PYONGYANG, June 24 (Xinhua) -- Democratic People's Republic of Korea (DPRK) researchers have developed an effective agro-sterilizer using nanotechnology, official news agency KCNA reported Thursday.
KCNA said the sterilizer was developed by the Academy of Agricultural Science and used bactericidal elements that were nanoprocessed separately and mixed before use.
It was sprayed mainly on seeds in treatment and crops during the growing period to prevent diseases taking hold.
Some farms said the effect of a little amount of sterilizer was higher than tens of kilograms of iron sulphate, according to the Central Information Agency for Science and Technology.
The sterilizer has also been used to kill harmful insects during cultivation of rice, bean, cucumber and red pepper.