using biochar for soil organic matter (som ...carbon in feedstock = amount of charcoal/biochar...
TRANSCRIPT
![Page 1: USING BIOCHAR FOR SOIL ORGANIC MATTER (SOM ...CARBON IN FEEDSTOCK = AMOUNT OF CHARCOAL/BIOCHAR PRODUCED FEEDSTOCK MATERIAL C:N RATIO COFFEE GROUNDS 25:1 FRESH WEEDS 20:1 CORN STALKS](https://reader033.vdocument.in/reader033/viewer/2022050203/5f56c079b112bd3e2a5c4f47/html5/thumbnails/1.jpg)
USING BIOCHAR FOR SOIL ORGANIC MATTER (SOM):
FOREST 2 FARMJIM ARCHULETA-R6 WOOD INNOVATION
COORDINATOR
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CARBON IN FEEDSTOCK = AMOUNT OF CHARCOAL/BIOCHAR PRODUCED
FEEDSTOCK MATERIAL C:N RATIO
COFFEE GROUNDS 25:1
FRESH WEEDS 20:1
CORN STALKS 60:1
STRAW OR HAY 90:1
WOODY CHIPS & TWIGS (FOREST BIOMASS) 700:1 (HIGHEST CARBON RESULT)
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FIRST SOME FOREST MANAGEMENT ISSUES
• SCALE R6 (OR & WA):• IN NWFP THERE ARE ABOUT 24.5 MILLION ACRES UNDER MANAGEMENT 16%
• CONGRESSIONAL RESERVES AREAS (PASSIVE MGT)
• LATE SERIAL RESERVE (PASSIVE/ACTIVE MGT)
• ADAPTIVE MANAGEMENT AREAS (LIMITED ACTIVE MGT)
• ADMINISTRATIVE WITHDRAW AREAS (ACTIVE MGT)
• RIPARIAN RESERVES (PASSIVE/ACTIVE MGT)
• MATRIX (3.9 MILLION) ACTIVE MGT/LEAST RESTRICTIVE)
• BUDGET NATION WIDE:• 2017, HALF OF THE FOREST SERVICE BUDGET IS SPENT ON WILDFIRE SUPPRESSION
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FIRST SOME FARM MANAGEMENT ISSUES
• SCALE COLUMBIA BASIN:
• THERE ARE ABOUT 4 MILLION DRY-LAND ACRES BEING FARMED
• LOSS OF 50% SOM ON SOME FARMS
• IF 1% SOM IS EQUIVALENT TO 25,000G/AC WATER SOIL WATER CAPACITY
• SOME FARMS HAVE LOST 1 MILLION G/AC
• LOSS OF SOM CAN REDUCE WATER INFILTRATION UNDER CLIMATE CHANGE
• MUCH OF THE BASIN TO SEE LESS SNOW AND MORE RAIN
• BENEFIT TO FARMING:
• MACHADO
• 5T/AC APPLICATION INCREASED WHAT YIELD ~30%
• PH BENEFIT TO SOIL
• POTENTIAL FOR DRY-LAND FARMING BENEFIT WITH NEW SOIL/WATER CAPACITY
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TWO PROBLEMS ONE SOLUTION
PROBLEM 1) FOREST LANDSCAPES: FUEL LOAD ISSUE RELATED TO WILDFIRE RISKTHE FOREST CAN OFFER A READY FEEDSTOCK SOURCE OF CHARCOAL
PROBLEM 2) FARMS LANDSCAPES: LOSING SOM AND IT’S CAPACITY FOR WATER AND NUTRIENT HOLDINGCHARCOAL WHEN APPLIED TO SOIL CAN MITIGATE SOM LOSSES - BIOCHAR
SOLUTION: TAKE THE BIOMASS ALREADY BEING BURNED IN FOREST MANAGEMENT PILES AND CREATE CHARCOAL TO BENEFIT FARMING
TBD, FIND SUSTAINABLE BIOMASS DEDICATED HARVEST SCENARIOS FOR FUELS REDUCTION
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LANDSCAPE PERSPECTIVE OF MANAGEMENT
• UNTIL LANDSCAPE MANAGEMENT WAS CONSIDERED
• THE FOREST2FARM CONCEPT DID NOT COME INTO FOCUS.
• WHO CAN BE A HIGH OUTPUT BIOCHAR PRODUCER
• MILL OPERATORS – MILL RESIDUES (STATIONARY)
• LOGGERS – TIMBER SALE BRUSH DISPOSAL (MOBILE?)
• FOREST FUEL MANAGERS (FIREFIGHTERS)
• THE LISTED GROUPS REDUCES VEGETATION MANAGEMENT GAPS ACROSS THE LANDSCAPE
• BUT DOES NOT SOLVE CONTIGUOUS FUELS MANAGEMENT ACROSS THE LANDSCAPE
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MOBILE BIOCHAR MANUFACTURING
• CLOSES THE GAP BETWEEN TIMBER SALE LANDINGS AND STATIONARY MANUFACTURING CONTIGUOUS FUELS REDUCTION
• PATENT SUBMISSION • MOBILE CHARCOAL/BIOCHAR PRODUCTION AND PELLETIZER SYSTEM
AND METHOD
• US 2018/0010043 A1
• 2018 COOPERATIVE AGREEMENT TO MODIFY EXISTING EQUIPMENT• AIR BURNERS INC.
• OTHER EQUIPMENT• ROI
• OREGON KILNS…
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TILLED FOREST BIOCHAR TREATMENTS
APPLICATION ON SNOW WHICH CAPTURED MOISTURE
ON SANDY SOILS
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NO-TILL FOREST BIOCHAR TREATMENTS
20T/AC APPLICATION IN LIGHT RAIN
NEXT DAY BIOCHAR TRANSLOCATED BELOW DUFF
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IMPLICATIONS
Soil Organic Content SOM = Soil Water PotentialNRCS – 1% SOM = 25000g/ac
Range/Wildlife• Late Season Forage = HabitatTimber (matrix)/Wildlife (LRS) Soil Moisture = Tree (bf)Farm Management• Soil Moisture = Risk Crop Failure
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BIOCHAR TEST CORE6”DIA X 12” H
SOLUTIONS FROM TEST CORESBIOCHAR CONTROL
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SOLIDS COLLECTED FROM SOLUTIONS
• BIOCHAR SOLIDS AND CONTROL SOLIDS
• <1% DIFFERENCE (BY WEIGHT)
• ASSUME THAT >99% OF APPLIED BIOCHAR WAS RETAINED WITHIN SOIL CORE
• UPPER ROOTING ZONE BENEFIT
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BIOCHAR FARM APPLICATIONS
SEED COATING, INCREASED ROOT DEVELOPMENT
DR. MACHADO (OSU)
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Fig 1. Biochar effects on winter wheat grain yield, 2012-13, Athena, Oregon
Biochar rates (Mg ha-1)
0 20 40 60 80 100
Win
ter w
heat
gra
in y
ield
(Mg
ha-1
)
2.8
3.0
3.2
3.4
3.6
3.8
4.0
4.2
Soi
l pH
5.75
5.80
5.85
5.90
5.95
6.00
6.05
Wheat grain yield Soil pH
Dr. Stephen Machado (OSU-CBARC)