FEEDING HUMANS Harry Carr 7-15-2014. CRISES-EARTH’S CARRYING CAPACITY EXCEEDED BY 50% population...
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Transcript of FEEDING HUMANS Harry Carr 7-15-2014. CRISES-EARTH’S CARRYING CAPACITY EXCEEDED BY 50% population...
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FEEDING HUMANSHarry Carr 7-15-2014
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CRISES-EARTH’S CARRYING CAPACITY EXCEEDED BY 50%
population growth climate change peak oil and unburnable carbon soil erosion loss of farmland water scarcity health care aging farmers-unemployed youth
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MOVEMENT TO CITIES
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ENERGY/FOOD CALORIE
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PROPOSITIONS-RETHINKING OUR FOOD SYSTEM
bringing people back to the landcarbon sequestration with perennial systems Layering of trees, understory, shrubs, plants, ground covers, vines, roots
Multi-species grazinghuman and animal powerrainwater harvestingnourishing nutrient dense anti inflammation dietfarmer training internships in Agro-Ecology
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PROPERTIES OF DIFFERENT SYSTEMS
Properties of Natural Ecosystems Compared with Sustainable and Conventional Agroecosystems
by Professor Stephen R. Gliessman 1997
Natural Ecosystems Sustainable Agro-ecosystems Conventional Agroecosystems
Production (yield) low low/medium high
Productivity (process) medium medium/high low/medium
Diversity high medium low
Resilience high medium low
Output Stability medium low/medium high
Flexibility high medium low
Human Displacement of Ecological Processes low medium high
Reliance on External Human Inputs low medium high
Autonomy high high low
Sustainability high high low
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MULTI-SPECIES GRAZING
Grow topsoil/sequester carbon Mimic tallgrass prairieRelationship of bison, elk, etc. & predators. Trampled huge amounts grassesNot all eatenCreated thick thatch to hold moisture and soil biology.
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ROOT GROWTH ANNUAL VERSUS PERENNIAL
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WATER SUPPLY 2050
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WATER USAGE IN NATURE
Extreme depth of tall grass prairie sod. More organic matter=More water retention Roots bring in air and hold soil fast preventing erosion and allowing the water to percolate into deep extensive root systems
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KEYLINE DESIGN
Imaginary point on the lay of the land where the convex ridges meet the concave valleys
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KEYLINE DESIGN-PIC
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KEYLINE PLOWING
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YEOMAN’S PLOW
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PA YEOMAN’S YOBARNIE 1950
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US HEALTHCARE SPENDING AS A % OF GDP
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AG LAND LOSS
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DUCKS, TURKEYS, GOATS
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WRAP UP WHAT’S GOING ON AT MINT CREEK FARMINTERNSHIPS AND FARMER TRAININGMAXIMIZE VALUE TO CUSTOMERINCREASE VALUE ADDED PRODUCTSMARKET THE WHOLE ANIMALECONOMICS