at least one member selected from the group consisting biciclopirona terbuthylazine, mesotrione, prosulfuron, and its Salts are also applicable to unwanted plants or in a place Where they grow.Винахід стосується гербіцидної композиції, що містить (а) нікосульфурон або його сіль і (b) S-метолахлор або його сіль та щонайменше одного представника, вибраного з групи, що включає тербутилазин, просульфурон та біциклопірон і їх солі у відповідних співвідношеннях.