Soil fertility erosion and the associated cost of NPK removed under different soil and residue management in GhanaCharles Quansah, AS Amankwah, EY Safo et al.|Ghana Journal of Agricultural Science|2000Cited by 25
Potential of<i>Chromolaena odorata, Panicum maximum</i>and<i>Pueraria phaseoloides</i>as Nutrient Sources and Organic Matter Amendments for Soil Fertility Maintenance in GhanaCharles Quansah, Abu El-Eyuoon Abu Zied Amin, Daniel Ntiamoah Afreh et al.|Biological Agriculture & Horticulture|2001Cited by 17