Cultivator KP-4, 2 (trailer), Kyiv region.

KNP cultivator is intended forcontinuous processing and soil mixing:
loosening of the soil of different depth;
removal from the surface of the field of post-harvest residues;
cutting weeds
KNP cultivator is universal and reliable in the most difficult working conditions.(//tractor-service.com)
The trailed cultivator differs little in its functions from its counterpart -mounted cultivator. The fundamental difference lies in the method of fastening the tool to the traction equipment. The main purpose of this unit is pre-sowing soil preparation, as a rule, combining several basic technological operations in one pass:
leveling and loosening of the soil (in this way,the trailed cultivator provides an optimal soil water supply regime);
cutting weeds;
alignment of the field;
compaction of the upper soil layer (allows to retain soil moisture more effectively)