Masikati, P.; Manschadi, A.; van Rooyen, A.; Hargreaves, J. - In: Agricultural Systems 123 (2014) C, pp. 62-70
Rain-fed crop production systems in the semi-arid tropics of Zimbabwe are characterized by low water productivity (WP), which is partly attributed to inherent low soil fertility, and further exacerbated by continuous cropping without addition of adequate organic and inorganic fertilizers due to...