Cover Crops and Conservation Tillage
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Transcript of Cover Crops and Conservation Tillage
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Cover Cropsand
Conservation Tillage
Steve GroffHoltwood, PA
www.cedarmeadowfarm.com
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Cover CropsCrop rotationPermanent mulch cover
Enhancing the Environment
Permanent Cover Cropping System
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Permanent Cover Cropping SystemIncreased profitsClean waterHealthy soilReduced pesticidesLess soil erosion
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We in agriculture must carefully balance the "bottom line" and degradation of our finite soil, water and air resources.
Environmental Protection + Economic Profitability
Sustainable Production requires
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Why No Till?
Why Cover Crops?
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“Soil is meant to be
covered”-Steve Groff
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What can Cover Crops do for you?•Manage your water table•Soil Armor-protection from rain, sun, and wind•Green Tillage- using plants to prepare the soil for seeding
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Cover Crop Management Ideas
Plant Cover Crops for Erosion Control
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Grand Canyon
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Cover Crop Mixtures
Diversity Biomass Root growth
Guard against failureof one species
Complementary
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Cover Crop CocktailsAbove ground diversity is a
mirror of below ground diversityMicroorganisms are like cattle-
they need a balanced diet
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Cover Crop Cocktail
$20.00 per acre
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Cover Crop Biology C/N ratio Insect changes Planting dates Challenges
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Hairy Vetch 20-25lbs per acre
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Rye 2 bushel per acre
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60 lbs rye20 lbs hairy vetch
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Soil Health
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Soil is meant to have
something living in it at all times
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Organic matter2.7% 19845.4% 2007
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Cover Crop BiologyThere is a time to killBiological pumping: roots bringing up nutrientsIf you built habitat, they will
come- earthworms
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34 earthworms in a square yard
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Equipment Planter Drill Rolling Stalk Chopper
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Rolling Cover Crops
There is a time to Kill
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No N Applied
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Soil test
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Manure Management
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On Time As soon after harvest as possible Priority Plan
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Cerrado Region Brazil
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Plan ahead!
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Explore Internet Field Days Connect with other farmers
Winter Lentils
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Field Days
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Over 50% of Pumpkins
in Lancaster County are now
no-tilled
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Researchers University NRCS Global
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TillageRadish
Break up compaction Control winter annuals
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32” root
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Bio-drilling
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March 29
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Tillage Radish/Spring Oats
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Grain
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Grass/Legume
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Tillage Radish/Vetch/Rye`
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Rye/tillage radish plots
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Rye/tillage radish
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Tillage Radish/Jerry Oats
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Broadcast Seeded
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Needs 60 lbs of N
Seeding Rate10 lbs per Acre
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Tillage Radish cover crop 2.5 acre demonstration plotCorn Yields (dealer had weigh wagon)
No cover crop 180 bu/acre Barley cover crop 193 bu/acre
Tillage Radish cover crop 221 bu/acre
41 bushel increase!
Dan MagnessWhite Hall, MD 21161
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But how much will tillage radishes increase my yields??
University of Maryland research indicates an 8-12 bushel corn yield increase
can be expected after planting tillage radishes
the previous fall.
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“They till the soil and don’t even hurt the earthworms. Actually, they helpthe earthworms by giving them something to eat!”-David Groff
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“No piece of steel can benefit
the soil like roots from a good cover crop”
-Steve Groff
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Deep Tillage Tools?
You decide…
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Crop Residue Management
Old Method?
Older Method?
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Monuments of the past!
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Environment Economics
Agriculture's Delicate Balance
Environmental Protection +
Economic Profitability
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Permanent Cover Cropping System
Steve GroffCedar Meadow Farm
Holtwood, PA
steve@cedarmeadowfarm.
com
www.cedarmeadowfarm.com
Enhancing the Environment