Mostrando ítems 1-10 de 456
Adoption of maize production technologies in Northern Tanzania
(SADC; CIMMYT; SACCAR, 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 ...
Conservation tillage or residue conservation? an evaluation of residue management in Mexico
The key to conservation tillage is the use of crop residues as mulch. However, there is some confusion over the term conservation tillage, among other things, because too much emphasis has been placed on tillage. Since ...
A regional analysis of maize biological diversity in Southeastern Guanajuato, Mexico
Four environments with contrasting potential for agricultural productivity and infrastructure development were identified in Guanajuato State, Mexico, to test hypotheses about the relationship of maize biological diversity ...
Characterization of maize germplasm grown in Eastern and Southern Africa : results of the 2004 regional trials coordinated by CIMMYT
The Summary Tables present grain yields averaged across sites with significant differences between entries, for each of the five to six environments. Data on agronomic performance such as anthesis date, plant and ear height, ...
Potential impact of investments in drought tolerant maize in Africa
The study evaluates the potential impacts of the Drought Tolerant Maize for Africa (DTMA) project run by CIMMYT and the International Institute for Tropical Agriculture (IITA) in 13 countries of eastern, southern and West ...
Determinants of fertilizer and manure use for maize production in Kiambu District, Kenya
(CIMMYT; KARI, 2001)
Farms in Kiambu District are very small owing to high population pressure and need to be intensively farmed to provide enough food for consumption and sale. Since soil nitrogen levels are low, the use of inorganic fertilizers ...
Chartbook of maize in Pakistan and AJK 1989
(CIMMYT; PARC, 1990)
Combining ability and heterotic orientation of mid-altitude sub-humid tropical maize inbred lines for grain yield and related traits
(Academic Journals, 2017)
Information on the combining ability and heterotic pattern of elite inbred lines is essential to maximize their use in hybrid maize development. This study was conducted to determine combining ability and heterotic pattern ...