1.A scientist recommended that 75 kg of N and 6 kg of P should be applied to a hectare sorghum. NPK (23-10-5+6S+1Zn) and Urea (46% N) are the only fertilisers available at a local market. A farmer has a field measuring 124 m by 109 m. Advise the farmer on how much NPK and Urea fertilisers can be applied to the field at basal dressing and top dressing respectively.
NOTE: N is contained as N
P is contained as P2O5
K is contained as K2O