Shifting from extensive to intensive agricultural systems: A case study in the Sudan

Agricultural Systems

Volumn 58, Issue 2, 1998, Pages 253-268

  Ahmed, Mohamed M ^a   Sanders, John H ^a  

^a PURDUE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

AGRICULTURAL EXTENSION; CROP PRODUCTION; FARMING SYSTEM; MODELING; YIELD;

SUDAN;

EID: 0031759248     PISSN: 0308521X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0308-521X(98)00053-5     Document Type: Article

References (16)

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2. Bein F.L. Response to drought in the Sahel. Journal of Soil and Water Conservation. 35:(3):1980;121-124.
3. Crosson, P. and Anderson, N. (1994) Achieving a sustainable agricultural system in Sub-Saharan Africa, Paper No. 7, Post-UNCED Series, Building Blocks for Africa 2025. World Bank, Washington, DC.
4. D'Silva B., Elbadawi I. Indirect and direct taxation of agriculture in Sudan: the role of the government in agricultural surplus extraction. American Journal of Agricultural Economics. 72:(2):1988;431-436.
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6. Habash, M. K. (1990) Potential returns and constraints to the adoption of new technologies in the mechanized rainfed region (eastern vertisols) of the Sudan. PhD thesis, Purdue University, West Lafayette, IN.
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10. Lee, J. G., Southgate, D. D. and Sanders, J. H. (1997) Methods of Economic Assessment of On-Site and Off-Site Costs of Soil Degradation. In Methods for Assessment of Soil Degradation, eds R. Lal, W. H. Blum, C. Valentine and B. A. Stewart, pp. 475-94. CRC Press, Boca Raton, FL.
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13. Samani Z., Hargreaves G.H., Zuniga E., Keller A.A. Estimating crop yields from simulated daily weather data. Applied Engineering in Agriculture. 3:(2):1987;290-294.
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