Gce Model Questions Vol1 2018 Agricultural Science Question 5
Practice essay / theory question 5 from the 2018 Gce Model Questions Vol1 Agricultural Science examination. This question covers Crop Production .
A farmer has 2 hectares of land and intends to practice a three‑year crop rotation as follows: Year 1 – maize Year 2 – cowpea (a legume) Year 3 – wheat. Average grain yields are expected to be 5 t ha⁻¹ for maize, 2 t ha⁻¹ for cowpea and 4 t ha⁻¹ for wheat. Nitrogen (N) removal with the harvested grain is 25 kg N t⁻¹ for maize and 20 kg N t⁻¹ for wheat. Cowpea fixes 30 kg N ha⁻¹ into the soil during Year 2. The farmer applies synthetic N fertilizer at 120 kg ha⁻¹ in Year 1 and 100 kg ha⁻¹ in Year 3; no fertilizer is applied in Year 2.
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This is Gce Model Questions Vol1 2018 Agricultural Science Question 5. It is one of the essay questions from the 2018 Gce Model Questions Vol1 Agricultural Science examination.
The question covers Crop Production .
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