Results 81 to 90 of about 4,447,782 (298)

Seeds of change: The impact of Ethiopia's direct seed marketing approach on smallholders' seed purchases and productivity

American Journal of Agricultural Economics, EarlyView.
Abstract While multiple factors explain low adoption rates of improved varieties by small‐scale farmers in sub‐Saharan Africa, a key supply‐side constraint is the limited availability of seed embodying new traits in the volume, quality, price, and timeliness required by farmers. This constraint is partly attributable to classical failures in the market
Dawit Mekonnen, Gashaw T. Abate, Seid Yimam, Rui Benfica, David J. Spielman, Frank Place   +5 more
wiley   +1 more source

PHENETIC ANALYSIS OF POPULUS NIGRA, P. LAURIFOLIA AND P. × JRTYSCHENSIS IN NATURAL HYBRIDIZATION ZONE

Вавиловский журнал генетики и селекции, 2018
The wide spread of hybridization in the genus Populus, including spontaneous hybridization, caused by cultivars, requires studying the variability and inheritance of morphological traits by hybrids for initial tracking of these processes. The analysis of
A. V. Klimov, B. V. Proshkin
doaj   +1 more source

[Rezension von: Behnke, Cornelia, Geschlechterforschung und qualitative Methoden] [PDF]

, 2001
Auf weniger als 100 Seiten zeichnen Cornelia BEHNKE und Michael MEUSER die Entwicklung der Geschlechterforschung aus der Frauenforschung nach und erörtern unterschiedliche Vorschläge einer feministischen Methodologie.
Döring, Nicola
core   +1 more source

Choice experiments on land managers' participation in environmental programs: A systematic review and meta‐analysis of estimate validity

American Journal of Agricultural Economics, EarlyView.
Abstract Discrete choice experiments are increasingly being used to estimate land managers' willingness to accept participation in incentive‐based environmental programs. This is a specific application of discrete choice experiments: the estimation of willingness to accept for a private good (program participation) where respondents have to make trade ...
Anastasio J. Villanueva, Angel Perni, Jesus Barreiro‐Hurle   +2 more
wiley   +1 more source

Influence of Environment on Agronomic and Qualitative Traits: 3 Years of KAMUT^® Khorasan Wheat Production

Agronomy
In the present study, 162 samples of KAMUT® khorasan wheat (Triticum turgidum ssp. turanicum) harvested in North America during three cropping seasons (2010, 2011, and 2012) were analyzed to highlight direct and indirect associations with the main ...
Sara Bosi, Rocco Enrico Sferrazza, Stefano Benedettelli, Valeria Bregola, Lorenzo Negri, Giovanni Dinelli   +5 more
doaj   +1 more source

Studies on floral morphology in different genotypes of Jasminum sambac

The Indian Journal of Agricultural Sciences, 2018
The present investigation was undertaken to study the floral morphology behavior among 22 genotypes of Jasminum sambac. Results revealed that among the different genotypes, cluster bearing habit in terminal position was recorded in genotypes Iruvatchi ...
A KALAIYARASI, M V DHANANJAYA, SUJATHA A NAIR, RAJIV KUMAR, H S YOGEESHA, P M MUNIKRISHNAPPA, V DEVAPPA, S PAVITHRA   +7 more
doaj   +1 more source

Improving access to new technologies: An experiment with Kenyan input sellers

American Journal of Agricultural Economics, EarlyView.
Abstract Agrodealers play a critical role in rural economies, selling essential inputs for agricultural production, stocking new products, and providing farmers with technical advice. However, uncertainty can discourage them from stocking newer, less familiar products, limiting the availability of innovative technologies and leading to market failures ...
Sarah W. Kariuki, Francisca N. Muteti, Annemie Maertens, Michael Ndegwa, Hope Michelson, Mercy Mbugua, Jason Donovan   +6 more
wiley   +1 more source

Phenotypic characterization of indigenous chickens reared under an extensive production system in Namibia

Journal of Applied Animal Research
This study characterized indigenous chickens reared in the four selected Northern regions of Namibia, namely Omusati, Oshana, Ohangwena and Kavango East.
Ndiilokelwa P. Petrus, Maria N. T. Shipandeni   +1 more
doaj   +1 more source

Data for: Support or control? Qualitative interviews with Zambian women on male partner involvement in HIV care during and after pregnancy

, 2020
Project Summary The goal of this qualitative study was to generate a better understanding of relationship processes with male partners that affect women’s prevention of mother-to-child HIV transmission (PMTCT)-related health behaviours through a critical
Hampanda, Karen
core   +1 more source

Function-valued traits in evolution [PDF]

, 2013
Many biological characteristics of evolutionary interest are not scalar variables but continuous functions. Given a dataset of function-valued traits generated by evolution, we develop a practical, statistical approach to infer ancestral function-valued ...
Hadjipantelis, PZ, Springate, David A., Knight, Christopher G., Jones, NS, Springate, DA, Knight, C. G. (Christopher G.), Moriarty, J, Jones, Nick S., Hadjipantelis, Pantelis-Zenon, Moriarty, John M., Hadjipantelis, Pantelis Z., Knight, CG, Moriarty, John   +12 more
core   +1 more source