Novel pesticide compositions having a high concentration of a water-soluble herbicide, and a solid water-insoluble pesticide, for example the herbicide penoxsulam, are provided herein. Compositions of the invention are, among other things, stable upon storage in various thermal environments and exhibit enhanced resistance to settling of the solid particles and/or enhanced resistance to chemical degradation of the water-insoluble pesticide.COMPOSICIÓN ESTABLE QUE COMPRENDE EL PLAGUICIDA SOLIDO INSOLUBLE EN AGUA PENOXULAM, UN SAL HIDROSOLUBLE DE BENTAZON, UN AGENTE REOLÓGICO COMPATIBLE Y UN AGENTE HUMECTANTE-DISPERSANTE.