Fuentes externas
URI permanente para esta comunidadhttp://hdl.handle.net/123456789/2
Examinar
43 resultados
community.search.results.head
Ítem Phytosanitary challenges and solutions for roots and tubers in the tropics(Annual Reviews) Andrade-Piedra, Jorge L.; Sharma, Kalpana; Kroschel, Jürgen; Ogero, Kwame; Kreuze, Jan F.; Legg, James P.; Kumar, P. Lava; Spielman, David J.; Navarrete, Israel; Pérez, W.; Atieno, Elly; Garrett, Karen A.Ítem Policy options for advancing seed systems for vegetatively propagated crops in Vietnam(Informa UK Limited) Gatto, M.; Le, Dung Phuong; Pacillo, Grazia; Maredia, Mywish K.; Hareau, Guy; Spielman, David J.; Labarta, Ricardo AntonioÍtem Fiche descriptive pour l'analyse du cadre réglementaire des semences(International Potato Center) McEwan, M.; Spielman, David J.Ítem The cassava seed system in Nigeria: Opportunities and challenges for policy and regulatory reform(International Potato Center) Wossen, T.; Spielman, David J.; Abdoulaye, Tahirou; Kumar, P. LavaÍtem Exploring the regulatory space for improving availability, access and quality of vegetatively propagated crop seed: potato in Kenya(International Potato Center) McEwan, M.; Spielman, David J.; Okello, J.J.; Hareau, Guy; Bartle, B.; Mbiri, D.; Atieno, E.; Omondi, Bonaventure Aman Oduor; Assfaw, T.; González, L.; Abdoulaye, Tahirou; Maredia, Mywish K.Ítem Policy options for advancing seed systems for vegetatively propagated crops in Vietnam(International Potato Center) Gatto, M.; Le, Dung Phuong; Pacillo, Grazia; Maredia, Mywish K.; Hareau, Guy; Spielman, David J.; Labarta, Ricardo AntonioÍtem Phytosanitary challenges and solutions for roots and tubers in the tropics(Annual Reviews) Andrade-Piedra, Jorge L.; Sharma, Kalpana; Kroschel, Jürgen; Ogero, Kwame; Kreuze, Jan F.; Legg, James P.; Kumar, P. Lava; Spielman, David J.; Navarrete, Israel; Pérez, W.; Atieno, Elly; Garrett, Karen A.Ítem The role of genotyping in measuring improved variety adoption and impact: Advances, challenges, and policy directions(Elsevier) Melesse, Mequanint B.; Maredia, Mywish K.; Wossen, Tesfamicheal; Odeny, Damaris; Spielman, David J.; Michelson, Hope; Waza, Showkat Ahmad; Kamunye, Kelvin; Alene, Arega; Dar, Manzoor H.; Afari-Sefa, Victor; Pingali, PrabhuÍtem Estimating seed demand in the presence of market frictions: evidence from an auction experiment in Nigeria(Elsevier) Wossen, T.; Spielman, David J.; Alene, A.; Abdoulaye, T.Ítem User guide to seed regulatory framework analysis and implications for vegetatively propagated crops. RTB User Guide(International Potato Center) McEwan, M.; Spielman, David J.; Gatto, M.; Abdoulaye, Tahirou; Hareau, Guy