Crop productivity.

Xehetasun bibliografikoak
Egile korporatiboa:	BIOTOL (Project), Open Universiteit (Heerlen, Netherlands), University of Greenwich
Formatua:	Liburua
Hizkuntza:	English
Argitaratua:	Oxford, Boston Butterworth-Heinemann 1994.
Saila:	Biotechnology by Open Learning (Series)
Gaiak:	Agricultural productivity > Programmed instruction. Crop yields > Programmed instruction.