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Current Newsletter

This website contains archives for the newsletter from 1993-2007. For current news, see Integrated Crop Management News.

Archives 1993-2007

announcements picture Announcements
cropproduction picture Crop Production
insectsandmites picture Insects and Mites
pesticideeducation picture Pesticide Education
plantdiseases picture Plant Diseases
soilfertility picture Soils
weedmanagement picture Weed Management
 Image Gallery

Printable Version

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Crop Production

  • Planter and wet soil

    Planter and wet soil

  • Healthy alfalfa taproot

    Healthy alfalfa taproot

  • Forage crops with cold injury

    Forage crops with cold injury

  • Seeding rate and mortality

    Seeding rate and mortality

  • Seeding rate and harvest population

    Seeding rate and harvest population

  • Corn seedling

    Corn seedling

  • Soybean Extension Research Screenshot

    Soybean Extension Research Screenshot

  • Soil growing degree days

    Soil growing degree days

  • Corn acreage by state

    Corn acreage by state

  • Soybean acreage by state

    Soybean acreage by state

  • Yield response for 15- vs. 30-inch row spacing

    Yield response for 15- vs. 30-inch row spacing

  • Yield response across four planting dates

    Yield response across four planting dates

  • Planting date response model

    Planting date response model

  • United States corn grain yields

    United States corn grain yields

  • Corn and soybean acres for Iowa 1975-2006

    Corn and soybean acres for Iowa 1975-2006

  • Corn tassels

    Corn tassels

  • Residue in corn following corn

    Residue in corn following corn

  • Planting date and plant population

    Planting date and plant population

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This archive is maintained by John VanDyk.
For current news see Integrated Crop Management News.
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