Related by context. Frequent words. (Click for all words.) 55 alkaline soils 55 acidic soils 54 arid climates 52 drained soils 52 absorbs carbon dioxide 52 erosional 52 sparse vegetation 52 vegetated 51 methane CH4 51 pasture grasses 51 alkaline soil 51 saturated soils 51 tillable 50 biodegraded 50 soils 50 upland habitat 50 riparian vegetation 50 revegetated 50 overgrazed 50 moist soils 49 fertile soils 49 intensively farmed 49 photosynthetic organisms 49 acidic soil 48 Raised beds 48 sequestering carbon 48 grassy meadows 48 riparian zones 48 broad leafed 48 epiphytes 48 irrigated 48 montane 48 acidify 48 cultivable 48 streambanks 48 hygroscopic 48 peaty 48 conifer forests 48 irrigated lands 48 forbs 48 sandy soils 47 rainfed 47 sulfide minerals 47 nitrogen fixing 47 sandy loam 47 loess 47 temperate rainforest 47 calcareous 47 glacial till 47 deciduous forests 47 potent greenhouse gas 47 cypress swamps 47 skiable 47 steeply sloping 47 basalt rock 47 friable 46 naturally occurring mineral 46 minable 46 regrows 46 decaying vegetation 46 Drip irrigation 46 goethite 46 silts 46 shade tolerant 46 coarse sand 46 irrigated crops 46 aragonite 46 streambeds 46 reforested 46 undrained 46 sequester carbon 46 reproduce asexually 46 agglomerates 46 tall fescue 46 Earthlike 46 Meridiani 46 unmineralized 46 evergreen foliage 46 overwatered 46 temperature gradients 46 weakly mineralized 45 economically recoverable 45 conventional tillage 45 salt tolerant 45 deltaic 45 andesitic 45 clasts 45 refugia 45 drought tolerant 45 crop residues 45 bioavailable 45 decomposed granite 45 Soil moisture 45 atmospheric nitrogen 45 meteor impacts 45 compacted 45 oak hickory 45 biodegrades 45 fescues 45 coastal dune 45 spruce fir