farmer sprays fungicides and pesticides in garden to protect plants from diseases and destroy pests

agriculture chemical control cultivated danger destroy disease diseases farm farmer farming fertilizer fruit fungicide fungicides garden gardening growing growth herbicide horticulture industrial insect insecticide liquid nitrogen nozzle pest pesticide pesticides pests phytosanitary plant plants poison production protect protective pulverize pump shower splashing spray spraying sprays sprinkling substance toxic toxin treatment vegetable virus weedkiller worker working