A sowing machine which uses the seed drill concept

Seed drill
Seed drill
Seed drill
Seed-drill and fertilizer
Laboratory measurement of seed drill seed spacing and velocity of fall of seeds using high-speed camera system
PM—Power and Machinery : Performance Evaluation of Various Types of Furrow Openers on Seed Drills—a Review
Performance evaluation of various types of furrow openers on seed drills: a review
Investigations on yield in the cereals: IV. The action of the seed drill
Performances of seed drill coulters in relation to speed, depth and rake angles
The presence of weed seeds in cereal seed drills in England and Wales during spring 1970.
Stand Establishment Responses of Maize to Seedbed Residue, Seed Drill Coulters and Primary Tillage Systems
Effect of soil compaction and water content on the resulting forces acting on three seed drill furrow openers
Influence of Head Geometry on the Distributive Performance of Air-assisted Seed Drills