The present disclosure relates to soil treating systems and shearing assemblies for use in forestry operations. Embodiments of soil treating systems according to the disclosure include a movement assembly having a front end and a back end a shearing assembly mounted on the front end of the movement assembly and leveling assembly mounted on the back end of the movement assembly. In some embodiments shearing assemblies are inverted V type shearing assemblies. Further aspects of the disclosure are directed towards methods for using soil treating systems and shearing assemblies for preparing land for interplanting an energy crop with a primary crop.