Related by context. Frequent words. (Click for all words.) 61 spacings 55 perennial ryegrass 55 tillage 55 tall fescue 55 crops 55 kg ha 55 agronomic practices 54 bermudagrass 54 #cm #in [001] 54 horticultural crops 54 conventional tillage 54 nutrient uptake 54 brassicas 53 Miscanthus 53 lucerne 53 bioenergy crops 53 Phytophthora 53 crop 53 cereal crops 53 rootball 52 intercropping 52 crop rotations 52 wheats 52 herbicide tolerant 52 harvested acreage 52 irrigated 52 drained soils 52 triticale 52 irrigated crops 52 blackgrass 52 bolls 51 ryegrass 51 rootworm 51 seedbeds 51 overwintered 51 Drip irrigation 51 inoculum 51 irrigations 51 Irrigated 51 nitrogen fixing 51 forage crops 51 soil moisture 51 vetch 51 nematode 50 leaf rust 50 brome 50 sorghum crop 50 forbs 50 rootstocks 50 Bermudagrass 50 alfalfa 50 corn borer 50 irrigated cotton 50 foliar 50 Bollgard 50 upland cotton 50 oilseed rape 50 boll 49 crop yields 49 hectarage 49 sandy soils 49 sowings 49 diametre 49 soil compaction 49 corn rootworm 49 conservation tillage 49 seed germination 49 soybean varieties 49 cutworms 49 buffer strips 49 plantings 49 haylage 49 sugarbeets 49 tines 49 resistant varieties 49 lupins 49 dryland wheat 49 windrow 49 agronomic 49 circumferences 49 cowpea 49 herbicide resistant 48 cultivations 48 herbaceous plants 48 nematodes 48 4cm 48 bpa 48 planting 48 corm 48 sown crops 48 perennial grasses 48 #/#-inch [002] 48 soybean aphid 48 fescue grass 48 sawfly 48 sorghum 48 maize crop 48 shade tolerant 48 bushier 47 soybean aphids 47 herbaceous perennials