Helsen, J.    

Firstname:J. 
Surname:Helsen 
Email: 
Institute:IITA 
Homepage: 
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16 publications (0 read)





Publications as Author



2014

A global alliance declaring war on cassava viruses in Africa, Legg, J., Somado, E. A., Barker, I., Beach, L., Ceballos, H., Cuellar, W., Elkhoury, W., Gerling, D., Helsen, J., Hershey, C., Jarvis, A., Kulakow, P., Kumar, P. L., Lorenzen, J.+, Lynam, J.*, McMahon, M., Maruthi, G., Miano, D.*, Mtunda, K.*, Ntawuruhunga, P., Okogbenin, E.*, Pezo, P.*, Terry, E., Thresh, M., Wadsworth, J., Walsh, S., Winter, S., Tohme, J. and Fauquet, C., in: Food Security, volume 6, pages 231-248, ISSN 1876-4517, 2014. [DOI]
 

2008

A participatory approach to increasing productivity of maize through Striga hermonthica control in Northeast Nigeria, Kamara, A., Ellis-Jones, J., Amaza, P., Omoigui, L., Helsen, J., Dugje, I.*, Kamai, N.*, Menkir, A. and White, R., in: Experimental Agriculture, volume 44, number 3, pages 349-364, ISSN 0014-4797, 2008. [DOI]
 

2007

A participatory adoption of improved crop technologies in the savannas of West Africa: empirical study from Borno, Nigeria, Amaza, P., Ellis-Jones, J., Kamara, A., Helsen, J. and Gaya, H.*, in: 8th African Crop Science Society Conference, 27-31 Oct. 2007: proceedings, pages 1369-1375, 2007.
 

2006

Determinants and measurement of food insecurity in Nigeria: some empirical policy guide, Amaza, P., Umeh, J., Helsen, J. and Adejobi, A. O.*, in: 26th Conference of the International Association of Agricultural Economists, 12-18 August, 2006, 26th Conference of the International Association of Agricultural Economist, 12-18 August, 2006, 2006.
 
Building Capacity, Amaza, P., Helsen, J., Olayemi, J. K.* and Ellis-Jones, J., in: IITA PROSAB Policy Briefs, volume 1, 2006.
 
Improving social capita in rural areas, Amaza, P., Helsen, J., Olayemi, J. K.* and Ellis-Jones, J., 2006.
 
Mitigating the effect of HIV/AIDS on agricultural development, Amaza, P., Helsen, J., Olayemi, J. K.* and Ellis-Jones, J., 2006.
 
Improving seed supplies, Amaza, P., Helsen, J., Olayemi, J. K.* and Ellis-Jones, J., 2006.
 
Gender mainstreaming in agriculture In: IITA PROSAB Policy Briefs, Amaza, P., Helsen, J., Olayemi, J. K.* and Ellis-Jones, J., International Institute of Tropical Agriculture (IITA), 2006.
 
Improving fertiliser distribution, Amaza, P., Helsen, J., Olayemi, J. K.* and Ellis-Jones, J., 2006.
 
Promoting savings and Credit, Amaza, P., Helsen, J., Olayemi, J. K.* and Ellis-Jones, J., 2006.
 
Improving agricultural output marketing and agro-processing, Amaza, P., Helsen, J., Olayemi, J. K.* and Ellis-Jones, J., 2006.
 
Improving soil fertility management, Amaza, P., Helsen, J., Olayemi, J. K.* and Ellis-Jones, J., 2006.
 
Ensuring environmental sustainability, Amaza, P., Helsen, J., Olayemi, J. K.* and Ellis-Jones, J., in: IITA PROSAB Policy Briefs, 2006.
 
Improving crop-livestock linkages, Amaza, P., Helsen, J., Olayemi, J. K.* and Ellis-Jones, J., 2006.
 
Introducing Participatory Research and Extension Aproaches (PREA), Amaza, P., Helsen, J., Olayemi, J. K.* and Ellis-Jones, J., 2006.