Grow Biointensive Farming and Gardening
Transcript of Grow Biointensive Farming and Gardening
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Grow Biointensive Grow Biointensive Farming and GardeningFarming and Gardening
A Sustainable Agricultural SystemA Sustainable Agricultural System
Seasons of Sustainable AgricultureSeasons of Sustainable AgricultureSeptember 15, 2008 September 15, 2008
Steve MooreSteve Moore
North Carolina State UniversityNorth Carolina State UniversityCenter for Environmental Farming Systems, CEFSCenter for Environmental Farming Systems, CEFS
Goldsboro NC Goldsboro NC [email protected][email protected], 919 218 4642, 919 218 4642
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Historical PerspectiveHistorical Perspective (Ancient)(Ancient)
Chinese Agriculture Chinese Agriculture -- 4,0004,000--6,000 6,000 years oldyears oldJapanese Agriculture Japanese Agriculture -- 2,0002,000--6,000 6,000 years oldyears oldGreek Agriculture Greek Agriculture –– 2,000 years old2,000 years oldBolivian, Peruvian, Mayan Bolivian, Peruvian, Mayan Agriculture Agriculture –– 1,000 1,000 years oldyears old
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Historical PerspectiveHistorical Perspective (Resent)(Resent)
MonastaryMonastary ““preservespreserves””French IntensiveFrench IntensiveBioBio--Dynamics (Steiner)Dynamics (Steiner)BioBio--Dynamic/French Intensive Dynamic/French Intensive –– Alan Alan
Chadwick at Santa CruzChadwick at Santa CruzGrow Biointensive Grow Biointensive –– John John JeavonsJeavons at at
Ecology Action, Willits CA.Ecology Action, Willits CA.
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Current agricultural ProblemsCurrent agricultural Problems
More people to feed and less landMore people to feed and less land10 calories of Fossil fuel to produce 10 calories of Fossil fuel to produce 1 calorie of food1 calorie of foodDeclining water availability (40% of grain Declining water availability (40% of grain irrigated)irrigated)Reduced genetic base; over 95% of seed Reduced genetic base; over 95% of seed varieties ever used have been lostvarieties ever used have been lostDeclining nutrient quality of foodDeclining nutrient quality of food
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Advantages of Biointensive AgricultureAdvantages of Biointensive Agriculture
Produce 2Produce 2--6 times as much food in the 6 times as much food in the same areasame areaReduce the energy demands (almost Reduce the energy demands (almost eliminate fossil fuels)eliminate fossil fuels)Use water 3Use water 3--8 times more effectively8 times more effectivelyDevelop a local, diverse, and secure seed Develop a local, diverse, and secure seed basebaseProvide self contained closed loop fertilityProvide self contained closed loop fertility
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8 Basic Components8 Basic Components of Biointensive of Biointensive
Deep soil preparationDeep soil preparationallowsallows
Close plant spacingClose plant spacingand the practice ofand the practice of
Companion plantingCompanion plantingusingusing
Open pollinated seedsOpen pollinated seedsfed byfed by
CompostCompostobtained fromobtained from
Sustainable soil fertilitySustainable soil fertilitywhich provides awhich provides a
Complete dietComplete dietwithin a within a
Whole systemWhole system
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A Healthy SoilA Healthy Soil
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Importance of Particle SizeImportance of Particle Size
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Volume Composition of SoilVolume Composition of Soil
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Permanent Beds and PathwaysPermanent Beds and Pathways
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Double DiggingDouble Digging
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The UThe U--barbar
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Alternative tool Alternative tool for double diggingfor double digging
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Using Plants to loosen the soilUsing Plants to loosen the soil
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Root Depth of Selected VegetablesRoot Depth of Selected Vegetables (from (from ““How to Grow More VegetablesHow to Grow More Vegetables””))
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One ounce of healthy soil One ounce of healthy soil hashas……
Several billion bacteria (15,000 different kinds)Several billion bacteria (15,000 different kinds)3 million yeast3 million yeast1.4 million algae1.4 million algae1 million protozoa1 million protozoaMacro vertebrates: Macro vertebrates: (worms, mites, millipedes, (worms, mites, millipedes, centipedes and insects)centipedes and insects)
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Importance of Importance of RhizosphereRhizosphere
100 times the biological activity100 times the biological activityBuffers pH +/Buffers pH +/-- 10 times (1 pH point)10 times (1 pH point)SolubilizeSolubilize nutrients from soilnutrients from soil
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Nutrient AvailabilityNutrient Availability
