Gce Model Questions Vol1 2018 Agricultural Science Question 5
Practice objective / multiple choice question 5 from the 2018 Gce Model Questions Vol1 Agricultural Science examination.
A farmer targets 8 t ha\(^{-1}\) of maize. Soil tests show available N = 60 kg ha\(^{-1}\), P = 20 kg ha\(^{-1}\), K = 30 kg ha\(^{-1}\). Crop removal rates are 20 kg N t\(^{-1}\), 5 kg P t\(^{-1}\), 15 kg K t\(^{-1}\). Fertiliser sources are urea (46 % N), DAP (18 % N, 46 % P\(_2\)O\(_5\)), and MOP (60 % K\(_2\)O). Convert P\(_2\)O\(_5\) to P (multiply by 0.44) and K\(_2\)O to K (multiply by 0.83). Calculate the required amounts of urea, DAP and MOP (kg ha\(^{-1}\)) to meet the nutrient deficits (round to the nearest kilogram).
Answer Options
About This Question
This is Gce Model Questions Vol1 2018 Agricultural Science Question 5. It is one of the objective questions from the 2018 Gce Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
Master the Exam!
You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.