| 摘要 |
FIELD: agriculture. ^ SUBSTANCE: seed drill consists of a seed bin, dosing unit, seed box, jet, delivery line, drill tube. The seed box is made in the form of a cylinder, the diametre of which equals four outer diametres of the jet. The ratio of outer and inner diametres of the jet is 3/1. The jet is placed in a way that its reference axis and reference axis of the seed box fit between each other. ^ EFFECT: evenness and rate of seeding. ^ 1 dwg |
