A first rear member is spaced apart from the front member and positioned generally parallel to the front member. A first pair of first pivotable arms are generally parallel to each other. The first pair of first pivotable arms are rotatably connected to the front member at two front pivot points. The first pair of first pivotable arms are rotatably connected to the rear member at two rear pivot points. At least one first opener (e.g., nutrient knife or projecting, ground-engaging member) extends downward from or with respect to the first rear member.

A data processor determines whether a draft force on the implement is unbalanced based on an error between the observed implement angle and a target implement heading exceeding a threshold deviation. The data processor is adapted to generate a control signal to compensate for the imbalance in the draft force by adjusting the first lateral position via the first actuator, or by adjusting the second lateral position via the second actuator, the first actuator and the second actuator being positioned on opposite lateral sides of the implement.

A data processor determines whether a draft force on the implement is unbalanced based on an error between the observed implement angle and a target implement heading exceeding a threshold deviation. The data processor is adapted to generate a control signal to compensate for the imbalance in the draft force by adjusting the first lateral position via the first actuator, or by adjusting the second lateral position via the second actuator, the first actuator and the second actuator being positioned on opposite lateral sides of the implement.

A computer-implemented method includes obtaining a weed map of a field including a crop, the weed map representing weed plant locations on the field, identifying, based at least in part on the weed map, weed seed locations that represent presence of weed seeds on the field, and generating a control signal for a pre-emergence weed mitigation operation based on the weed seed locations.

A computer-implemented method includes obtaining a weed map of a field including a crop, the weed map representing weed plant locations on the field, identifying, based at least in part on the weed map, weed seed locations that represent presence of weed seeds on the field, and generating a control signal for a pre-emergence weed mitigation operation based on the weed seed locations.

A seeding boot, for a seeding apparatus mountable on a tyne, or adjacent a soil-opening disc, of a tillage implement, has a hollow boot body mountable adjacent the lower end of the tyne or lower portion of the soil-opening disc. A seed distributor in the boot body has a seed inlet connectable to a source of seeds; at least one seed outlet spaced laterally from the tyne or soil-opening disc; and at least one fertilizer or chemical distributor located rearwardly of the tyne or the soil-opening disc. The seed outlet(s) are provided at, or adjacent, the distal ends of laterally-extending hollow wings, which extend from the seed distributor. When two fertilizer or chemical distributors are provided, the first distributor is connected to dry or granular fertilizer; while the second distributor is connected to liquid fertilizer or chemical(s); the outlet from the second distributor is located intermediate the tyne or soil-opening disc and the outlet from the first distributor; and the outlets of the first and second distributors are at a reduced depth in the soil relative to the seed outlet(s).

A seeding boot, for a seeding apparatus mountable on a tyne, or adjacent a soil-opening disc, of a tillage implement, has a hollow boot body mountable adjacent the lower end of the tyne or lower portion of the soil-opening disc. A seed distributor in the boot body has a seed inlet connectable to a source of seeds; at least one seed outlet spaced laterally from the tyne or soil-opening disc; and at least one fertiliser or chemical distributor located rearwardly of the tyne or the soil-opening disc. The seed outlet(s) are provided at, or adjacent, the distal ends of laterally-extending hollow wings, which extend from the seed distributor. When two fertiliser or chemical distributors are provided, the first distributor is connected to dry or granular fertiliser; while the second distributor is connected to liquid fertiliser or chemical(s); the outlet from the second distributor is located intermediate the tyne or soil-opening disc and the outlet from the first distributor; and the outlets of the first and second distributors are at a reduced depth in the soil relative to the seed outlet(s).

A system for dispensing seeds and a treatment. The system includes a first tube for dispensing the seeds via a first outlet, a second tube for dispensing the treatment via a second outlet, and a first valve at an upper portion and a second valve at a lower portion of the second tube. The second outlet is located between the discs of a furrow-opening wheel. The first valve is positioned outside of the furrow during operation and controls movement of the treatment from a container into the second tube. The second valve controls release of the treatment from the second outlet into the furrow. The second valve may open and close in response to pressure exerted by the treatment in the second tube. Depending on the treatment, the valves may release the treatment on, adjacent to, or both behind and in front of the dispensed seeds.

A system for dispensing seeds and a treatment. The system includes a first tube for dispensing the seeds via a first outlet, a second tube for dispensing the treatment via a second outlet, and a first valve at an upper portion and a second valve at a lower portion of the second tube. The second outlet is located between the discs of a furrow-opening wheel. The first valve is positioned outside of the furrow during operation and controls movement of the treatment from a container into the second tube. The second valve controls release of the treatment from the second outlet into the furrow. The second valve may open and close in response to pressure exerted by the treatment in the second tube. Depending on the treatment, the valves may release the treatment on, adjacent to, or both behind and in front of the dispensed seeds.

A first rear member is spaced apart from the front member and positioned generally parallel to the front member. A first pair of first pivotable arms are generally parallel to each other. The first pair of first pivotable arms are rotatably connected to the front member at two front pivot points. The first pair of first pivotable arms are rotatably connected to the rear member at two rear pivot points. At least one first opener (e.g., nutrient knife or projecting, ground-engaging member) extends downward from or with respect to the first rear member.