@incollection{icrisat10198, address = {UK}, year = {2015}, title = {Varietal Adoption, Outcomes and Impact}, pages = {388--405}, author = {T S Walker and J Alwang and A Alene and J Ndjuenga and R Labarta and Y Yigezu and A Diagne and R Andrade and R M Andriatsitohaina and H D Groote and K Mausch and C Yirga and F Simtowe and E Katungi and W Jogo and M Jaleta and S Pandey and D Kumara Charyulu}, editor = {T S Walker and J Alwang}, publisher = {CGIAR and CAB International}, booktitle = {Crop Improvement, Adoption and Impact of Improved Varieties in Food Crops in Sub-Saharan Africa}, url = {http://oar.icrisat.org/10198/}, abstract = {Parallel to the preceding chapter, we synthesize the results of Chapters 6?17 here. The focus is on outcomes and impacts. Outcomes centre on varietal adoption and turnover; impacts refer to changes in on-farm productivity, poverty and food security. Hypotheses from Chapter 3 are revisited at the end of each thematic section...}, keywords = {Improved varieties, Sub-Sharan Africa, Food crops, Varietal adoption} }