Abstract: A plough assembly (100) to be mounted on a beam (10) to be moved in a longitudinal forward direction (12) over a soil layer, having a soil surface, to be worked by the assembly (100), the assembly (100) including: a digging shank (110) to extend downwardly into the soil layer; a digging point (120) having a lowermost extremity (122) and to be fixed to a lower portion (112) of the shank (110); a pivotable connector (130) to connect the digging shank (110) to the beam (10); a fluid cylinder (140) mounted across the pivotable connector (130) such that pivoting of the shank (110) causes movement of the cylinder (140), the cylinder (140) being connected to a plough fluid line (150); a pressure reducing valve (160) connecting the plough fluid line (150) to a fluid circuit (170), the pressure reducing valve (160) being adapted to release fluid pressure from the plough fluid line (150) to the fluid circuit (170) at a pre-determined over-pressure point.

Abstract: An assembly to distribute flowable particulate material, the assembly including: a conduit to which the material is delivered and to which an airstream is supplied to move the material along the conduit to a delivery downstream destination; material delivery means connected to the conduit for delivery of material to the downstream destination; control means operatively associated with the material delivery means to selectively deliver a pre-determined rate of the material to a separator to engage the airstream to concentrate the material in a portion of the airstream, the separator being positioned within the conduit upstream of the material delivery means; air distribution means in constant fluid communication with the separator and the material delivery means to control airflow to the material delivery means.

Abstract: A plough assembly (10) to be drawn by a plough frame that is attached to a prime mover. The assembly (10) includes a digging shank (14) attached to a clamp (11) that is to be attached to the plough frame. Attached to the lower end of the shank (14) is a digging assembly (21). The digging assembly (21) includes a mounting (22) and a digging blade (23). Behind the digging blade (23) is a twin road seeding boot (76). Following the boot (76) is a press wheel (68), with the seeding boot (76) having a transverse width greater than the transverse width of the blade (23).

Abstract: A digging assembly for a plough. The digging assembly has a digging blade assembly that is moved through the soil to form a slot, and a closing tool assembly that forms a seed bed by partly closing the slot formed by the digging blade assembly. Following the closing tool assembly is a seed boot that delivers seed to the seed bed formed by the closing tool assembly.

Abstract: A digging assembly (10) for a plough. The digging assembly (10) has a digging blade assembly (17) that is moved through the soil to form a slot, and a closing tool assembly (29) that forms a seed bed by partly closing the slot formed by the digging blade assembly (17). Following the closing tool assembly (29) is a seed boot (57) that delivers seed to the seed bed formed by the closing tool assembly (29).

Abstract: A closing tool to be attached to a plough frame to engage a soil layer, the tool includes an attachment stem via which the closing tool is attached to the plough frame. Secured to the lower portion of the stem are wear resistant members.

Abstract: A plough assembly (10) to be fixed to a plough frame including a transverse beam (11). The assembly (10) includes a plough shank (13) with a leading surface (14) that is generally upwardly oriented. The lower end of the shank (13) is provided with a digging adapter (24) to which there is attached a digging blade (28). Located behind the adapter (24) is a fertilizer delivery tube (33), while behind the tube (33) is a seed delivery tube (42). A seed bed is formed by a tool (43) that is in front of the tube (42), while behind the tube (42) is a press wheel (39).

Abstract: A seeding assembly (20) for attachment to a cultivating or seeding tine (21). The seeding assembly (20) includes a seed tube (52) movably attached to the tine (21) by parallel linkages (53, 54). A wheel (63) is attached to the seeding tube (52) to regulate the height of the lower extremity (53) of the seeding tube (52) so that a seed is delivered to a seed bed (54) prepared by a closing tool (58) located forward of the seed tube (52).