Biogas: What it is; How it is made; How to use it

Biogas: What it is; How it is made; How to use it

		Preface
		Introduction
		How to build a small biogas unit
		Waste materials
		Time
		Cold weather protection
		Stirring the waste mixture
		When the gas is made
		Using your biogas
		Using the fertilizer
		Taking care of your biogas unit
		Making more biogas

FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS

Rome 1984

First published 1984

P-69

ISBN 92-5-101290-3