Narrow search
Showing 21 - 30 of 32
Cover Image
Development of a regional planning model : consideration of demand, supply and risk factors
Ortmann, Gerald F. - In: Development Southern Africa : quarterly journal 5 (1988) 4, pp. 433-447
Persistent link: https://www.econbiz.de/10001069470
Cover Image
The role of dryland cotton as a source of household income in two magisterial districts of KwaZulu
Wheeler, M. W. - In: Development Southern Africa : quarterly journal 7 (1990) 2, pp. 249-257
Persistent link: https://www.econbiz.de/10001091093
Cover Image
A macro and micro-level perspective of a "traditional" rural area in Southern Africa
Thormeyer, Thilo - In: Quarterly journal of international agriculture 29 (1990) 3, pp. 291-302
Persistent link: https://www.econbiz.de/10001095980
Cover Image
Comparative costs in corn, wheat, and soybeans among major exporting countries
Ortmann, Gerald F.; Rask, Norman; Stulp, Valter J. - 1989
Persistent link: https://www.econbiz.de/10000791712
Cover Image
Land rents and production costs in the South African sugar industry
Ortmann, Gerald F. - In: The South African journal of economics 55 (1987) 3, pp. 249-258
Persistent link: https://www.econbiz.de/10001040873
Cover Image
Resilience to shocks and food insecurity : determinants, and the impact of smallholder jatropha curcas cultivation in Southern Malawi
Chamdimba, Owen Y.; Ortmann, Gerald F.; Zegeye, … - In: African journal of science, technology, innovation and … 13 (2021) 5, pp. 619-633
Persistent link: https://www.econbiz.de/10012649478
Cover Image
Structure and entry barriers to access groundnut markets for intermediary traders in central and northern Malawi
Katunga, Admire; Zegeye, Edilegnaw Wale; Ortmann, Gerald F. - In: Agrekon 60 (2021) 3, pp. 264-279
Persistent link: https://www.econbiz.de/10012623307
Cover Image
The determinants of farmers’ decision to produce African leafy vegetables in the Limpopo province, South Africa
Senyolo, Grany M.; Zegeye, Edilegnaw Wale; Ortmann, … - In: African journal of science, technology, innovation & … 10 (2018) 7, pp. 771-778
Persistent link: https://www.econbiz.de/10012259700
Cover Image
Examining the farmer-buyer relationships in vegetable marketing channels in Eswatini
Dlamini-Mazibuko, Bongiwe Porrie; Ferrer, Stuart; … - In: Agrekon 58 (2019) 3, pp. 369-386
Persistent link: https://www.econbiz.de/10012177576
Cover Image
Impact of Integrated Striga Management (ISM) technology on maize productivity in Northern Nigeria : a treatment effect approach
Baiyegunhi, L. J. S.; Hassan, M. B.; Ortmann, Gerald F. - In: African journal of science, technology, innovation & … 10 (2018) 3, pp. 335-344
Persistent link: https://www.econbiz.de/10012147358