Crop Production Lab 7
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Last updated 9:10 PM on 11/18/25
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15 Terms
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R1
Silk
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R2
blister
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R3
Milk
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R4
Dough
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R5
Dent
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R6
Black Layer
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hypogeal emergence
cotyledon stays below ground, epigeal elongates
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common corn varieties
Dent corn: most common in US
Sweet corn: valuable specialty direct-to-consumer crop
popcorn: hard kernels
flint: heirloom, older
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Nitrogen deficiency sign
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Phosphorus Deficiency
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Potassium Deficiency
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critical range for corn
86 degrees to 50 degrees Fahrenheit
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GDD equation
((daily max+ daily min)/2)-50
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What is the correct sequence of corn reproductive stages
Silking, blister, milking, dough, dent, black layer
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how do you determine corn vegetative stages?
count the nodes
Note 
Flashcards (99)