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(Click for frequent words.) 74 sandy soils 73 clay soils 73 soil 70 Soils 69 subsoils 67 sandy soil 67 alluvial soils 67 topsoils 67 sandy loam 67 acidic soils 66 clay loam soil 66 topsoil 65 alkaline soil 65 calcareous soils 65 clay loam 65 alkaline soils 64 gravelly soils 64 infertile soils 64 peat soils 63 acidic soil 63 textured soils 62 soil fertility 62 loamy soil 62 streambanks 62 sandy loam soils 62 sediment 62 clayey 62 drained soils 61 sediments 61 nitrogen leaching 61 loam soil 61 acid soils 61 degraded soils 61 nitrate nitrogen 61 compacted soils 61 riparian zones 60 saline soils 60 waterlogged soils 60 loams 60 pH soils 60 mycorrhizae 60 Sphagnum 60 upland soils 59 pasture grasses 59 loamy sand 59 soluble salts 59 groundwaters 59 vegetation 59 soil moistures 59 fertile soils 59 droughty 59 soil pH 59 sandier soils 59 silt loam soils 59 Soil pH 58 drier soils 58 clay subsoil 58 xeric 58 micro climates 58 fertile topsoil 58 salty soils 57 wetland vegetation 57 Soil 57 clayey soil 57 acid sulfate 57 sedimentary deposits 57 nitrogen 57 compost manure 57 soil salinity 57 sphagnum 57 sandy loam soil 57 soil tilth 57 forage grasses 57 tall fescue 56 fescue lawns 56 Topsoil 56 loam soils 56 mulches 56 loam 56 juglone 56 alluvium 56 Mulches 56 nutrient deficient 56 loamy soils 56 marine sediments 56 highly erodible 56 atmospheric nitrogen 56 erodible 56 groundwater aquifers 56 aquifers 56 moisture retentive soil 56 karst terrain 56 moist soils 56 riparian corridors 56 organic manures 56 frost heaving 56 elevated atmospheric CO2 56 Terra Preta 56 soil compaction 56 groundwater 56 volcanic basalt 55 shredded pine bark 55 green manures 55 fibrous roots 55 calcareous 55 phalaris 55 peaty soil 55 mesic 55 semiarid regions 55 rotted compost 55 sodic 55 humus rich 55 decaying vegetation 55 arid climates 55 bermudagrass 55 tall fescues 55 inoculants 55 herbage 55 perennial ryegrass 55 revegetating 55 salinity 55 re vegetating 55 mildly alkaline 55 sulfate minerals 55 mycorrhizal fungi 55 Soil compaction 55 soil moisture 55 trembling aspen 55 grasses 55 alluvial plains 55 naturally occurring radium 54 freshwater aquifers 54 nitrate leaching 54 sedimentation 54 wetland 54 nitrogen fixation 54 kura clover 54 rangeland grasses 54 compost peat moss 54 watertable 54 Organic mulches 54 fescues 54 Raised beds 54 prussic acid 54 regolith 54 humic substances 54 vegetations 54 nitrogen fertilization 54 farmyard manure 54 compacted soil 54 karst geology 54 alluvial gravel 54 riparian vegetation 54 naturally occurring minerals 54 understorey 54 hypersaline 54 highly erodable 54 germinating seeds 54 potassium NPK 54 organic mulches 54 soil conditioner 54 nutrient 54 johnsongrass 54 saturated soils 54 moist soil 54 Caladiums 54 hydric soils 54 Brzuszek 53 rhizosphere 53 foliar sprays 53 arsenate 53 groundwater aquifer 53 tailings piles 53 nitrate concentrations 53 wetland soils 53 gravelly soil 53 gravels 53 embayments 53 soil erosion 53 Compacted soil 53 silt 53 mushroom compost 53 glacial till 53 moistures 53 nitrogen fixers 53 reed canary grass 53 ensiling 53 phosphorus runoff 53 woody plants 53 arid regions 53 temperate grasslands 53 understory vegetation 53 porous sandstone 53 arid lands 53 nematode populations 53 lake sediments 53 wheat stem sawfly 53 hardier varieties 53 moisture retentive 53 streambeds 53 allelopathic 53 sphagnum peat moss 53 