4. Using a 30-10-15 synthetie fertilizer, you wish to apply 250 lbs of N/acre to

Question

4. Using a 30-10-15 synthetie fertilizer, you wish to apply 250 lbs of N/acre to 2 acres of land. (5 pts) a. How much fertilizer (lbs fert.) do you need to apply total (show your work)? You would prefer to add the N using manure as organic fertilizer. Manure contains only 5% N co pared to N found in the bag of synthetic fertilizer. How many lbs of manure would you need to add b 5. Using a 20-15-10 synthetic fertilizer, you wish to apply 175 lbs. of K to an acre of land. How much fertilizer do you need to apply? (NOTE: Units are 175 lbs of K per acre, not 175 lbs K20) (5 pts) 6. Using a 20-10-15 synthetic fertilizer, you wish to apply 250 lbs. of N/acre to 3 acres of land. (5 pts) a. How much fertilizer (lbs.) do you need to apply? Show your work. When you apply recommended N fertilizer (answer to previous questions, in lbs), how much P20s would you be adding at the same time? b.

Explanation / Answer

Answer:

4) 30-10-15 synthetic fertilizer contains contains 30% Nitrogen (N), 10% Phosphorus (P2O5) and 15% Potassium (K2O).

a)

b)

5)

20-15-10 synthetic fertilizer contains contains 20% Nitrogen (N), 15% Phosphorus (P2O5) and 10% Potassium (K2O).

6)

a)

20-10-15 synthetic fertilizer contains contains 20% Nitrogen (N), 10% Phosphorus (P2O5) and 15% Potassium (K2O).

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