Related by context. Frequent words. (Click for all words.) 67 soils 62 acidic soils 61 sandy loam 60 alkaline soils 59 Topsoil 59 acidic soil 58 topsoil 57 alkaline soil 57 drained soils 57 coarse sand 57 evenly moist 56 woody vegetation 56 softwoods 56 Soil moisture 56 sandy soils 56 Grass clippings 56 clay soils 56 arid climates 56 soil salinity 56 forbs 55 Fertilizing 55 topsoil moisture 55 composted manure 55 tall fescue 55 perennial grasses 54 soil fertility 54 sphagnum moss 54 fescues 54 moist soil 53 Drip irrigation 53 sandy soil 53 Soils 53 bermudagrass 53 mineral salts 53 fertile soils 53 deciduous forests 53 pine bark 53 mulches 53 inorganic fertilizers 53 shelterbelts 52 forages 52 grasses 52 soil conditioner 52 crop residues 52 manures 52 forage crops 52 subsoil moisture 51 bark mulch 51 cereal crops 51 alfalfa fields 51 loam 51 compacted soil 51 mycorrhizal fungi 51 woody stems 51 soil 51 roadbeds 51 soil compaction 51 woody plants 51 Bermudagrass 51 irrigated 50 Aquifers 50 haylage 50 sulfide minerals 50 seedbeds 50 mycelium 50 arid regions 50 calcareous 50 hay meadows 50 pasturelands 50 vegetation 50 soil moisture 50 iron oxides 50 acidify 50 sorghum crop 50 oak hickory 50 herbicides pesticides 50 humid climates 49 humus 49 pomace 49 salt tolerant 49 nitrogen 49 crop residue 49 hardpan 49 grassland 49 decomposed granite 49 shade tolerant 49 groundwater aquifers 49 saturated soils 49 Soil erosion 49 evaporation ponds 49 riparian vegetation 49 wheat stubble 49 perlite 49 absorbs moisture 49 seedheads 49 overgrazed 49 desiccation 49 seed germination 49 herbaceous plants 49 Mulching 49 silage