Mostrando ítems 1-10 de 88
Soil fertility management research for the maize cropping systems of smallholders in Southern Africa : a review
This paper examines the implications of declining soil fertility for the maize-based cropping systems in southern and eastern Africa. A review of the importance of maize in the region is followed by a description of the ...
Farmers' seed selection practices and maize variety characteristics in a traditionally-based Mexican community
Experimental results and farmers surveys in a Mexican community indicates that farmers' seed selection practices protect the phenological integrity of their maize varieties as they define them, despite numerous factors ...
In situ conservation of crops and their relatives : a review of current status and prospects for wheat and maize
This paper reviews the current status and prospects for in situ conservation of maize and wheat and their relatives. The caricature of in situ conservation-that it imposes cultural stasis and isolation on marginal ...
Development, maintenance and seed multiplication of open-pollinated maize varieties
The procedures for the production of maize hybrid seed and maintenance of parental lines are well documented. However, not much has been written on the development, maintenance, and multiplication of improved open pollinated ...
Impact of public and private sector maize breeding research in Asia, 1966-1997/98
This book presents results of a study of the impacts of international maize breeding research in seven developing countries of Asia (China, India, Indonesia, Nepal, the Philippines, Thailand, and Vietnam). It provides ...
Maize research, development, and seed production in India : contributions of the public and private sectors
This paper assesses the relative strengths and weaknesses of India's public and private maize seed industries and examines future options for maize seed industry policies. By 1992, nearly as many maize researchers worked ...