The development of hybrid corn technolgy in the United States and selected countries
Sprague, George Frederick.
The development of hybrid corn technolgy in the United States and selected countries - Washington : Agency for International Development, 1975 - 81 p. - Agriculture technology for developing countries. Technical series bulletin ; 16 . - Agriculture technology for developing countries. Technical series bulletin ; 16 .
57544
Maíz--Híbridos.
Maíz--Mejoramiento.
Maíz--Proteínas.
The development of hybrid corn technolgy in the United States and selected countries - Washington : Agency for International Development, 1975 - 81 p. - Agriculture technology for developing countries. Technical series bulletin ; 16 . - Agriculture technology for developing countries. Technical series bulletin ; 16 .
57544
Maíz--Híbridos.
Maíz--Mejoramiento.
Maíz--Proteínas.