Sixty-seven people are killed or injured by mines and unexploded ordnance.
250 tonnes of ammunition left behind from the civil war are to be destroyed.
Cambodian Mine Action Centre experts find numerous rockets and anti-tank mines left behind from civil war in Malai district.
A farmer found more than 100 UXOs while driving a tractor to plough his rice field in Siem Reap province on Monday.
The Cambodian Mine Action and Victim Assistance Authority (CMAA) issued an advisory on Friday, March 15, that urges people not to handle or tamper with any UXOs they might find.
The Cambodian Mine Action says that 20 people fell victim to UXOs so far this year.
The number of landmine casualties remained stagnant this year.
Kampong Cham police start operation to locate UXOs left in land near headquarters.
The Halo Trust demining NGO has over the past 28 years cleared nearly 300 square kilometres of land.