Recently, the Global Environment Science Faculty of Kim Il Sung University scientifically proved the effectiveness of mustard, sunflower and other plants in removing pollutants and developed a new technology for removing soil contamination.

The application of the new technology proved that it helps prevent pollution, protect land and remarkably increase grain production even in the soil containing many metals.

It has not impact on environment and prevents soil from being washed away. This new technology is popular among many units for its economic interests.