Related by context. Frequent words. (Click for all words.) 68 acidic soils 66 alkaline soils 66 alkaline soil 65 soils 61 drained soils 61 pasture grasses 60 mycorrhizal fungi 59 fertile soils 59 sandy soils 58 clay soils 58 acidic soil 57 nutrient uptake 57 fescues 57 inoculants 57 forbs 56 sandy loam 56 arsenate 56 moist soils 56 tannic acid 56 nitrogen fixing 55 deciduous forests 55 terpenes 55 calcareous 55 perennial ryegrass 54 streambanks 54 micro climates 54 nitrogen fixation 54 seed germination 54 sweet clover 54 tall fescue 54 mycelium 54 inorganic fertilizers 54 arid climates 53 atmospheric nitrogen 53 moist soil 53 montane 53 decaying vegetation 53 coniferous forests 53 mucilage 52 compacted soil 52 temperate forests 52 perennial grasses 52 tillering 52 Powdery mildew 52 irrigated crops 52 vetch 52 malic acid 52 woody stems 52 herbaceous plants 52 inorganic compounds 52 hygroscopic 52 saltbush 52 humic acid 52 soil salinity 52 iron oxides 52 Raised beds 52 abiotic 52 endophyte 52 temperate zones 51 bioenergy crops 51 Drip irrigation 51 stubbles 51 methane ethane 51 oxidise 51 anaerobic bacteria 51 refugia 51 mushroom compost 51 Tannins 51 fungal spores 51 loamy 51 nutrient rich 51 photosynthetic organisms 51 inoculum 51 grasses 51 sparse vegetation 51 Botrytis 51 deciduous forest 51 softwoods 51 methane CH4 50 cordgrass 50 epiphytes 50 oak hickory 50 phosphatic 50 saponins 50 sulfide minerals 50 Fescue 50 hotter drier 50 bermudagrass 50 recharge groundwater 50 acidified 50 foliar 50 bayberry 50 organic acids 50 phytoplankton blooms 50 exudate 50 salt tolerant 50 overwatered 50 phosphine 50 resinous 50 naturally occuring 50 riparian zones