Related by context. Frequent words. (Click for all words.) 56 acidify 53 acidifying 52 aerates 51 herbicides pesticides 50 oxygenating 49 discolour 49 contaminates 48 absorbs carbon dioxide 48 recharge groundwater 48 soil 47 pollute waterways 47 mold fungi 47 befoul 47 abrade 47 aerate 47 despoil 46 pollute 46 polluting groundwater 46 contaminate 45 befouling 45 overgrow 45 fertilizes 45 moistens 45 discolors 45 eco unfriendly 45 dehydrates 45 soil salinity 45 oxalic acid 45 oxidising 44 hydrated lime 44 overwatered 44 Invasive plants 44 diatomaceous earth 44 denuding 44 pestilent 44 streambanks 44 contaminate groundwater 44 salinization 44 toxic residues 44 alkaline soils 44 dirties 44 fish emulsion 44 phyto 43 clog pores 43 purify 43 funguses 43 pollute groundwater 43 fluorocarbons 43 decomposing organic 43 alkaline soil 43 naturally occurring mineral 43 overpopulate 43 leaches 43 deplete oxygen 43 soils 43 sequester carbon dioxide 43 salination 43 Grass clippings 43 microbial contaminants 43 deforest 43 chemically treated 42 cat dander 42 naturally occuring 42 Fertilizing 42 regrows 42 respire 42 naturally occurring bacteria 42 pollutes 42 fertilize 42 scums 42 intensively farmed 42 photosynthesizing 42 dirt grime 42 rotting vegetation 42 tannic acid 42 noxious 42 alkaline 42 Corrosive 42 bonemeal 42 inorganic fertilizers 42 harmful 42 degredation 42 putrefied 42 oxidise 41 oxidizes 41 polluting waterways 41 harmful toxins 41 trigger allergic reactions 41 flushable 41 absorbs moisture 41 biodegrades 41 triclocarban 41 invisible odorless 41 inoculants 41 carbaryl 41 vapor extraction 41 weed seeds 41 delicate ecosystems 41 rancidity 41 evenly moist 41 sludges