A tilling apparatus and a method of tilling soils which includes the use of a rotational shaft having a number of cutter assemblies located at spaced apart locations on the shaft in which each cutter assembly has a multitude of blades which rotate as the rotary shaft rotates to form a plurality of spaced apart trenches having the same spacing as the spacing of the cutters, and a width caused by the width of the blades. As the blades dig the trench, the soil contacted by the blades is granulated and is tossed about by the spinning blades so that some soil falls back into the trench and some falls along the periphery of the trench to form rows of aerated granules which promote enhanced growth of plants or seeds in the trench and along the edge of the trench to improve the yield of pasture having the trenches. Various attachments can be provided on the tilling apparatus, either in front of or towards the rear of the spinning blades for different purposes, such as rippers, seeders, levellers, or similar. The advantage of the tilling apparatus is that the soil is formed into granules which are used to form an aerated array of soil granules having enhanced growing properties for plants.

An apparatus for in-situ reconditioning of a media used in an effluent treatment bed is disclosed, in which passage of effluent has become impeded by clogging matter within the media, the bed having been planted with vegetation having roots extending into the media. The apparatus includes a frame supporting a superstructure operable to be disposed above a surface of the bed when in operation, a pair of spaced apart arms having distal ends extending downwardly from the frame, and an agitator extending between the pair of arms and having tines for sub-surface tilling of the media. The agitator is coupled to a drive system operable to cause rotation thereof. A lifter bar is disposed between the arms above the agitator such that when the frame is advanced through the bed the lifter bar passes through the bed below a primary root zone of the vegetation lifting and separating the primary root zone while the agitator tills the media below causing clogging matter to be separated from the media.

A method of stacking dethatchers includes pivoting an upper portion of a handle on a first dethatcher toward a front end of a frame on the first dethatcher, upon pivoting the upper portion of the handle toward the front end of the frame, exposing a rear support point defined by a lower portion of the handle, and stacking a second dethatcher on the first dethatcher so that the second dethatcher is supported on the rear support point defined by the lower portion of the handle and a front support point defined by the upper portion of the handle.

A system and method cuts and increases surface area of surface stubble material while contemporaneously mulching, tiling and aerating the soil. A discoidal coulter blade is configured with sharpened areas at the circumference and one or more inside bevel for cutting the surface stubble as well as reducing the downward pressure required for the blade to enter the type and depth of soil desired. The bevel aids in coulter blade lifespan, ensuring a self-sharpened blade, and allows mating with a second coulter blade.

A method for a cylindrical device includes semi-helically oriented teeth, knives, or blades radially outward from an outer surface of the cylindrical device or rotor is provided. Each tooth, knife, or blade is part of a row of teeth, knives, or blades. Each row is oriented with an offset angle such that the spirally orientation completes angular offset of about 90? or less. The knives may have sharpened edges that are oriented to cut on different planes as the cylindrical device rotates. The knives may be held in place by holders that have configurations to oriented the knives at certain angles.

A soil penetrating apparatus having an automatic tool (e.g., aerator tine) depth control system and method. The system includes an actuator that sets and controls tine depth, a sensor that monitors tine depth, and a controller that controls the actuator in response to the sensor. In some embodiments, the actuator is a hydraulic actuator, wherein once tine depth is set, flow to the actuator is bypassed. A relief may be provided to allow the tines to lift to a shallower depth temporarily when soil hardness exceeds a threshold. The system may then automatically return the tines to the pre-selected depth once soil conditions permit.

A tool for tilling and comminuting in a tool carrier with rotor which is rotatable about the rotor axis, the tool is received in a receptacle of the tool carrier arranged on the rotor. The receptacle is formed by a first face provided in the cutting direction and second face on which the tool is fastened by means of its face which faces away from the cutting direction, the tool has a body which has an end face in the direction of rotation of the rotor and a rear face opposite the end face. The rear face is inclined by 1 to 10 with respect to the end face and the tool is braced and held between the face in the cutting direction of the receptacle and the face of the receptacle that faces away from the cutting direction, play is left between the tool and receptacle base.

An agricultural working device, such as a mulcher, is improved with a working rotor which is driven by a drive shaft and a cutting rail with a cutting edge which can be directed towards the working rotor. Sensors for acquiring parameters of working rotor and/or cutting rail are provided. An electronic control apparatus is provided with at least one encoder to set the cutting rail. A method for setting the position of a cutting rail of a working device, such as a mulcher, relative to a working rotor, is configured in such a way that the rotational speed of a drive shaft and the rotational speed of the working rotor are measured and compared with one another. When a ratio of the rotational speeds differs by a predefined threshold, a change in the position of the cutting rail is brought about.

A land clearing attachment for a tractor device includes semi-helically oriented teeth, knives, or blades radially outward from an outer surface of a rotor. Each tooth, knife, or blade is part of a row of independent teeth, knives, or blades. Each row is oriented with an offset angle such that the spirally orientation completes angular offset of about 90? or less. The spiral or helical orientation of the cutting teeth, knives, or blades enables the power to be reduced typically required to effectively rotate a similarly sized rotor.

A plant vine chopper rotor drum assembly is provided for use in chopping machines. The rotor drum assembly has a plurality of rotor rings each ring having a plurality of angled blades that effectively cooperate with each other to guard each blade and the drum against the wrapping of clogging fibrous strands and other clogging material around the drum. The chopper rotor drum assembly incorporates a plurality of rotor rings spaced along and encircling and attached to a main drum tube and distributed in a cutting zone along and surrounding the longitudinal rotational axis of the drum tube with each rotor ring having a pair or a plurality of pairs of cutting blades attached to respective alternately angled mounting tabs that alternate to the left and to the right to the general plane of the rotor ring.