vadose zone 53 watersheds 53 olivine 53 compacted clay 53 compaction 53 salinisation 53 duff layer 53 woody weeds 53 streambank 53 wetlands 53 coniferous forest 53 lakebed sediments 53 lateritic 52 nitrates phosphates 52 vegetated 52 terrestrial ecosystems 52 thatch buildup 52 remnant vegetation 52 compost 52 overstory 52 leaf mulch 52 iron oxides 52 stubbles 52 forested watersheds 52 seed germinates 52 manuring 52 arundo 52 photosynthesise 52 revegetated 52 headwater stream 52 vetch 52 microhabitats 52 shallow aquifer 52 forage crops 52 wetter climates 52 Saltcedar 52 fine grained sediment 52 windblown sand 52 seedling vigor 52 potting mixes 52 woody shrubs 52 buffalograss 52 coarse sand 52 native perennial grasses 52 karst topography 52 silicate rocks 52 forbs 52 turfgrasses 52 oligotrophic 52 microclimates 52 iron sulphate 52 potting soils 52 grazed pastures 52 mildly acidic 52 zoysiagrass 52 bentonite clay 52 algal species 52 forest ecosystems 52 sedimentary layers 52 colluvium 52 clover alfalfa 52 tillable 52 perennial grasses 52 soil biota 52 shallow aquifers 52 pollinator habitat 52 straw mulch 52 humus 52 microbial organisms 52 nitrogen deposition 52 aquatic ecosystems 52 understory trees 52 spatial variability 52 manure compost 52 riparian habitats 52 hydrous 52 potato tubers 52 stony soils 52 sphagnum moss 52 landforms 52 grassland 52 subsoil moisture 52 Conservation tillage 52 humic 52 sandy loams 52 salt tolerant 52 sorghums 52 forage 52 dolomite lime 52 microfossils 52 nitrate fertilizers 52 nitrogen fixing 52 rangelands 52 sulfide minerals 52 limestone bedrock 51 farmable 51 downy brome 51 salina 51 herbaceous plants 51 hydric soil 51 composted manure 51 aquifer 51 silt loam 51 Tall fescue 51 boreal ecosystems 51 fungus spores 51 crop rotations 51 montane forests 51 grasses legumes 51 slightly acidic pH 51 conventionally tilled 51 Azolla 51 Calcium chloride 51 rejuvenation pruning 51 sand silt 51 tillage 51 Cultivars 51 pore spaces 51 dissolved salts 51 #t/ha 51 acid sulphate soils 51 mangrove plantations 51 bottomland hardwoods 51 hydrologic cycle 51 hydrogeology 51 carbon fluxes 51 yellow starthistle 51 beech forest 51 forb 51 aphid populations 51 terra preta 51 soil carbon sequestration 51 loess 51 absorb rainwater 51 hardpan 51 overgrazed 51 phyllosilicate 51 irrigated lands 51 orchardgrass 51 lichens 51 terra rossa 51 green manuring 51 Aquifers 51 foliar 51 thatch layer 51 phosphorus fertilizer 51 Sediment 51 acid sulphate 51 calcium carbonates 51 iron sulfate 51 fertile soil 51 ponded 51 woody vegetation 51 decomposed granite 51 composted cow manure 51 hydrological cycle 51 halophyte 51 refugia 51 conserves moisture 51 bacterial decomposition 51 Pre emergent herbicides 51 naturally occurring arsenic 51 deciduous forests 51 karstic 51 Gas Hydrocarbon SGH 51 cereal crops 51 Nematodes 51 dilute sulfuric acid 51 Italian ryegrass 51 pine bark 51 moldboard plowing 51 Composted 51 soggy soils 51 nitrogen phosphorus potassium 50 Finished compost 50 silty sand 50 silts 50 erodable 50 root rot 50 biogeochemical processes 50 pHs 50 arable soils 50 pervious surfaces 50 agro ecological zones 50 sulfate concentrations 50 dolomitic limestone 50 foliar feed 50 rototilled 50 peat moss vermiculite 50 drought tolerant perennials 50 permeable paving 50 overfertilizing 50 uranium ores 50 biota 50 Rhododendrons 50 sphagnum peat 50 subwatershed 50 nitrate 50 Fescue 50 tilled soil 50 