Crop productivity.

Detalles Bibliográficos
Autores Corporativos:	BIOTOL (Project), Open Universiteit (Heerlen, Netherlands), University of Greenwich
Formato:	Libro
Lenguaje:	English
Publicado:	Oxford, Boston Butterworth-Heinemann 1994.
Colección:	Biotechnology by Open Learning (Series)
Materias:	Agricultural productivity > Programmed instruction. Crop yields > Programmed instruction.