Patent ID: 7107917
Filing Date: 2006-09-19
Classification: A01B,A01C,Y02A,Y02P,Y10S

Abstract:
1. An agricultural implement which is so structured as to be suitable far inserting granular materials into the ground, the implement comprising: a knife having an angled blade to create a slit-opening in the ground; wherein the angled blade is mounted so that, at a vertical cross-section of the angled blade in a plane generally perpendicular to the knife-edge, taken below the ground surface, substantially no point in or on the angled blade at the vertical cross-section is vertically lower in the ground than the knife-edge at that vertical cross-section, and ′wherein the over-surface of the angled blade is so angled that, when the blade is drawn through the ground. the over-surface lit the ground upwards.