DIRECT SEEDING

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DIRECT SEEDING

• Establishing a Forest With Seed
• Gary Beyer, District Forester
• Iowa Department of Natural Resources

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REFORESTATION TECHNIQUES

• Seedling Planting
• Direct Seeding

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Walnut Planting 10 Yrs. Old
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Site Preparation

• Crop ground
• Disk Several Times
• Pasture/Brome
• Mow grass in August.
• Spray 2 quarts of Roundup in September
• Plow and Disk

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• Spray maintenance will depend upon the type of
  weed control problem you have.
• Pre-emergents Princep and Pendulum
• Post-emergents Transline, Fusilade, and Oust

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Weed Control

• Year One (Fall or early Spring)
• Pendulum 2 quarts per acre
• Goal 2-quarts per acre fall only
• And
• Mid-June
• Transline ½ pint/acre for broadleaves and
  Fuslilade 1 pint/acre for grasses (can be applied
  over germinating seedlings)
• Weeds should be less than 12 tall

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• Year Two Fall or early Spring
• 3 quarts Princep 3 Pendulum per acre
• Repeat Transline and Fusilade
• Year Three Fall or early Spring
• ½ ounce of Oust 2 qts. of Princep
• Lack of Weed Control Lack of Success

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Direct Seeding Year 1
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Direct Seeding Year 1
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Direct Seeding Year 2
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Direct Seeding Year 4
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Direct Seeding Year 5
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How Much Seed

• Oak 2 to 4 bushel/acre (60-75/bu.)
• Black Walnut 5-10 bushel/acre (5/bu.)
• Ash ½ to 1 bushel/acre (60/bu)
• Sugar Maple 1/8 to ½ bushel/acre (60/bu)
• Black Cherry ¼ to ½ pound/acre (20/lbs.)

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Seed Handling

• Collect as soon as possible after seed drop
• Store acorns in breathable bags (onion bags,
  burlap sacks, or woven poly seed sacks)
• Immerse acorns in water for 12-14 hours
  immediately after harvest, drain bags, store in
  cool dark place
• Ash Maple Air dry and store in cool dry place

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Advantages of Direct Seeding

• Quicker Establishment
• Higher Quality Timber
• More Natural Appearance
• Better Use of Natural Selection
• Overwhelm the Critters

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Disadvantage of Direct Seeding

• Higher Initial Cost
• Inconsistent Seed Availability
• Exposure of Mineral Soil on Steep Slopes and
  floodplains
• Lack of Control Over Species Mixture

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Direct Seeding Costs

• Site Preparation 50
• Seed 255
• Seeding 70
• Weed Control Year 1 145
• Total Costs Year 1 520
• Weed Control Year 2 155
• Weed Control Year 3 50

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• Reforestation advice and planning is available
  through your IDNR District Forester or through
  private forestry consultants