Variability of cereal yields : sources of change and implications for agricultural research and policy /
Autores principales: | Anderson, Jock R. 1941- (Autor/a), Hazell, Peter B. R. 1944 (Autor/a), Evans, Lloyd Thomas (Autor/a) |
---|---|
Formato: | Libro |
Lenguaje: | English |
Publicado: |
Washington, D.C. :
IFPRI,
1987.
|
Colección: | International Food Policy Research Institute ;
v. 12, n. 3) |
Materias: |
Ejemplares similares
-
Sources of increased variability in world cereal production since the 1960s /
por: Hazell, P.B.R., et al.
Publicado: (1985) -
Public policy toward technical change in agriculture /
por: Hazell, Peter B. R. 1944, et al.
Publicado: (1984) -
Selection for osmoregulation to improve yield in cereals
por: Morgan, J.M. -
Opportunities for increasing crop yields /
por: Hurd, R. G.
Publicado: (1980) -
On-farm evaluation of the effects of the principles and components of conservation agriculture on maize yield and weed biomass in Malawi
por: Ngwira, A. R.