fumigating pesti, pest control. farmer woman spraying tree with manual pesticide sprayer against insects in spring

spraying applicators pesticide weedkiller tree apple woman toxic shock anaphylactic suffocation insecticide spray plant gardening garden herbicide agriculture bioinsect pest chemical nsecticide spring backpack fungicide control outdoor disinfection worker countryside cultivation ecological fumigation branches person fertilizer fruit using aerosol poison work nature pollution treatment disease risk yard nebulizer hand drop