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3 years ago

You are provided with a compound fertilizer

Mathematics

1 answer:

JulijaS [17]3 years ago

8 0

Answer:

a. 300 Kg of fertilizer

b. 225 Kg of fertilizer

c. 400 Kg of fertilizer

d. 600 Kg of fertilizer

Step-by-step explanation:

Step 1: The values 40 - 15 - 10 gives the percentage compositions of Nitrogen, Phosphorus and Potassium present in the compound fertilizer.

40 % Nitrogen = 40/100 = 0.4

15 % Phosphorus = 15/100 = 0.15

10 % Potassium = 10/100 = 0.1

Step 2: To determine the quantity of fertilizer required per hectare to supply the various nutrients at the given quantities per hectare, the quantity to be supplied is divided by their percentage composition.

a. Nitrogen at 120 kg/ha will require 120/0.4 = 300 Kg of fertilizer

b. Nitrogen at 90 kg/ha will require 90/0.4 = 225 Kg of fertilizer

c. Phosphorus(P₂O₅) at rate of 60 kg/ha will require 60/0.15 = 400 Kg of fertilizer

d. Potassium (K₂O) at rate of 60 kg/ha. will require 60/0.1 = 600 Kg of fertilizer

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