fitting cover crops into your rotation. step 1: identify the issue weed management nitrogen fixation...
TRANSCRIPT
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Fitting cover crops into your rotation
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Step 1: identify the issue
• Weed management
• Nitrogen fixation
• Organic matter building
• Nutrient “scavenging”
• Erosion prevention
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Step 2: identify limitations
• Climate
• Soil drainage
• Equipment
• Rotation crops
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Step 3: available options
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Step 4: Plan and implement
• Have seed (and inoculant) ready
• Prepare a good seedbed
• Make a termination plan
• Stay flexible, respond to conditions
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Step 5: Assess the results
• What worked, what didn’t?
• Did yield/quality of cash crop improve?
• How could the process be improved next time?
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Choosing the right cover crop
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The Cover Crop Selector Tool
• Case study #1: erosion control– Grow a cover crop in fall after harvest to
prevent spring soil erosion
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The Cover Crop Selector Tool
• Case study #2: nitrogen fixation– Grow a legume in
rotation to fix some nitrogen for the subsequent crop
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The Cover Crop Selector Tool
• Case study #3: combination of factors– Unable to plant cash crop– Want to cover soil during season– Want something that will suppress weeds,
build soil and scavenge nutrients
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Project funded by Agriculture Canada
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Summary
1.Know your conditions
2.Make a plan
3.Stay flexible, adapt to changing conditions
4.Use decision-making tools
5.Assess the results, modify techniques as necessary
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