Mostrando ítems 1-10 de 42
Increasing wheat yields sustainability through agronomic means
This paper examines common factors that constrain wheat yields: insufficient nutrients (using nitrogen as an example); problems of late planting and poor crop establishment; suboptimal water management; lodging; and weeds. ...
Velvetbean: A "new" plant with a history
Velvetbean (Mucuna spp.), a vigorous climbing legume of Asian origin, is prominent among the plants currently promoted for use as a green manure and cover crop in the humid tropics. What is not so well known, however, is ...
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 ...
Integration of environmental, agronomic, and economic aspects of fertilizer management
Nitrogen fertilization is a substantial source of nitrogen-containing trace gases that have both regional and global consequences, In the intensive wheat systems of Mexico, typical fertilization practices lead to extremely ...
The adoption of soil conservation technology in El Salvador: Linking productivity and conservation
Soil conservation practices were successfully disseminated and adopted among farmers in Guaymango, El Salvador, whereas farmers in two similar areas failed to adopt them. Adoption was successful in Guaymango for two reasons. ...
El uso y conservacion de los recursos naturales en La Fraylesca, Chiapas: Un diagnostico
(CIMMYT; INIFAP, 1992)
Adoption of maize conservation tillage in Azuero, Panama
An aggressive research and validation program launched in 1984 in Azuero, Panama, yielded a recommendation advocating zero tillage for maize production. Ten years later, maize farmers in Azuero use , land preparation ...
Research on soil fertility in Southern Africa: Ten awkward questions
By raising important, sometimes ignored questions about research on soil fertility management in the subsistence, risk-prone maize-based cropping systems of sub-Saharan Africa, this paper seeks to improve the quality of ...