Ainda não temos significados para "actual nitrogen".
1Two sacks weighs 100 pounds and contains 6 pounds of actual nitrogen.
2That means four sacks weighs 100 pounds and contains 1 pound of actual nitrogen.
3If steer manure costs $1.50 per sack, six pound of actual nitrogen from steer manure costs 24 x $1.50 = $36.00
4If fifty pounds of cottonseed meal costs $7.50, then six pounds of actual nitrogen from cottonseed meal costs 2 x $7.50 = $15.00.
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