recharge aquifers 50 Crape myrtles 50 tuffaceous rocks 50 depleting aquifers 50 recharge groundwater 50 flora 50 Fertilizing 50 peat moss compost 50 broadacre crops 50 compost teas 50 carbon isotope ratios 50 oilseed rape crops 50 geochemistry 50 atmospheric CO2 concentrations 50 glacial outwash 50 alluvial sediments 50 swards 50 sorghum varieties 50 harsher climates 50 isotopic composition 50 P#O# 50 climatic conditions 50 Reganold 50 whitetop 50 meadowfoam 50 freshwater wetlands 50 permeable sandstone 50 rootworms 50 peat bogs 50 semi arid 50 broad leaved trees 50 pre emergent herbicides 50 Knotweed 50 smartweed 50 cropland 50 minimum tillage 50 lakebed 50 shade tolerant 50 droughty conditions 50 pasture paddocks 50 limerock 50 remediating contaminated 50 aquatic habitats 50 Steep slopes 50 deciduous plants 50 Soil moisture 50 acidic pH 50 tilth 50 freshwater ecosystems 50 alluvial deposits 50 meadow grasses 50 Soil samples 50 chisel plowing 50 legume crop 50 bio char 50 underground aquifers 50 lithium bearing brines 50 sloping terrain 50 bryophytes 50 peridotite 50 subalpine 50 acquifers 50 inorganic fertilizer 50 Longleaf pine 50 rototill 50 grasses forbs 50 hydric 50 silty clay 50 turfgrass 50 evapo transpiration 50 dryland crops 50 compost mulch 50 re vegetate 50 greenbugs 50 lacustrine 50 wetlands flood plains 50 sedge meadows 50 freeze thaw cycles 50 chloride concentrations 50 salination 50 creeping bentgrass 50 Sediments 50 bermudagrass pastures 50 Bearded irises 50 bottomland 50 floodplain 50 Ryegrass 50 porous limestone 50 preharvest 50 phosphorous potassium 50 inorganic nitrogen 50 revegetation 50 bermuda grass 50 ecosystems 50 sulfides 50 animal manures 50 igneous rocks 50 Insect pests 50 silty 50 dolomitic 50 bromegrass 49 bicarbonate ions 49 forages 49 acidify 49 irrigated 49 arid soils 49 nematode species 49 nitrification 49 Sewage sludge 49 carbonate minerals 49 underwatering 49 nonnative invasive 49 Grass clippings 49 agronomic practices 49 mycelium 49 intensively cultivated 49 oak savannahs 49 Forages 49 soil conditioners 49 drylands 49 salt cedars 49 streamside forests 49 calcrete 49 alkali 49 greensand 49 seed germination 49 hydrated lime 49 silages 49 oat crop 49 forested lands 49 chrysocolla 49 macro invertebrates 49 sedimentary sequences 49 spruce fir forests 49 Soil moisture levels 49 desiccation 49 overplanted 49 diatomaceous 49 cold hardiness 49 dolomite 49 manzanitas 49 peat lands 49 atmospheric deposition 49 paramo 49 ungrazed 49 furrow irrigated 49 evaporation ponds 49 Vegetation 49 shallow depressions 49 invasive nonnative 49 plantings 49 streambed 49 highly erodible soils 49 stony meteorites 49 carbonaceous material 49 corn silage 49 agronomically 49 sedimentary 49 frost hardy 49 foxtail barley 49 ferruginous 49 granitic basement 49 McMurdo Dry Valleys 49 clopyralid 49 wetland ecosystems 49 river catchments 49 streamside vegetation 49 wetland ecosystem 49 permeable surfaces 49 chalky soils 49 manures 49 NH4 + 49 arid semi arid 49 Geochemical analysis 49 prussic acid poisoning 49 oat straw 49 humic acids 49 dryland crop 49 geomorphology 49 colluvial 49 inorganic contaminants 49 nutrient depletion 49 plantlife 49 Peat moss 49 centipede lawns 49 pine bark mulch 49 marram grass 49 roadbeds 49 Amazonian forest 49 evaporite minerals 49 topography 49 uncompacted 49 nitrogen phosphorous 49 Aerating 49 frequent waterings 49 peat swamps 49 irrigated crops 49 grassland