Crop productivity.

Sonraí bibleagrafaíochta
Údair chorparáideacha:	BIOTOL (Project), Open Universiteit (Heerlen, Netherlands), University of Greenwich
Formáid:	LEABHAR
Teanga:	English
Foilsithe / Cruthaithe:	Oxford, Boston Butterworth-Heinemann 1994.
Sraith:	Biotechnology by Open Learning (Series)
Ábhair:	Agricultural productivity > Programmed instruction. Crop yields > Programmed instruction.