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Crop-livestock integration (CLI) to improve natural resource management for increased productivity is evolving in Nigeria and West Africa. Processes in the evolution and factors that influence it still need to be well understood. This article proposes and tests a new framework for measuring the m...


Manyong, Victor M.Okike, I.Williams, Timothy O.[Effective dimensionality and factors affecting crop-livestock integration in West African savannas: a combination of principal component analysis and Tobit approaches]Effective dimensionality and factors affecting crop-livestock integration in West African savannas: a combination of principal component analysis and Tobit approaches

Applying stochastic frontier Cobb–Douglas production function, the study assessed the efficiency of sweet potato (Ipomoea batatas) producers in the Southern region of Ethiopia. The study revealed the existence of fairly large technical inefficiency in sweet potato production. The technical effici...


Jote, A.Feleke, S.Hirpa Tufa, S.Manyong, Victor M.Lemma, T.[Assessing the efficiency of sweet potato producers in the southern region of Ethiopia]Assessing the efficiency of sweet potato producers in the southern region of Ethiopia
Awotide, B.A.Alene, Arega D.Abdoulaye, TahirouManyong, Victor M.[Impact of agricultural technology adoption on asset ownership: the case of improved cassava varieties in Nigeria]Impact of agricultural technology adoption on asset ownership: the case of improved cassava varieties in Nigeria

This paper examines the impacts of access to extension services and cooperative membership on technology adoption, asset ownership and poverty using household-level data from rural Nigeria. Using different matching techniques and endogenous switching regression approach, we find that both extensi...


Assfaw Wossen, TesfamichealAbdoulaye, TahirouAlene, A.Haile, M.G.Feleke, S.Olanrewaju, A.S.Manyong, Victor M.[Impacts of extension access and cooperative membership on technology adoption and household welfare]Impacts of extension access and cooperative membership on technology adoption and household welfare

Farmers in western Kenya are still facing the problem of Striga, the major constraint to cereal production threatening food security of thousands of poor farming households. Some Striga species also attack tropical legumes hence further augmenting protein malnutrition of vulnerable younger childr...


Mignouna, Djana B.Manyong, Victor M.Mutabazi, K.D.Senkondo, E.Madulu, R.B.Labintan, C.A.Akinola, Adebayo A.[Economic analysis of Imazapyrresistant maize technology for small farm households in western Kenya]Economic analysis of Imazapyrresistant maize technology for small farm households in western Kenya

This paper estimates a more efficient version of an endogenous switching regression model to examine the effects of farmer education—schooling and extension contact—on cowpea production under traditional and improved technology in northern Nigeria. The results revealed significant productivity-en...


Alene, Arega D.Manyong, Victor M.[The effects of education on agricultural productivity under traditional and improved technology in northern Nigeria: an endogenous switching regression analysis]The effects of education on agricultural productivity under traditional and improved technology in northern Nigeria: an endogenous switching regression analysis

This paper evaluates the impact of a cassava research-for-development program on farm level outcomes.The program was implemented in the Democratic Republic of Congo from 2001 to 2009. We apply pro-pensity score matching, Rosenbaum bounds on treatment effects, Altonji et al. method of selection on...


Rusike, J.Mahungu, N.M.Lukombo, S.Kendenga, T.Bidiaka, S.Alene, A.Lema, A.Manyong, Victor M.[Does a cassava researchfordevelopment program have impact at the farm level? Evidence from the Democratic Republic of Congo]Does a cassava researchfordevelopment program have impact at the farm level? Evidence from the Democratic Republic of Congo

Agricultural intensification involving greater crop-livestock interactions and integration is emerging as the most promising strategy for improving agricultural production and productivity in much of sub-Saharan Africa. In West Africa, where this process is at various stages of evolution, 559 far...


Okike, I.Jabbar, M.A.Manyong, Victor M.Smith, Jimmy W.Ehui, Simeon K.[Factors affecting farm-specific production efficiency in the Savanna zones of West Africa]Factors affecting farm-specific production efficiency in the Savanna zones of West Africa

Crop-livestock integration (CLI) to improve natural resource management for increased productivity is evolving in Nigeria and West Africa. Processes in the evolution and factors that influence it still need to be well understood. This article proposes and tests a new framework for measuring the m...


Manyong, Victor M.Okike, I.Williams, Timothy O.[Effective dimensionality and factors affecting crop-livestock integration in West African savannas: A combination of principal component analysis and Tobit approaches]Effective dimensionality and factors affecting crop-livestock integration in West African savannas: A combination of principal component analysis and Tobit approaches

This paper evaluates the utility of the `learning selection' model of the early adoption process, based on a constructivist conceptual framework, to explain farmers' adoption and rejection of two soil-improving technologies alley farming and the use of Mucuna cover crops. The analysis showed th...


Douthwaite, BoruManyong, Victor M.Keatinge, J.D.H.Chianu, J.N.[The adoption of alley farming and Mucuna : Lessons for research, development and extension]The adoption of alley farming and Mucuna : Lessons for research, development and extension

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