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Statistical Design of Experiments
Statistical Design of Experiments
Possible Treatment Combinations:
Possible Treatment Combinations:
Level 1
Level 1
Level 2
Level 2
Type of Seed
Type of Seed
Seed Population
Seed Population
Distance between corn
Distance between corn
plants
plants
A
A
2 seeds per
2 seeds per
Natural
Natural
B
BB
5 seeds per
5 seeds per5 seeds per
12 inches
12 inches12 inches
Type of fertilizer
Type of fertilizer
A
AA
B
B
Type of soil
Type of soil
6 inches
6 inches
Top soil
Top soil
Amount of water
Amount of water
Clay
Clay
Irrigation
Irrigation
Main Effects
Main Effects
Natural
Natural
BB
12 inches12 inches
B
B
5 seeds per5 seeds per
Top soil
Top soil
A
A
A
6 inches
6 inches
5 seeds per
Top soil
Top soil
Irrigation
Irrigation
2 seeds per
2 seeds per
Clay
Clay
B
12 inches
A
A
Irrigation
Irrigation
Seed Type A, 5 seeds per, 6 inches
Seed Type A, 5 seeds per, 6 inches
between plants, fertilizer A, top soil,
between plants, fertilizer A, top soil,
irrigation
irrigation
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