This article identifies key characteristics of participatory research and development(R&D) in the agricultural sector: it is client-driven, requires decentralized technology development, devolves to farmers the major responsibility for adaptive testing, and requires institutions and individuals to become accountable for the relevance and quality of technology on offer. Through case study material drawn from Latin America, Asia and Africa, the article then reviews ways by which institutions have responded to these characteristics and raises issues for further elaboration. Steps need to be taken, in particular, to safeguard equity, both between the more and less vocal groups of farmers, and between the requirements of present and future generations (the latter referring particularly to environmental concerns). It is argued that participatory R&D alone is insufficient to deliver innovations relevant to diverse client groups: policy mechanisms are required to define which clients are to participate, whose agendas are to drive the process, and what organizational innovations are needed to move agricultural R&D in these directions. 相似文献
This paper seeks to review the long‐term policy choices Australia faces if full employment is to be restored. Using cross‐national data for the period 1972–88, it identifies the variety of routes taken to mass unemployment and full employment It then discusses the diverse policy strategies underlying routes to full employment and examines the possibility and desirability of their adoption in Australia. 相似文献
The municipal waste disposal crisis has received considerable public attention in recent years, particularly as it has become increasingly difficult, both financially and politically, to dispose of the steadily growing volume of waste. With municipalities under pressure to find acceptable alternatives to the traditional forms of refuse disposal - landfilling and incineration - the recycling of household waste has been advocated by policy makers and some environmentalists as a possible solution. The purpose of this study is to examine the factors influencing the collection and disposal of household recyclables, as well as the effectiveness of institutional strategies to induce residents' participation in such a program. The study area is the city of Brandon, Manitoba, a settlement of some 40 000 people, 210 kilometres west of Winnipeg. To obtain a representative overview of the recycling behaviour of the population, three groups totalling a sample of 490 respondents, were investigated. Two of these groups were made up of people who actively recycle, and the third constituted a control group made up of those who do not engage in recycling activities. An overview of the municipal initiatives in Brandon, and an analysis of the data collected in the study, as well as statistics available on recycling programs from other sources, indicate that the recently introduced services and facilities have contributed to make significant qualitative changes but with limited success in dealing with the real magnitude of the solid waste problem. It is suggested that the goals of the various strategies have been established, but there is currently little incentive -apart from personal satisfaction - for residents to participate. This would seem to explain the limited success, in quantitative terms, of the programs to date 相似文献
Historia, utopía y ficción de la Ciudad de los Césares. Metamorfosis de un mito. Por FERNANDO AINSA. Madrid: Alianza Editorial, 1992. Pp. 120.
Cultural Diffusion of Spanish Humanism in New Spain: Francisco Cervantes de Salazar's ‘Diálogo de la dignidad del hombre.’ By DIANNE M. BONO. New York: Peter Lang, 1991. Pp. 161.
Soldiers of the Virgin: The Moral Economy of a Colonial Maya Rebellion. By KEVIN GOSNER. Tucson: University of Arizona Press, 1992. Pp. xiv, 227.
La crisis del orden colonial. Estructura agraria y rebeliones populares de la Nueva España, 1750–1821. By ERIC VAN YOUNG. México: Alianza Editorial, 1992. Pp. 515.
Esthetic Recognition of Ancient Amerindian Art. By GEORGE KUBLER. New Haven: Yale University Press, 1991. Pp. xvii, 276.
Books of the Brave: Being an Account of Books and of Men in the Spanish Conquest and Settlement of the Sixteenth‐Century New World. By IRVING A. LEONARD. Introduced by ROLENA ADORNO. Berkeley: University of California Press, 1992. Pp. xlvii, 453.
Family and Frontier in Colonial Brazil: Santana de Parnaíba, 1580–1822. By ALIDA C. METCALF. Berkeley: University of California Press, 1992. Pp. xvi, 280.
Los naufragios. By ALVAR NUÑEZ CABEZA DE VACA. Edición crítica de ENRIQUE PUPO‐WALKER. Madrid: Castalia, 1992. Pp. 334.
Estudios de literatura hispanoamericana. Sor Juana Inés de la Cruz y otros poetas barrocos de la colonia. By GEORGINA SABAT‐RIVERS. Barcelona: PPU, 1992. Pp. 355.
Vida i sucesos de la monja alférez. Autobiografía atribuida a Doña Catalina de Erauso. Edición, introducción y notas de RIMA DE VALLBONA. Tempe: Center for Latin American Studies, Arizona State University, 1992. Pp. 236. 相似文献
This paper presents and discusses the Neutron Activation Analysis (NAA) results newly obtained from pumice pieces found decades ago at the Egyptian sites of Maiyana, Sedment, Kahun, and Amarna – now in the collections of the Ashmolean Museum, Oxford, and the Petrie Museum of Egyptian Archaeology, London – which could be successfully related to several volcanic eruptions in the Mediterranean. The work contributes to the constant accumulation of knowledge concerning the first appearance of pumice from the so-called Minoan eruption of the Santorini volcano. In addition, it unexpectedly sheds more light on the long-distance trade of Mediterranean volcanic material in the Bronze Age world by disclosing another connection between Lipari and the Eastern Mediterranean. 相似文献