SPOOL PLANTING UNIT FOR SMALL GRAIN CULTURES

摘要

FIELD: agriculture. ^ SUBSTANCE: seeding unit includes a body, a spool and a damper. On the outer cylindrical surface of the spool there are from 14 to 18 ribs, forming sloped helical grooves. The grooves are placed at an acute angle of 12 Ç 17 to the center line of the spool. The volume of the grooves is made multiple to the planted seeds size. Cross sectional area of grooves is from 6 to 7.5 mm2. The diameter of the projections is less than the outer diameter of end collars of the spool. ^ EFFECT: use of the invention enables to carry out high-quality seeding of small grain crops with a uniform distribution of seeds over the area of nutrition and with the reduction of injury. ^ 3 cl, 9 dwg