Among them is corn planter developed by the Farm Machine Institute under the Ministry of Agriculture.

The planter has been introduced into the cooperative farms in Sadong District, Pyongyang City and Jungsan County in South Phyongan Province and many other cooperative farms to be highly appreciated.

The labor-saving one helps economize many seeds, put farming process on an intensive basis. It can be used even in sloping fields.

It can also be used in sowing bean, sunflower and other seeds.

It scientifically ensures seed number per plant, space between plants and depth of seed burying in ground, thus increasing germination rate.

The light planter is simple in structure and operation principle.

According to Kim Song Ho, section chief of the institute, scientists of the institute are working hard to manufacture various kinds of efficient farming machines suited to natural and topographical features of the country and constitution of the Koreans.