Items where Author is "Verhagen, A."

Rufino, M. C. and Tittonell, P. and Reidsma, P. and López-Ridaura, S. and Hengsdijk, H. and Giller, K. E. and Verhagen, A. (2009) Network analysis of N flows and food self-sufficiency-a comparative study of crop-livestock systems of the highlands of East and southern Africa. Nutrient Cycling in Agroecosystems, 85 (2). pp. 169-186. ISSN 1385-1314

Rufino, M. C. and Hengsdijk, H. and Verhagen, A. (2009) Analysing integration and diversity in agro-ecosystems by using indicators of network analysis. Nutrient Cycling in Agroecosystems, 84 (3). pp. 229-247. ISSN 1385-1314

Rufino, M. C. and Verhagen, A. and Hengsdijk, H. and Langeveld, J. W.A. and Ruben, R. and Dixon, J. M. and Giller, K. E. (2008) Low-cost economic and environmental performance assessment of farm households systems : Application to mixed crop-livestock systems in the Ethiopian highlands. Journal of Sustainable Agriculture, 32 (4). pp. 565-595. ISSN 1044-0046