... blade : We produce discs for plows, harrows and drill disc blades for direct seeding, in various formats: concave (plain or notched), straight ... different types of equipment and crops.All disc blade are manufactured from steel plates produced by exclusive ... tiller,potato planter,potato harvester,cultivator,subsoiler,seeder,box blade,ridger,ditcher,stubble cleaner,hole digger, fertilizer spreader, ...