ecosystems 49 freshwater wetland 49 conifer needles 49 huckleberry bushes 49 waxy coating 49 sorption 49 serpentine soils 49 subsurface drainage 49 leys 49 nitrogenous compounds 49 rock outcrops 49 Drought tolerant 49 mineral apatite 49 mineralogy 49 anaerobic microbes 49 N2O emissions 49 oilseed crops 49 Brackish water 49 fertile cropland 49 biomasses 49 atmospheric moisture 49 Seagrasses 49 potting mixture 49 Mold spores 49 nonirrigated 49 Vernal pools 49 Bald cypress 49 treelines 49 croplands 49 winter hardiness 49 atmospheric CO2 enrichment 49 crops 49 microorganisms 48 sidedress 48 drainage basins 48 inorganic compounds 48 silicified zone 48 grasslands 48 nutrients 48 limestone grassland 48 playa lakes 48 dripline 48 Sand dunes 48 seedbank 48 liverworts 48 basalts 48 jarosite 48 junipers 48 turbidity cloudiness 48 root knot nematodes 48 hardwood mulch 48 sequester carbon 48 BIF outcrops 48 upland habitat 48 rhizobia 48 phosphorus fertilizers 48 rotting vegetation 48 phosphorus 48 compost piles 48 crustal rocks 48 phosphorous nitrogen 48 freshwater habitats 48 phosphorous fertilizers 48 landform 48 alteration halos 48 pH acidity 48 leguminous 48 Hotter drier 48 swine manure 48 ryegrasses 48 hybrid poplar trees 48 silica 48 chlorinated solvents 48 crop residue 48 geotextile fabric 48 riparian forest 48 goosegrass 48 Appy Sluijs 48 sulfide deposits 48 Phytophthora 48 sediment basins 48 phosphate 48 tillering 48 leachability 48 Snake River Plain 48 microfossil 48 abiotic stresses 48 semi arid regions 48 azalea camellia 48 Arsenic occurs 48 disked 48 hydrology 48 Eucalyptus trees 48 Plantings 48 drought tolerant varieties 48 volcanic soils 48 overlying layers 48 woody shrub 48 potting mix 48 hydrogeologic 48 subgrade 48 inorganic ions 48 Grasses 48 hydrothermally 48 depleted aquifers 48 Overgrazing 48 fencelines 48 bridal creeper 48 polluted soils 48 sudangrass 48 bluegrasses 48 xeric plants 48 rootballs 48 Festuca 48 floodplains 48 grassland habitat 48 mowing fertilizing 48 groundwater contaminants 48 Spider mites 48 conservation tillage 48 agrichar 48 demonstrated Sphagsorb microbe 48 inoculum 48 shelterbelts 48 crop yields 48 deoxygenated 48 overgrazing deforestation 48 freshwater impoundments 48 nutrient uptake 48 nitrogen phosphorus 48 temperate forests 48 drainfields 48 anhydrite 48 riparian buffer zones 48 caliche 48 pigweeds 48 riparian ecosystems 48 phosphate mines 48 soil crusting 48 karst 48 warmer wetter 48 synthetic nitrogen fertilizer 48 sclerotia 48 Sulfates 48 #.#t/acre 48 sludges 48 geological formations 48 leaf scorch 48 chlorosis 48 hydrated minerals 48 wildflower mixes 48 gravelly sandy 48 halite 48 impermeable clay 48 fibrous root 48 isotopic ratios 48 root nodules 48 Slime molds 48 nutrient leaching 48 Chinch bugs 48 epiphytes 48 dissolved oxygen DO 48 isotopic compositions 48 pesticides herbicides fungicides 48 groundwater recharge 48 loamy 48 moisture 48 permeable soils 48 alkalinity 48 beneficial nematodes 48 iron chlorosis 48 chalky soil 48 sulfide 48 ryegrass 48 Perennial grasses 48 hydrated silica 48 cultivatable land 48 irrigated pastures 48 eucalypt trees 48 ecologies 48 alluvial soil 48 lovegrass 48 herbicide residues 48 shrubs 48 beech forests 48 fine fescues 48 fescue pastures 48 Overseeding 48 microbes decompose 48 piñon pines 48 hydroseed 48 unfertile 48 mangrove vegetation 48 unirrigated 48 earthworms 48 inorganic fertilizers 48 pasturelands 48 