The Lawn is Dead! Long Live the Lawn! Part 1

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45 million acres turf (Missouri) 20 million acres residential lawns 30%-60% urban fresh water $40 billion spend on lawns annually $700 million pesticides $5.25 billion fertilizers 580 million gal gasoline

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Simmons, Bertlesen, Windhager & Zafian. (2011)

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Simmons, Bertlesen , Windhager & Zafian . (2011) 1 1sp ( nn ) 1sp (n) 2sp(n) 4spp (n)

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Soil Nitrogen Species A Low High

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Soil Nitrogen Soil Water

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Soil Nitrogen Soil Water Light

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Soil Nitrogen Soil Water Light

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Soil Nitrogen Soil Water Light Species B

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l ight soil moisture soil nitrogen Bedstraw [ Gallium aparine ] Dandelion [ Taraxacum officinale ] Chickweed [ Stellaria media ] Bur Clover [ Medicago polymorpha ] Yellow Wood Sorrel [ Oxalis stricta ] weed invasion B ermudagrass [ Cynodon dactylon ] Turfgrass : Monoculture

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Bedstraw [ Gallium aparine ] Dandelion [ Taraxacum officinale ] Chickweed [ Stellaria media ] Bur Clover [ Medicago polymorpha ] Yellow Wood Sorrel [ Oxalis stricta ] weed invasion B ermudagrass [ Cynodon dactylon ] l ight soil moisture soil nitrogen Turfgrass : Monoculture

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l ight soil moisture soil nitrogen l ight soil moisture soil nitrogen Turfgrass : Monoculture Turfgrass : Polyculture B ermudagrass [ Cynodon dactylon ] Bedstraw [ Gallium aparine ] Dandelion [ Taraxacum officinale ] Chickweed [ Stellaria media ] Bur Clover [ Medicago polymorpha ] Yellow Wood Sorrel [ Oxalis stricta ]

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Curly Mesquite [ Hilaria belangeri ] Hairy Grama [ Bouteloua hirsuta ] Blue Grama [ Bouteloua gracilis ] l ight soil moisture soil nitrogen l ight soil moisture soil nitrogen Turfgrass : Monoculture Turfgrass : Polyculture Buffalograss [ Bouteloua dactyloides ] Texas Grama [ Bouteloua rigidiseta ] Poverty Dropseed [ Sporobolus vaginiflorus ] B ermudagrass [ Cynodon dactylon ] Bedstraw [ Gallium aparine ] Dandelion [ Taraxacum officinale ] Chickweed [ Stellaria media ] Bur Clover [ Medicago polymorpha ] Yellow Wood Sorrel [ Oxalis stricta ]

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Curly Mesquite [ Hilaria belangeri ] Hairy Grama [ Bouteloua hirsuta ] Blue Grama [ Bouteloua gracilis ] l ight soil moisture soil nitrogen l ight soil moisture soil nitrogen Turfgrass : Monoculture Turfgrass : Polyculture Buffalograss [ Bouteloua dactyloides ] Texas Grama [ Bouteloua rigidiseta ] Poverty Dropseed [ Sporobolus vaginiflorus ] B ermudagrass [ Cynodon dactylon ] Bedstraw [ Gallium aparine ] Dandelion [ Taraxacum officinale ] Chickweed [ Stellaria media ] Bur Clover [ Medicago polymorpha ] Yellow Wood Sorrel [ Oxalis stricta ]

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B ermudagrass [ Cynodon dactylon ] l ight soil moisture soil nitrogen Bedstraw [ Gallium aparine ] Dandelion [ Taraxacum officinale ] Chickweed [ Stellaria media ] Bur Clover [ Medicago polymorpha ] Yellow Wood Sorrel [ Oxalis stricta ] l ight soil moisture soil nitrogen Turfgrass : Monoculture Turfgrass : Polyculture Texas Grama [ Bouteloua rigidiseta ] Curly Mesquite [ Hilaria belangeri ] Hairy Grama [ Bouteloua hirsuta ] Blue Grama [ Bouteloua gracilis ] Poverty Dropseed [ Sporobolus vaginiflorus ] HABITURF™

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