Abstract: An improved liquid chemical applicator is provided and consists of a mechanism that can activate a plurality of spray nozzles to apply a plurality of overlapping sprays of liquid chemical at a constant height, at a constant pressure and at a proper direction onto horizontal, vertical and angular surfaces to form a uniform coating thereon.

Abstract: To prevent the development of clods on the soil surface when using a soil layer cultivator for the deep loosening of a field or the like, a pressure roller is provided to travel over the soil surface rearwardly of the elements effecting the deep loosening of the soil. The pressure roller is made up of several sections mounted on a common shaft with the individual roller sections located between support posts on a frame tube which posts support the loosening elements. The roller sections may be hinged individually or in groups to the frame tube. The rollers may roll freely over the soil surface or a forced drive for the roller sections can be provided.

Abstract: A multi-row vineyard cultivator for cultivating a plurality of generally parallel rows of grape vines simultaneously having a wheeled framework adapted to travel over the rows with first and second outriggers mounted on the framework extending from the framework in a direction generally perpendicular to the line of travel so that they overlie a row on each side of the framework. A downwardly depending post is provided on each of the outriggers. Cultivator assemblies are mounted on each of the posts which are adequate for one row. A hydraulic actuator is provided for moving the post and the cultivator assemblies carried thereby longitudinally along the outrigger associated therewith.