Farm child standing by cart containing harvested rice. He has just had are freshing wash in well water. - - Integrated Pest Management (IPM) in Rice in Cambodia: TCP/CMB/4556. Integrated Pest Management (IPM) is used by farmers to manage their rice crop without resorting to prescriptive solutions such as pesticides. Farmers are trained in IPM by an approach that allows them to discover for themselves how their decisions affect