Related by context. Frequent words. (Click for all words.) 68 pesticides herbicides 65 fertilizers pesticides 65 pesticides 63 synthetic pesticides 61 pesticides fertilizers 59 chemical fertilizers 59 chemicals 59 synthetic fertilizers 59 artificial fertilizers 58 fertilizers 58 weedkillers 57 inorganic fertilizers 57 manures 57 nitrogen fertilizers 57 pesticide 56 synthetic fragrances 55 pyrethrins 55 Paraquat 55 diazinon 55 agrichemicals 55 toxic solvents 55 liquid fertilizers 55 fumigants 54 corrosives 54 mold fungi 54 Volatile organic compounds 54 Chlorpyrifos 54 Grass clippings 54 herbicides 54 insecticides 54 weed killers 54 spinosad 54 Methyl bromide 54 carbon tetrachloride 54 wood preservatives 53 Herbicides 53 Malathion 53 phosphine 53 thinners 53 Fertilizing 53 chlordane 53 rodenticides 53 pyrethrin 53 fish emulsion 53 carbaryl 53 lawn fertilizers 52 chemical sprays 52 rice hulls 52 organophosphate 52 fluorocarbons 52 fertilizer 52 Nitrates 52 Pesticides 52 hydrated lime 52 dieldrin 52 halogenated 52 toxic residues 52 clog pores 52 pollute waterways 52 sulfuryl fluoride 52 cottonseed meal 51 alkaline soils 51 acidifying 51 soil fumigant 51 fertilizing 51 livestock manure 51 Anhydrous ammonia 51 agro chemicals 51 toxicant 51 pre emergent herbicide 51 soil salinity 51 Methylmercury 50 belladonna 50 composted manure 50 triclocarban 50 Nitrogen oxides 50 organochlorine pesticides 50 insect repellants 50 solvents 50 toxic pesticides 50 fertigation 50 phosphorus runoff 50 oxalic acid 50 castor bean plant 50 diatomaceous earth 50 poisons 50 TFN NEWS BRIEFING Pharmaceuticals 49 pyrethroids 49 tannic acid 49 malathion 49 fumigations 49 Invasive plants 49 comfrey 49 benzoic acid 49 chemical 49 contaminate groundwater 49 Asbestos fibers 49 nitrates 49 Kuan Yin Taiwan 49 sludges 49 naturally occurring bacteria