Related by context. Frequent words. (Click for all words.) 66 fumigant 63 pesticides 61 pesticide 61 chlorpyrifos 60 pyrethroids 59 malathion 59 toxic pesticides 59 methyl iodide 57 fungicides 57 insecticides 56 carbofuran 56 Herbicides 55 paraquat 55 organophosphates 55 Pesticides 54 herbicides 54 methyl bromide 54 atrazine 54 insecticide 54 synthetic pesticides 54 Pesticide Regulation 53 rodenticides 53 chemicals 52 nitrogen fertilizers 52 weed killers 52 wood preservative 51 imidacloprid 51 fungicide 51 rotenone 50 Pesticide 50 Glyphosate 50 herbicide 50 pesticide applicators 50 pesticides herbicides 50 foggers 49 antimicrobials 49 pesticide drift 49 Herbicide 49 hexane 49 VOC emissions 49 Nitrates 48 foliar 48 chemical sprays 48 spraying pesticides 48 nematodes 48 biocide 48 manures 48 transgenic plants 48 Atrazine 48 bio solids 48 synthetic fertilizers 47 organic solvents 47 livestock manure 47 VOCs 47 nitrogen fertilizer 47 solvents 47 suspected carcinogen 47 airborne pollutants 47 fertilizers 47 glyphosate 47 toxic chemicals 46 Bacillus thuringiensis 46 alfalfa 46 mulches 46 perchlorethylene 46 carcinogenic chemicals 46 particulate matter emissions 46 Integrated Pest Management 46 chloramine 46 sugar beets 46 Roundup Ready alfalfa 46 volatile organic compounds 46 chemical fertilizers 45 toxicants 45 compost piles 45 alkaloids 45 phosphorus 45 permethrin 45 whiteflies 45 fire retardants 45 Btk 45 naturally occurring bacteria 45 ozone concentrations 45 toxic substances 45 surfactants 45 ethylene oxide 45 broadleaf weeds 45 lawn fertilizers 45 aerial spraying 45 residues 45 plasticizers 45 propylene oxide 45 crop rotations 45 nitrous oxides 45 fumigation 45 insect repellents 44 nitrogen 44 psyllids 44 crop residue 44 beneficial insects 44 chemical vapors