Therefore, the illustrative embodiments provide a computer implemented method and system for determining individual resource needs for each plant in a plurality of plants. Current conditions are identified using a sensor system. A plurality of per plant prescriptions are calculated for the plurality of plants using the individual resource needs and the current conditions. A resource is obtained from a selected resource source in a number of resource sources. The resource is stored in a mobile utility vehicle and applied from the mobile utility vehicle to each plant in the plurality of plants according to the plurality of per plant prescriptions.