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