Research Article
On-Farm Experimentation with Improved Maize Seed and Soil Amendments in Southern Ghana: Productivity Effects in Small Holder Farms
Table 1
Soil amendments and rates used in the major cropping season 2017.
| Soil amendments | Rates of application | Treatment names |
| (1) N-P2O5-K2O: 95-37.5–37.5 | 250 kg·ha−1 NPK 15-15–15 + 125 kg·ha−1 urea | Fertilizer | (2) Goat manure (GM) | 5.0 t·ha−1GM | Manure | (3) 50% GM + 50% N-P2O5-K2O, (47.5–18.75–18.75) | 2.5 t·ha−1GM + 125 kg·ha−1 NPK 15-15–15 + 62.5 kg·ha−1 urea | Fert + manure | (4) Control (no amendment) | None | Control |
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