Rotary John Deere harrow hoe John Deere 9 meters under MTZ from the USA, Odesa region.

Harrow —rotating hoe rotating hoe intended for pre-emergence and post-emergence harrowing of field crops (cereal, fallow, technical crops) with the purpose of:
• surface soil loosening and aeration,(//tractor-service.com)
• destruction of filamentous weed seedlings.
The unit is designed according to the scheme of a spring-loaded swinging lever. The flexibility of the lever is provided by a spring that exerts pressure on the soil with the help of twogeared wheels, located on one lever, and when rotated creates an explosion effect, loosens the soil without causing damage to the plant.
The distance between the rows is adjustable from 10 cm. The unit is available in a hydraulic version and a three-point linkage.