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- Model 3,6A - Grain-Fertilizer Seeder

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ASTRA 3,6А is designed for row sowing of cereals and legumes with simultaneous application of mineral fertilizers. The Seeder ASTRA 3,6A is the basic model in the family of row-type grain seeders. As from 2013, the model is offered with a 1.5-times increased volume of bunkers. The seeder is equipped with a device for overlapping of a part of grain seeding units to form a wheel track for under intensive cropping technologies. The three seeders ASTRA 3,6A with the coupling SP-11G compose the hydraulic wide-span unit for grain crop sowing. The seeders in the aggregate are interconnected chequerwise. The coupling can be linked to tractors with engine capacity of 150 hp and above in a trailed way. The seeder is equipped with hydraulic markers controllable from the tractor driver’s cabin. In the transport position, the coupling width is 2.4 m, which allows for movement on public roads.

The seeder with the coupling unit SP-11G increases productivity by 1.5-2 times. ASTRA 3,6А – for row sowing with double-disc, one-line openers with displaced discs and finger earthing devices. ASTRA 3,6A-04 – for close-row sowing with double disc, two-line openers with displaced discs and finger earthing devices. ASTRA 3,6A-06 – for row sowing with double-disc, one-line openers with displaced discs and press wheels. Features seed and fertilizer hoppers of increased volume The design of the unit “opener and press wheel” allows for more accurate, with an interval of 1 cm, adjustment of the depth of sowing, while also compacting soil surface, which affects the uniformity of germination and increases productivity.

The seeding rate is set by adjusting the effective length of the coil; group adjustment of sowing unit’s valves; and, changing speed of sowing units’ shafts. The fertilizer application rate is adjusted by a knob. The gearbox has six gear ratios, which can be switched using the lever.

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