Biological activity increases nutrients in Biological activity increases nutrients in several ways (pH and metabolic byproducts)several ways (pH and metabolic byproducts)CationCation exchange capacity (CEC)exchange capacity (CEC)Organic Organic vsvs inorganic systemsinorganic systems
(Journal of nutrition)(Journal of nutrition)
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Soil pH and Nutrient AvailabilitySoil pH and Nutrient Availability (from (from ““Methods for Assessing Soil QualityMethods for Assessing Soil Quality””))
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Close Plant Close Plant SpacingsSpacings
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(from (from ““Lazy Bed GardeningLazy Bed Gardening”” JeavonsJeavons and Cox)and Cox)
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InterplantingInterplanting
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4 Square Planting4 Square Planting
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Companion PlantingCompanion Planting Borage for pollinationBorage for pollination
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InsectaryInsectary CropsCrops
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Open Pollinated SeedsOpen Pollinated Seeds
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Velvet Roller Seed CleanerVelvet Roller Seed Cleaner
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Rubbing Board Seed CleanerRubbing Board Seed Cleaner
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Compost for maximum returnCompost for maximum return
C:N ratio (45C:N ratio (45--60:1)60:1)MesophylicMesophylic pile temperaturepile temperatureAdd soilAdd soilUse Structural carbon (waxes, cellulose, Use Structural carbon (waxes, cellulose, ligninslignins))Correct moisture (55%) Correct moisture (55%)
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Compost CropsCompost Crops
1/3 of total area dedicated to carbon for 1/3 of total area dedicated to carbon for soilsoilMultiple duty cropsMultiple duty cropsCarbon examples: Corn, Jerusalem Carbon examples: Corn, Jerusalem Artichokes, Grains, SunflowersArtichokes, Grains, SunflowersNitrogen examples: Nitrogen examples: FavaFava beans, alfalfa, beans, alfalfa, comfreycomfrey
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Complete DietComplete Diet
Calorie efficientCalorie efficientKitchen efficientKitchen efficientSpace efficientSpace efficientCarbon efficientCarbon efficientStorage efficientStorage efficient
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No TillNo Till
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PermaculturePermacultureUse the natural properties Use the natural properties of your landof your land
SunSunWindWindShadeShadeSlopeSlope
Add enhancementsAdd enhancementsRain water collectingRain water collectingExtend the seasonExtend the seasonContainer gardeningContainer gardeningIndoor gardeningIndoor gardening
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Energy Use in Chemical AgricultureEnergy Use in Chemical Agriculture
17% off US energy is used for Agriculture17% off US energy is used for AgricultureThe Green Revolution increased the The Green Revolution increased the energy flow by an average of 50 timesenergy flow by an average of 50 timesIn 1990 we used 100 gal of oil to produce In 1990 we used 100 gal of oil to produce food on one acrefood on one acreOil reserves will be insufficient to meet Oil reserves will be insufficient to meet demand by 2020 (UN Development demand by 2020 (UN Development ProgrammeProgramme))
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Energy Use in Organic AgricultureEnergy Use in Organic Agriculture
Uses less fossil fuel fertilizers (31% 0f Uses less fossil fuel fertilizers (31% 0f chemical agriculture budget) chemical agriculture budget) Many studies have indicated that organic Many studies have indicated that organic is only 58is only 58--90% as productive90% as productiveAs a result, in some cases, organic As a result, in some cases, organic actually uses more energy per yield than actually uses more energy per yield than chemical agriculture.chemical agriculture.
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Agricultural ProductivityAgricultural Productivity
Peppers; 11 times (1100%) the US AveragePeppers; 11 times (1100%) the US AverageEggplant; 7 times the US AverageEggplant; 7 times the US AverageCarrots; 7.4 times the US Average, Carrots; 7.4 times the US Average,
487 lbs./bed (100 sq. ft.)487 lbs./bed (100 sq. ft.)Onions; 4.2 times the US Average, 380 lbs./bedOnions; 4.2 times the US Average, 380 lbs./bedRye; 12 times the US AverageRye; 12 times the US AverageGarlic; 3 times the US AverageGarlic; 3 times the US Average
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Plant to Invite Beneficial InsectsPlant to Invite Beneficial Insects
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Steve MooreSteve Moore [email protected][email protected]
919919--218218--46424642
For more information on For more information on Biointensive contact:Biointensive contact:
Ecology ActionEcology Action www.growbiointensive.orgwww.growbiointensive.org
5798 Ridgewood Rd.5798 Ridgewood Rd. Willits CA 95490Willits CA 95490