Related by context. Frequent words. (Click for all words.) 87 fungicides 74 herbicide 70 insecticide 70 glyphosate 67 herbicides 66 powdery mildew 64 insecticides 63 ryegrass 60 pesticide 56 soybean rust 56 resistant varieties 56 thrips 56 aphids 56 aphid 55 fungal diseases 55 insect pests 55 nematodes 54 nitrogen fertilizer 54 cultivar 54 root rot 54 nematode 53 pesticides 53 oilseed rape 53 defoliation 53 biocide 53 mulches 53 Asian soybean rust 53 fumigant 53 crabgrass 53 fertilizer 52 malathion 52 Roundup Ready 52 agronomic 52 sprayer 52 atrazine 51 corn gluten 51 Bt 51 insect resistant 51 weed killer 51 alfalfa 51 Insecticides 51 cultivars 50 soil pH 50 Fusarium 50 fungal 50 grain sorghum 50 pest 50 Insecticide 50 Atrazine 49 antibiotic 49 weed killers 49 pests 49 spray 49 Bt corn 49 permethrin 49 Syngenta 48 turfgrass 48 borers 48 Bt cotton 48 neem 48 potting mix 48 weevils 48 seedling 48 nitrogen fertilizers 48 applicator 48 spraying 47 germination 47 soybean crop 47 fertilizers 47 plantings 47 fungus 47 artemisinin 47 tillage 47 rootstock 47 weeds 47 aerial spraying 47 sprays 47 crop 46 ornamentals 46 nitrogen 46 anti fungal 46 drought tolerant 46 stink bugs 46 soybean growers 46 rotenone 46 fungal disease 46 active ingredient 46 larvicide 46 Spraying 46 salicylic acid 46 mildew 46 Fertilize 46 canker 46 applicators 46 crops 45 infestations 45 weed seeds 45 cereal crops 45 aflatoxin 45 fertilizing 45 insect