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Conference Paper 1991

Representativeness of farmers and sites in onfarm trials

Autor: Smith, J. Walker, P. Oyewole, B.

In the farming systems approach to technology development, trials are carried out on a limited number of farmers’ fields. Results of these trials are extrapolated to the entire target area and used either to identify directions for further research or to develop recommendations for farmers. Extra...

Enlace original: https://cgspace.cgiar.org/handle/10568/101755

Investigación en Agricultura

FARMING SYSTEMS

TECHNOLOGY

DEVELOPMENT

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Smith, J. , Walker, P. , Oyewole, B. , [Representativeness of farmers and sites in onfarm trials] , Representativeness of farmers and sites in onfarm trials

Conference Paper 2000

Onfarm testing of Mucuna and cowpea double cropping with maize in the Guinea savanna of Nigeria

Autor: Oyewole, B. Carsky, R.J. Schulz, S.

On-farm trials were conducted at Kaduna in the northern Guinea savanna of Nigeria in 1996 and 1997. The objective was to investigate the residual effects of Mucuna and cowpea grown during the first 2-3months of the season on subsequent maize yields, to elicit farmers' feedback on these cropping s...

Enlace original: https://cgspace.cgiar.org/handle/10568/99929

Investigación en Agricultura

FARMERS

COWPEAS

SOIL FERTILITY

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Oyewole, B. , Carsky, R.J. , Schulz, S. , [Onfarm testing of Mucuna and cowpea double cropping with maize in the Guinea savanna of Nigeria] , Onfarm testing of Mucuna and cowpea double cropping with maize in the Guinea savanna of Nigeria

Journal Article 2001

Multiple purpose tree use by farmers using indigenous knowledge in subhumid and semiarid northern Nigeria

Autor: Oyewole, B. Carsky, R.

The northern Guinea savanna is generally known to be suitable for the production of annual crops of short-to-medium duration but is threatened with soil degradation because of inadequate organic inputs. Trees can be one important source of organic supplement to crop fields. Farmers' preferences f...

Enlace original: https://cgspace.cgiar.org/handle/10568/96580

Investigación en Agricultura

AGROFORESTRY

FARMERS

TREES

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Oyewole, B. , Carsky, R. , [Multiple purpose tree use by farmers using indigenous knowledge in subhumid and semiarid northern Nigeria] , Multiple purpose tree use by farmers using indigenous knowledge in subhumid and semiarid northern Nigeria

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Representativeness of farmers and sites in onfarm trials

Onfarm testing of Mucuna and cowpea double cropping with maize in the Guinea savanna of Nigeria

Multiple purpose tree use by farmers using indigenous knowledge in subhumid and semiarid northern Nigeria