Better Farming Series 32 - Biogas 2: Building a Better Biogas Unit (FAO, 1986, 47 p.): (introduction...)

Better Farming Series 32 - Biogas 2: Building a Better Biogas Unit (FAO, 1986, 47 p.)

		*(introduction...)*
		Preface
		Introduction
		How to build a better small biogas unit
		Putting in the waste
		Time
		Temperature
		Scum
		When the gas is made
		Taking care of your biogas unit
		Making more biogas
		What more can you do?

FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS
Rome 1986

P-69
ISBN 92-5-102392-1