If a crop requires 1.5 kg phosphorus per hectare, how man...
If a crop requires 1.5 kg phosphorus per hectare, how many kg of manure will be required per hectare if 1 kg manure contains 0.49 kg of phosphorus?
2.47
2.97
7.35
12.39
30.61
Correct answer is E
No explanation has been provided for this answer.
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