Related by context. Frequent words. (Click for all words.) 62 perennial grasses 59 bermudagrass 59 forbs 58 forage crops 58 perennial ryegrass 58 oilseed crops 57 seeds germinate 57 crop residues 56 cereal crops 55 inoculum 55 seed germination 55 ryegrass 55 brassicas 54 tall fescue 54 wheat oats 54 seedbeds 54 tillage 54 harvested acreage 53 crop residue 53 crop rotations 53 corn sorghum 53 desiccation 53 saturated soils 52 forages 52 crops 52 weed seeds 52 Herbicides 52 foliar 52 transgenic plants 52 Fungicides 52 grain sorghum 52 salt tolerant 52 sowings 52 legumes 51 oilseed crop 51 herbicide tolerant 51 agronomic practices 51 Fertilizing 51 grasses 51 broadleaf weeds 51 Drip irrigation 51 overseeded 51 western Corn Belt 51 sown crops 51 woody plants 51 nitrogen fixing 51 kg ha 50 nitrogen fertilizers 50 rotational grazing 50 sugarbeet 50 corn silage 50 rye grass 50 feedstuffs 50 horticultural crops 50 upland cotton 49 coarse grains 49 bollworm 49 Glyphosate 49 alfalfa 49 cultivations 49 cabbage broccoli 49 linseed 49 herbaceous plants 49 spurge 49 winterkill 49 drought tolerant 49 cereal grains 49 silage 49 triticale 49 pigweed 49 hay meadows 49 overseeding 49 coarse grain 49 Temik 49 monocultures 49 resistant varieties 49 bolls 49 shade tolerant 49 conservation tillage 49 fertile soils 49 soybean aphid 49 manures 49 germination 49 distiller grains 49 planted acreage 48 Phytophthora 48 biofuel feedstock 48 prairie grasses 48 chinch bugs 48 insect resistant 48 reseeded 48 rootworm 48 corn acreage 48 temperate zones 48 irrigated crops 48 flowering bulbs 48 vetch 48 native grasses 48 Bt crops 48 transgenes 48 sugar beet crop