Related by context. Frequent words. (Click for all words.) 56 soil salinity 55 seed germination 54 arable crops 54 fertile soils 54 pasture grasses 54 mycelium 53 nutrient uptake 53 vetch 52 herbicide resistant crops 52 longleaf 52 tillering 52 bioenergy crops 51 plankton blooms 51 Phytophthora 51 horticultural crops 51 salination 51 flowering 51 mycorrhizal fungi 51 Nematodes 50 glyphosate resistant weeds 50 Drip irrigation 50 Fertilizing 50 woody vegetation 50 blackgrass 50 eucalypt 50 deciduous forests 50 cereal crops 50 herbaceous plants 50 flowering annuals 50 moist soils 50 desiccation 50 genetically modified canola 50 sphagnum moss 50 perennial herb 50 cultivations 49 woody plants 49 hydrologic cycle 49 saltbush 49 acidic soils 49 seeds germinate 49 plantlets 49 winter hardiness 49 sooty mold 49 agronomic practices 49 parasitic wasp 49 cultivation 49 riparian vegetation 49 melaleuca 48 soils 48 harvesting 48 peat bogs 48 seedling 48 germination 48 overwintered 48 alkaline soils 48 seedbeds 48 plantings 48 seedheads 48 mealy bugs 48 flowering bulbs 48 Flowering 48 corm 48 refugia 48 grassland habitat 48 horseweed 48 irrigated crops 48 phyto 48 glyphosate resistant 48 fireweed 48 glyphosate resistance 48 insecticidal 48 fruiting bodies 47 thinnings 47 lupins 47 leafhoppers 47 salvinia 47 warmer wetter 47 forestry plantations 47 corms 47 regrowth 47 parasitoids 47 wildflower meadows 47 hay meadows 47 inorganic fertilizers 47 sown crops 47 knotweed 47 conifer trees 47 insect populations 47 Invasive plants 47 brassicas 47 harvests 47 superphosphate 47 crops 47 terrestrial ecosystems 47 whitefly 47 streambanks 47 salt tolerant 47 Palmer amaranth 47 periodic droughts 47 flora 47 Jatropha curcas