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 ...

This paper examines the impact of land distribution on the livelihoods of farm households in Atlantic Honduras. Using survey data and multivariate analysis, we link the distribution of land among households to the development ...

With support from the Conrad N. Hilton and Ford Foundations and in collaboration with three Mexican non-governmental organizations, the CIMMYT Natural Resources Group (NRG) worked with small-scale farmers in the impoverished, ...

This study explores factors associated with farmers' decision to experiment with velvetbean (Mucuna spp.), a green manure, as a maize intercrop in three villages of Veracruz, Mexico. To asses whether velvetbean might be ...

Factors related to the low use of fertilizers and the resulting low agricultural productivity in sub-Saharan Africa are reviewed. The importance of inorganic fertilizers and agricultural research to improving soil fertility ...

This paper focuses on intensifying maize-based cropping systems in the Sierra de Santa Marta Region of Veracruz, Mexico. Following a description of the study area, the paper examines the historical forces that have shaped ...

Data from a 1994 survey of 82 farmers who grow maize on steep hillsides in Motozintla, Chiapas, provided information on agricultural practices, including the adoption of conservation tillage practices; the profitability ...

A preliminary study of wheat genetic diversity in the People's Republic of China is presented. Available evidence and basic data related to the ancestry of leading wheat cultivars and the area distribution of dominant ...

The importance of rice-wheat cropping systems in meeting present and future food needs in South Asia is reviewed. Evidence from a number of factor productivity studies, which analyze yield trends after adjusting for changes ...

Results from a study of maize varieties and seed sources in a traditional community in Mexico raise questions about the relevance of models for in situ conservation of crop genetic resources that are based on geographical ...