Pneumatic precision seed drill Sigma Hws

disctractor-mountedwith fertilizer applicator

Sigma HWS is the pneumatic planter suitable for no-till planting in presence of high presence of residues and for minimum tillage. Its strength and its construction quality, its simplicity and wide use permit a very high planting reliability up to working speed of 10-12 km/h. The double discs system on gauge wheels ensures a constant working depth even in extremely difficult conditions. The planting unit consists of: front double toothed discs that clean the planting bed; - “Turbo” opener disc, whose name comes from the particular and special angles of the waves, which permits soil penetration in any condition; - 02 “V”-shaped opener discs with central shoe of strong material and side gauge wheels, forming the seeds bed; - small seeds pressing wheels; double small steel discs, for cutting the soil surface and bringing soil to the back compression wheels and covering the wheels; - then back compression wheels “V”-shaped of rubber or of steel. Sigma HWS applications: corn, soya-bean, sunflower, sorghum and many other different seeds.