The challenge of unwanted materials in Paddy Rice

Most farmers in the north of the country face the challenge of unwanted foreign materials which forms part of the harvested/trashed rice.Most often,rice produced in the north of the country is contaminated with stones,weeds, sand etc.It is therefore important that in the process  of developing value chains in the northern sector of the country, attention is paid to the production of rice that is free from foreign materials.