Teachers of Kye Ung Sang College of Agriculture of Kim Il Sung University completed the research into the efficacy of active phosphoric acid treatment of seeds of crops which scientifically clarified its influence on the growth and yield of rice and maize seeds and introduced it into agricultural production.

The researchers of the Bioengineering Branch succeeded in breeding virus-free potato and establishing the system of selecting its seeds, preventing epidemic of potato and remarkably increasing its yield.

Teachers and researchers of Kim Il Sung University developed and introduced an automatic control system of lifting electrodes on the basis of the study of scientific method of estimating the melting stage of the UHP electric arc furnace at the Chollima Steel Complex to suit specific conditions.

Researchers of the Control Machine Institute under the State Academy of Sciences, in cooperation with workers of the Chollima Steel Complex, settled the issue of rationalize the amount of feeding material at revolving furnaces at the Posan Iron Works and its supply, production and management and established an automation control system of production processes.

Teachers and researchers of Kim Chaek University of Technology introduced advanced rolling process technology at the Kim Chaek Iron and Steel Complex and established a new billet production system by relying on locally available fuel. They built a new heating oven based on high-temperature air combustion technology in the heat rolling shop in cooperation with workers of the complex.

Scientists of the Sunchon area anthracite excavating research field studied and rounded off new inertial-type loading and transporting equipment in cooperation with technicians of the Chonsong Youth Coal Mine.

Technicians and officials of the Rakwon Machine Complex manufactured a large oxygen plant whose total mass is one third than that of the preceding one and power consumption is half as compared with it.

Many scientific and technological achievements were reported from the research institutes. They include successes made in establishing a new-type trolley bus production process and increasing the streptomycin production capacity.