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This study analyzes the past, current and potential future deforestation resulting from the improvement of the road segment between San Juan Nepomuceno and the 6th route (PR-L1080) in Southeastern Paraguay. For the purpose of the analysis, the study used satellite images to detect deviations from...


Reymondin, LouisArévalos, FabianaPalacios, FernandoCaballero, JazmínOrtiz, EdderBáez, MarcosArango, DavidBautista, OscarYanosky, AlbertoVillalba, Alberto[Indirect Impact Assessment of the road segment San Juan Nepomuceno-Ruta 6 in Paraguay]Indirect Impact Assessment of the road segment San Juan Nepomuceno-Ruta 6 in Paraguay

Production of livestock and dairy products in Sub-Saharan Africa struggles to keep pace with growing demand. The potential exists to close this gap in a climate-friendly way through the introduction of improved forage varieties of the Brachiaria genus. We assess the potential economic impact of t...


Schiek, BenGonzález, Carlos EduardoMwendia, Solomon W.Prager, Steven D.[Got forages? Understanding potential returns on investment in Brachiaria spp. for dairy producers in Eastern Africa = Comprender los retornos potenciales de la inversión en Brachiaria ssp. para los productores de leche en el Este de África]Got forages? Understanding potential returns on investment in Brachiaria spp. for dairy producers in Eastern Africa = Comprender los retornos potenciales de la inversión en Brachiaria ssp. para los productores de leche en el Este de África

To meet rising demand for rice, it is estimated that the global rice production needs to increase by 116 million tons by 2035. Much of the increase has to come from smallholder rice farmers in developing countries. In this article, we review 25 evaluation studies on new rice technologies and prac...


Yamano, TakashiArouna, AminouLabarta, R.A.Huelgas, Zenaida M.Mohanty, Samarendu[Adoption and impacts of international rice research technologies]Adoption and impacts of international rice research technologies

Accurate identification of crop cultivars is crucial in assessing the impact of crop improvement research outputs. Two commonly used identification approaches, elicitation of variety names from farmer interviews and morphological plant descriptors, have inherent uncertainty levels. Genotyping-by-...


Rabbi, Ismail Y.Kulakow, P.A.Manu-Aduening, J.A.Dankyi, Ansong A.Asibuo, James Y.Parkes, Elizabeth YAbdoulaye, TahirouGirma, GezahegnGedil, Melaku ARamu, PunnaReyes, ByronMaredia, Mywish K.[Tracking crop varieties using genotyping-by-sequencing markers: a case study using cassava (Manihot esculenta Crantz)]Tracking crop varieties using genotyping-by-sequencing markers: a case study using cassava (Manihot esculenta Crantz)

The Challenge Program on Water and Food pursues food security and poverty alleviation through the efforts of some 50 research-for-development projects. These involve almost 200 organizations working in nine river basins around the world. An approach was developed to enhance the developmental impa...


Douthwaite, BoruÁlvarez, S.Cook, Simon E.Davies, R.George, P.Howell, JMackay, R.Rubiano Mejía, Jorge Eliécer[Participatory impact pathways analysis : A practical application of program theory in research-for-development]Participatory impact pathways analysis : A practical application of program theory in research-for-development
Sachs, Jeffrey D.Remans, RoselineSmukler, Sean M.Winowiecki, Leigh A.Andelman, Sandy J.Cassman, Kenneth G.Castle, DavidDeFries, RuthDenning, GlennFanzo, JessicaJackson, Louise E.Leemans, RikLehmann, JohannesMilder, Jeffrey C.Naeem, ShahidNziguheba, GenerosePalm, Cheryl A.Pingali, Prabhu L.Reganold, John P.Richter, Daniel D.Scherr, Sara J.Sircely, Jason A.Sullivan, ClareTomich, Thomas P.Sánchez, Pedro A.[Effective monitoring of agriculture : a response]Effective monitoring of agriculture : a response
Bouis, Howarth E.Hotz, CMcClafferty, Bonnie F.Meenakshi, J.V.Pfeiffer, Wolfgang H.[Biofortification: a new tool to reduce micronutrient malnutrition]Biofortification: a new tool to reduce micronutrient malnutrition
Francesconi, Gian N.Ruben, Ruerd[FairTrade’s theory of change: an evaluation based on the cooperative life cycle framework and mixed methods]FairTrade’s theory of change: an evaluation based on the cooperative life cycle framework and mixed methods

Scores of assessments of the impacts of agricultural research have been carried out over the years. However, few appear to have been used to improve decision making and the effectiveness of research programmes. The Institutional Learning and Change (ILAC) Initiative emerged within the Consultativ...


Watts, J.Horton, D.Douthwaite, BoruLa Rovere, RThiele, GrahamPrasad, SStaver, Charles[Transforming impact assessment : Beginning the quiet revolution of institutional learning and change]Transforming impact assessment : Beginning the quiet revolution of institutional learning and change

BACKGROUND In southern Africa, conservation agriculture (CA) has received a lot of research and promotional support from various organizations in the past decades. Conservation agriculture is largely promoted as one of the few win–win technologies affordable to farmers, in the sense that potentia...


Mango, NelsonSiziba, ShephardMakate, Clifton[The impact of adoption of conservation agriculture on smallholder farmers’ food security in semi-arid zones of southern Africa]The impact of adoption of conservation agriculture on smallholder farmers’ food security in semi-arid zones of southern Africa

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