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Weed learning module
Answer ...
How do you calculate seeds per square foot from the sample?
Step 1:
Area of 12 cores sampled in square feet = (12 cores) x (2.75/2 in.)2 x 3.1416 (the value of pi) x (1 ft2 / 144 in2) = .495 ft2
Step 2:
Seeds in 12 cores =
(number of seeds / 5 lbs of soil) x (lbs of soil from 12 cores)
Step 3:
Seeds / square foot =
seeds in 12 cores / area of 12 cores in square feet.
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