Now showing items 1-10 of 81
Economic losses from Karnal bunt of wheat in Mexico
There has been concern in Mexico in recent years about the impact of the disease Kamal bunt (KB) on the wheat industry; however, to date no comprehensive information has been available on the economic impact of the disease. ...
Sources of growth in wheat yields in Pakistan's Punjab, 1965-2000: is there a sustainability issue?
Wheat yields rose rapidly in the Punjab of Pakistan during the Green Revolution decade, 1966-76, but the rate of growth has been significantly slower in the decade that followed. Official statistics indicate that the yield ...
Fertilizer in les Cayes, Haiti: addressing market imperfections with farm-based policy analysis
CIMMYT's methods for on-farm research (OFR) are now being implemented by many national programs, helping them to identify improved and appropriate technologies for target groups of farmers. These experiences have contributed ...
Le concept de domaine de recommandation: guide pratique d'utilisation pour la recherche agronomique en milieu réel
Les programmes nationaux de recherche agricole s'orientent de plus en plus vers les programmes de recherche dans les conditions de production. Il devient donc npcessaire de bien définir la clientèle de ce type de recherche. ...
The contribution of genetic resources and diversity to wheat productivity: a case from the Punjab of Pakistan
This study makes use of data on wheat production in the Punjab of Pakistan from 1979 to 1985 to 1) examine patterns of varietal diversity in farmers' fields both at the regional and district levels and 2) identify how and ...
Linking global and local approaches to agricultural technology development: the role of participatory plant breeding research in the CGIAR
This paper describes the current state of international plant breeding research and explains why centralized approach to germplasm improvement, so successful in the past, is being transformed by decentralized local breeding ...
Social relations and seed transactions among smallscale maize farmers in the Central Valleys of Oaxaca, Mexico
This paper explores social arrangements associated with seed transactions among smallscale maize farmers in the Central Valleys of Oaxaca, Mexico, a centre of crop genetic diversity. A formal seed distribution system has ...
Maize production practices and problems in Egypt: results of three farmer surveys
The results of three surveys of Egyptian maize farmers are reported. Two of the surveys, carried out in different parts of Egypt, describe farmers' practices and circumstances. The third survey monitors an on-farm experimental ...
Maize in north Veracruz State, Mexico: farmer practice and research opportunities
This report exemplifies the short, well-focuses formal survey emphasized in CIMMYT's on-farm research procedures. The survey was done in northern Veracruz, Mexico, where CIMMYT Maize Production Training carries out on-farm ...
The maize subsector in Paraguay: a diagnostic overview
The maize sector in Paraguay s going through a period of perplexing changes. Despite recent production gains, average maize yields remain far below those which could be achieved with relatively simple changes in management ...