Question

A farmer was advised to apply 200kg of C.A.N fertilizer per hectare, which top dressing the bean crop C.A.N contains 21% nitrogen. Calculate the amount of nitrogen applied per hectare ( show your working)

Answer 1

21kgN contained in 100kg C.A.N
             ?          in  200kg C.A.N. suppliers
21KGN kg x 200kg CAN
        100kg C.A.N.
=42kg N