Related by context. Frequent words. (Click for all words.) 60 spraying pesticides 56 Aerial spraying 56 pesticide spraying 55 leafy spurge 54 weeds 53 spraying 52 Weed Control 52 aerial spraying 52 Spraying 52 invasive weeds 50 whiteflies 50 Herbicides 50 fertilizing 50 defoliate 50 cattle grazing 50 noxious weeds 50 cattle graze 49 herbicides 49 fallowing 49 cutworms 49 sprayings 49 Eurasian milfoil 49 herbicide 49 noxious weed 49 Fungicides 49 knapweed 49 broadleaf weeds 49 weed abatement 49 ryegrass 48 fumigating 48 grazing 48 pampas grass 48 mesquite trees 48 salt cedar 48 fireweed 48 alfalfa 48 vetch 48 Prescribed burns 48 forage crops 48 grazing cattle 48 Irrigated 47 aquatic weeds 47 biocontrol 47 coca crops 47 planting 47 weed 47 whitefly 47 invasive weed 47 herbicide resistant 47 haying 47 thistles 47 spider mites 47 Mulching 46 fumigants 46 weevils 46 psyllids 46 soil compaction 46 nutrient runoff 46 crop dusters 46 cattails 46 crop rotations 46 overwater 46 vegetation 46 blackberry bushes 46 berry bushes 45 borers 45 bindweed 45 harvesting 45 anthracnose 45 tamarisk 45 mulching 45 leaf rust 45 Herbicide 45 graze cattle 45 root rot 45 woody plants 45 irrigating 45 gypsy moth caterpillars 45 Grassland 45 pigweed 45 farming 45 lupines 45 cheatgrass 45 crop dusting 45 larvacide 45 overwatering 45 bollworm 45 fumigation 45 chickweed 45 weed seeds 44 cows graze 44 powdery mildew 44 prescribed burns 44 invasives 44 weed whackers 44 forbs 44 pasture 44 nematode 44 ragwort 44 Weed 44 oleanders