Ongjin, Jangyon and Paechon counties of South Hwanghae Province are spraying plant nutrients on the crops according to the specific conditions to improve the nutritional conditions of wheat and barley and promote the ripening of crops, while introducing scientific farming methods according to the characteristics of the varieties, planting date and growth.

By doing so, they are increasing thousand-kernel weight.

Jongju City and Sonchon and Phihyon counties of North Phyongan Province rooted out all the weeds and applied various kinds of agricultural chemicals.

Similar successes have been made by Kumchon, Rinsan and Unpha counties of North Hwanghae Province, Pyongyang Municipality, South Hamgyong Province and Kangwon Province.