Now showing items 1-10 of 52
Farmer access and differential impacts of zero tillage technology in the subsistence wheat farming systems of West Bengal, India
The present study was carried out with the broad objective of assessing the patterns of adoption and farm profitability potentials of conservation agriculture (CA) in the three northern “disadvantaged districts” of West ...
Farmers' wheat seed sources and seed management in Chilalo Awraja, Ethiopia
(CIMMYT; IARC, 1998)
This study describes the Ethiopian wheat seed system, identifies how farmers acquire and exchange wheat seed, explores problems related to farmers' acquisition and transfer of wheat seed, documents the status of previously ...
Wheat breeding for acid soils: review of Brazilian/CIMMYT collaboration 1974-1986
Through the decade of the 1960s and into the early 1970s, while both area and production of wheat were on an increase in Brazil, the country did not enjoy the benefits of the "miracle seed" of Mexican varieties that were ...
Development, maintenance and seed multiplication of open-pollinated maize varieties
This booklet is intended to aid researchers in meeting one of the critical challenges facing national maize programs in developing countries--which is to develop effective seed production systems for more rapid dissemination ...
Mejoramiento de maíces criollos por integración de alelos
Aunque en el mercado existe una amplia gama de variedades mejoradas, esta tecnología no está al alcance de muchos agricultores, porque muchas veces no es posible conseguirla en la zona objeto del presente estudio o porque ...
Impacts of international research on intertemporal yield stability in wheat and maize: an economic assessment
Critics of modern maize and wheat varieties (MVs) have suggested that, in developing countries, yields of these varieties vary more from season to season than yields of farmers’ traditional varieties, thereby exposing ...
Impacts of maize breeding research in Latin America, 1966-97
This report documents the number and types of maize varieties and hybrids released by public breeding programs between 1966 and 1997, describes the varieties and hybrids marketed by public seed agencies and private companies ...
The private and public characteristics of maize land races and the area allocation decisions of farmers in a center of crop diversity
This study uses an approach derived from models of the private and public characteristics of goods to illustrate (1) the overriding importance of variety attributes in farmers' decisions to allocate area among varieties ...
Adoption of maize production technologies in Northern Tanzania
(CIMMYT; SACCAR; SADC, 1998)
The impact of maize research and extension in Tanzania's Northern Zone during the past 20 years was evaluated through a formal survey in 1995. Data were grouped into two major agroecological zones: the intermediate and the ...
Adoption, management, and impact of hybrid maize seed in India
This paper presents results of a 1995 survey of 864 maize-growing households in six states that account for more than 70% of India's maize area: Andhra Pradesh, Bihar, Karnataka, Madhya Pradesh, Rajasthan, and Uttar Pradesh. ...