... suitable for the operations such as soil crushing after plowing, presowing plowing, chessom, clay fertilizer blending, stubbing in the ... is suitable for pulverizing and loosening clods after plowing and for planning the land before sowing on ... mouldboard plow, rotary tiller, potato planting (harvest) machine, cultivator, subsoiler, seeder, leveler, ridger, trencher, stubble cleaner, earth auger, ...