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Harvesting & Storing Grains. What factors determine proper time to harvest grain crops?

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Presentation on theme: "Harvesting & Storing Grains. What factors determine proper time to harvest grain crops?"— Presentation transcript:

1 Harvesting & Storing Grains

2 What factors determine proper time to harvest grain crops?

3 Plant Characteristics Stage of MaturityStage of Maturity Tendency to LodgeTendency to Lodge Tendency to ShatterTendency to Shatter

4 Climatic Factors RainfallRainfall HumidityHumidity TemperatureTemperature

5 Harvesting Methods Direct CombineDirect Combine Windrow - PickupWindrow - Pickup

6 What factors are used in Federal Grain Grading?

7 Federal Grain Grading ClassClass % damaged kernels% damaged kernels % foreign material% foreign material % other classes% other classes

8 What are the factors that affect grain quality?

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

10 What factors affect the quality of stored grain?

11 Improperly Stored Grain High moisture contentHigh moisture content Heat damageHeat damage RottingRotting

12 Improperly Stored Grain Improper DryingImproper Drying Foreign Material presentForeign Material present Insect & Rodent InfestationInsect & Rodent Infestation

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

14 Maintaining Crop Quality Harvest @ proper moisture contentHarvest @ proper moisture content Maintain storage binsMaintain storage bins Protect against pestsProtect against pests

15 Maintaining Crop Quality Provide proper ventillationProvide proper ventillation Secure from fire & wind damageSecure from fire & wind damage Inspect grain frequentlyInspect grain frequently

16 What are the methods of drying grain?

17 Methods of Drying Grain Forced unheated airForced unheated air Forced heated airForced heated air Field DryingField Drying


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