Unryul and Sinchon fruit farms in South Hwanghae Province turned out polysulfide barium, which is much less than imported agrochemicals in cost and effective in sterilization.

The Sukchon Youth Fruit Farm in South Phyongan Province developed a new addictive that helps save 50 percent of various kinds of agrochemicals and extend their duration.

Meanwhile, Sariwon and Samchon fruit farms in North and South Hwanghae provinces produced a large quantity of vegetable agrochemicals.