Related by context. Frequent words. (Click for all words.) 53 bioswales 52 underground aquifers 52 Drip irrigation 52 streambeds 51 decomposed granite 50 aquifer recharge 50 soils 50 composted manure 50 pollute groundwater 50 tiny pores 50 compacted soil 50 moist soil 49 creeks rivers 49 paved surfaces 49 alkaline soil 49 lakeshores 49 contaminate groundwater 49 irrigate crops 49 saturated soils 48 rivers lakes 48 atmospheric nitrogen 48 creeks streams 48 deplete oxygen 48 fertile soils 48 porous pavement 48 sidewalks driveways 48 sandy soils 48 retention basins 48 desalinate 47 intermittent streams 47 impervious surfaces 47 river bottoms 47 absorb nutrients 47 evaporation ponds 47 sequester carbon 47 groundwater recharge 47 irrigate 47 stagnant pools 47 shelterbelts 47 drained soils 47 coarse sand 46 underground aquifer 46 mineral salts 46 headwater streams 46 buffer strips 46 sphagnum moss 46 polluted runoff 46 damp sponge 46 overgrazed 46 aquifers 46 tributary streams 46 Rotenone 46 soaker hoses 46 vegetated 46 woody debris 46 soil conditioner 46 irrigation ditches 46 groundwater 46 compost heaps 46 groundwater basins 46 waterbodies 46 herbicides pesticides 46 silt 46 drainage ditches 46 forbs 46 rainwater 46 irrigated farmland 46 filter feeders 46 sediment 46 irrigations 45 arroyos 45 watersheds 45 riparian buffers 45 topsoil 45 evenly moist 45 aerate 45 revegetate 45 bottomlands 45 melting snowpack 45 carbon sinks 45 nonporous 45 greywater 45 radioactive contaminants 45 contaminate drinking 45 vegetation 45 sewage effluent 45 corrosives 45 Soil erosion 45 photosynthesize 45 nutrient rich 44 diked 44 streams creeks 44 sprinkler irrigation 44 upstream reservoirs 44 fatty tissues 44 oxalic acid 44 sequester carbon dioxide 44 croplands 44 Moisten 44 clay soils 44 rotting vegetation