Transcript Harvesting & Storing Grains What factors determine proper time to harvest grain crops? Plant Characteristics •Stage of Maturity •Tendency to Lodge •Tendency to Shatter.

Harvesting
& Storing
Grains
What factors
determine proper
time to harvest
grain crops?
Plant Characteristics
•Stage of Maturity
•Tendency to Lodge
•Tendency to Shatter
Climatic Factors
•Rainfall
•Humidity
•Temperature
Harvesting Methods
•Direct Combine
•Windrow - Pickup
What factors
are used in
Federal Grain
Grading?
Federal Grain Grading
•Class
•% damaged kernels
•% foreign material
•% other classes
What are the
factors that affect
grain quality?
Grain Quality Factors
•Purity of variety
•% of weeds
•% of diseased &
damaged kernels
What factors
affect the quality
of stored grain?
Improperly Stored Grain
•High moisture
content
•Heat damage
•Rotting
Improperly Stored Grain
•Improper Drying
•Foreign Material
present
•Insect & Rodent
Infestation
How can crop
quality be
maintained during
harvest & storage?
Maintaining Crop Quality
•Harvest @ proper
moisture content
•Maintain storage bins
•Protect against pests
Maintaining Crop Quality
•Provide proper
ventillation
•Secure from fire & wind
damage
•Inspect grain frequently
What are the
methods of
drying grain?
Methods of Drying Grain
•Forced unheated air
•Forced heated air
•Field Drying