The rotary cultivator can realize deep cultivation of soil under the action of the deep plough blade group and realize shallow crushing of soil under the action of the clod crushing blade group.

Over-exploited water resources, deforestation and inappropriate cultivation of grasslands have dried up lakes and eroded soil.

Using traditional techniques such as crop rotation, compost and manure to supply the soil with nitrogen and other minerals would have required a tripling of the area under cultivation.