Related by context. Frequent words. (Click for all words.) 65 stripe rust 65 soybean rust 65 pigweed 64 nematode 62 nematodes 62 resistant varieties 61 fungicides 61 Asian soybean rust 61 insect pest 61 ryegrass 60 foliar 60 soybean varieties 60 crop rotations 60 transgenic crops 59 conservation tillage 59 fusarium 59 transgenic plants 59 glyphosate 58 tillage 58 Glyphosate 58 powdery mildew 58 whitefly 57 aphids 57 armyworms 57 seed germination 57 spider mites 57 fungicide 57 herbicides 57 insect pests 57 oilseed crops 57 aphid 57 agronomic 56 Roundup Ready 56 perennial grasses 56 broadleaf weeds 56 insect resistant 56 tall fescue 56 Soybean rust 56 fungal diseases 55 Bt cotton 55 stem rust 55 mycotoxin 55 forage crops 55 winterkill 55 nitrogen fixation 55 Herbicide 55 root rot 54 oilseed rape 54 herbicide 53 thrips 53 Herbicides 53 defoliation 53 mycotoxins 53 antimicrobial resistance 53 woody plants 53 Integrated Pest Management 53 pest 53 corn silage 52 pyrethroids 52 Fusarium 52 soybean planting 52 crops 52 crop residue 52 Bt 52 cereal crops 52 soil compaction 52 nutrient deficiencies 52 grain sorghum 52 horticultural crops 52 genetic variability 52 cotton acreage 51 infestations 51 Wolbachia 51 pests 51 Bt corn 51 soybean growers 51 rotational grazing 51 varroa 51 noxious weed 51 pathogen 51 invasive weed 51 transgenic 50 biotech crops 50 cultivars 50 USDA ARS 50 sweet sorghum 50 red clover 50 noxious weeds 50 Miscanthus 50 broadleaf 50 cowpea 50 turfgrass 50 soil fertility 50 Aphids 50 corn acreage 50 Atrazine 50 stover 50 livestock manure 50 soybean acreage 50 biofuel crops 49 wheats