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Harvesting & Storing Grains

Harvesting & Storing Grains. Original Power Point Created by Brent Niemeyer Modified by Georgia Agricultural Education Curriculum Office June 2002. What factors determine proper time to harvest grain crops?. Plant Characteristics. Stage of Maturity Tendency to Lodge Tendency to Shatter.

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Harvesting & Storing Grains

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  1. Harvesting & Storing Grains Original Power Point Created by Brent Niemeyer Modified by Georgia Agricultural Education Curriculum Office June 2002

  2. What factors determine proper time to harvest grain crops?

  3. Plant Characteristics • Stage of Maturity • Tendency to Lodge • Tendency to Shatter

  4. Climatic Factors • Rainfall • Humidity • Temperature

  5. Harvesting Methods • Direct Combine • Windrow - Pickup

  6. What factors are used in Federal Grain Grading?

  7. Federal Grain Grading • Class • % damaged kernels • % foreign material • % other classes

  8. What are the factors that affect grain quality?

  9. Grain Quality Factors • Purity of variety • % of weeds • % of diseased & damaged kernels

  10. What factors affect the quality of stored grain?

  11. Improperly Stored Grain • High moisture content • Heat damage • Rotting

  12. Improperly Stored Grain • Improper Drying • Foreign Material present • Insect & Rodent Infestation

  13. How can crop quality be maintained during harvest & storage?

  14. Maintaining Crop Quality • Harvest @ proper moisture content • Maintain storage bins • Protect against pests

  15. Maintaining Crop Quality • Provide proper ventillation • Secure from fire & wind damage • Inspect grain frequently

  16. What are the methods of drying grain?

  17. Methods of Drying Grain • Forced unheated air • Forced heated air • Field Drying

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