at doi ang khang chaing mai unidentified gardener spraying an insecticide a fertilizer to his plant

agriculture ang application applying bug carcinogenic care careless chaing chemical conservation danger dec doi environment erosol farmer farming fertilize fertilizer fertilizing flower fruit fungicide garden gardener gardening grow growing harm harmful herbicide his holding insect insecticide khang kill killer leaf lethal mai man mask nature orchard outdoors outside pesticide plant poison poisonous protection protective risk season sprayer spraying tool toxic toxicity treatment tree unidentified