Mounted rotary hoe, Kirovohrad region.

A rotary mounted hoe is an agricultural implement, the working organs of which are sun-shapedwheels with a diameter of 520 mm, of a special shape, assembled in blocks in a unit. The main purpose of the MRN is pre-emergence and post-emergence harrowing of field crops (cereal, plowed, technical crops) with the aim of surface loosening and aeration of the soil, destruction of filamentous weed seedlings.

Whenmovement of the tractor,the wheels begin to spontaneously rotate (like disc guns), digging into the soil to a depth of 3-5 cm, due to which the surface crust is destroyed. At the exit of the wheel beam, a micro-explosion emerges from the ground, thanks to which air is injected into the soil. As a result, nitrogen contained in the air passes into the fertile soil layer and is absorbed by plants.
Advantages:
• Forged, hardened, saturated with carbon, quick-change;
• The wheels are a pendulum mechanism that copies the topography of the soil;
• 2-stage spring adjustment for changing the load on the ground;
• Reinforced rack;
• Hub bearing - double roller;
• Quick-change working bodies;
• Hinged device - universal, does not require external assistance.
Technical characteristics:(//tractor-service.com)
Working speed, km / h 15
Working width of capture, m 5.8
Productivity, ha / h 7
Processing depth, cm 2-5
Number of sections, pcs. 33
Number of working bodies, units 66
Wheel diameter, mm 520
Distance between working areas, mm from 70
It is aggregated with tractors, class 1,4 and 2
Service personnel, people 1 (tractor driver)
The method of aggregation by Vesnoy

Link: http://agroremmash-plus.com/index.php/tekhnika-dlya-zernovykh-kultur/motyga-rotatsionnaya-navesnaya