ozone concentrations 48 Ozark Aquifer 48 fallows 48 rototilling 48 moss 48 Foliar 48 volatilization 48 friable soil 48 Windbreaks 48 replenish aquifers 48 hydroxides 48 lichen 48 acidic 48 chestnut oak 48 deicing salts 48 percolation 48 subsurface 48 riparian forests 48 alluvial flats 48 chinch bug 48 camellias azaleas 48 potato leafhopper 48 silicic 48 Bermudagrass 48 termite mound sampling 48 olivines 48 nitrate salts 48 glauconite 48 creekbeds 48 hay meadows 48 Cyanobacteria 48 soluble sugars 48 diatoms 48 toxins leaching 48 recharge basins 48 aquifer recharge 48 Florida betony 48 weed infestation 48 smooth brome 48 Nitrogen fertilizer 48 phyllosilicates 48 nitrogen potassium 48 mulch 48 sagebrush steppe 48 conventional tillage 48 Burford holly 48 Salinity 47 benthos 47 mucilage 47 #kg/ha [002] 47 eluvial 47 vetiver grass 47 rainfed crops 47 fungus thrives 47 bunchgrass 47 shrubland 47 blackland 47 claylike 47 cyanogenic 47 Floodplains 47 highly erodible land 47 alfalfa fields 47 bedrock outcrops 47 semiarid climate 47 Grapevines 47 weed seeds 47 fertilizing lawns 47 grassed waterways 47 uplands 47 dolomites 47 substrata 47 sodium magnesium 47 groundwater seepage 47 groundcovers 47 phytoplankton bloom 47 Perennial weeds 47 seedling blight 47 sandier 47 magnesium Mg 47 orange hawkweed 47 laterites 47 shelterbelt 47 groundwater basins 47 agro ecosystems 47 micro nutrients 47 lakes 47 sparsely vegetated 47 Meridiani 47 Riesling grapes 47 resprout 47 sulphate 47 fertilized lawns 47 birdsfoot trefoil 47 chlorotic 47 algal mats 47 inorganic acids 47 soilless 47 basins 47 understory plants 47 Switchgrass 47 placer workings 47 simazine 47 flowering annuals 47 specular hematite 47 sulphide minerals 47 Avoid overwatering 47 foliar spray 47 ferric oxides 47 freeze thaw 47 bracken fern 47 Outcrops 47 freshwater springs 47 contaminated soils 47 ecoregions 47 headwater streams 47 propagules 47 Late Paleozoic 47 anaerobic decomposition 47 biochar 47 calcium sulphate 47 pathfinder element 47 brines 47 termite mound geochemistry 47 impermeable surfaces 47 aspen regeneration 47 cultivatable 47 habitats 47 Soil Fertility 47 illite 47 lunar regolith 47 nutrient rich 47 marginal cropland 47 ecotypes 47 reef habitats 47 irrigable 47 buffel grass 47 nutrient inputs 47 seedbed preparation 47 fencerows 47 taproots 47 supergene mineralization 47 woody debris 47 fungal spores 47 iron chelate 47 saline aquifers 47 goethite 47 #ppb [002] 47 silt laden 47 NVZs 47 nitrogen fertilizers 47 decomposers 47 icesheets 47 olivine rich 47 Muscadines 47 broadleaved 47 isotope composition 47 sedge meadow 47 basaltic rock 47 desertified 47 groundcover 47 shortleaf pine 47 Deciduous trees 47 carbonate sediments 47 residual herbicides 47 wine grape varieties 47 Soil erosion 47 shrublands 47 #kg/ha [001] 47 flux residues 47 paspalum 47 superphosphate 47 dyke swarms 47 calcic 47 herbicides pesticides 47 diatomaceous earth 47 broadleaves 47 systemic insecticides 47 seagrass meadows 47 absorbs carbon dioxide 47 redcedar 47 nitrogen phosphates 47 dryland agriculture 47 environmentalist Adrienne Esposito 47 magnetite crystals 47 softwoods 47 rangeland 47 salinities 47 Rangelands 47 waterhemp 47 coniferous forests 47 isotope ratios 47 zeolites 47 carbon sequestering 47 alluvial plain 47 winterizer 47 REE enriched 47 diabase 47 saprolite 47 hematite mineral 47 geochronology 47 wheat stubble 47 phosphorus concentrations 47 mulch compost