PLANTING UNIT COMPRISING A POINTED MEMBER MOUNTED BETWEEN TWO DISCS FOR OPENING A FURROW, AND MEANS FOR RELEASING SAID MEMBER WITHOUT REMOVING DISCS

摘要

Described herein is a planting unit that includes a frame whereon are mounted:means of opening a furrow in the ground, in the form of two adjacent discs;a pointed member removably mounted on said frame and protruding between said two discs and in the direction of the ground, said member being intended to form said furrow in a V shape,means of retaining said member mounted mobile on said frame between a retaining position of said member and a releasing position; andmeans of actuating connected to said means of retaining