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1
Response of maize to fertilizer application in Nicaragua soils: experiments with nitrogen in single and split applications in the field and with nitrogen, phosphorus, potaáium and zinc in pots
por Cuadra Romano, M.
Publicado 1993
Tesis Libro
2
Maize of the ancestors and modern varieties : the microeconomics of high-yielding variety adoption in Malawi
por Smale, M.
Publicado 1995
Libro
3
A comparative ultrastructural study of the meagametophytes in two strains of zea mays l. before and after fertilization
por Van Lammeren, A.A.M.
Publicado 1986
Libro
4
The adoption of conservation tillage in a hillside maize production system in Motozintla, Chiapas
por Erenstein, O.
Publicado 1997
Libro
5
Risk management for maize farmers in drought-prone areas of southern Africa. Procedings of a workshop held al kadoma ranch, Zimbawe, 1-3 oct. 1997
Publicado 1997
Libro
6
Cover crops in hillside agriculture farmer innovation with Mucuna
por Buckles, D.
Publicado 1998
Libro
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