probably concept process ecology studied arthur tansley inspired harper 's concept agroecosystems consider foundation modern agroecology ref name dalgaard dalgaard ''et al'' claim frederic clements 's investigations ecology using social sciences community ecology landscape perspective agroecology well henry gleason 's investigations population ecology plants using different scientific disciplines ref name dalgaard ethnobotanist efraim hernandez x 's work traditional knowledge mexico led new education programs agroecology ref name francis works ''silent spring'' ''the limits growth''
Applied science Agriculture Agroecology