4 Editorial
5 Energy use in agriculture: an overview
David Pimentel and Marcia Pimentel
7 Planting to catch more sunlight
Reddy Naganagouda, Zhu Shuijin and V.C. Patil
8 Biodigesters in ecological farming systems
T.R. Preston
13 Improving organic fertilizers
Luis Gomero Osorio
14 Saving energy with better tools
Dave O’Neill
15 The Ututus: four families, five wells and a windpump
William Critchley, Jacqueline Kiio, Stephen Kameti and Marit Brommer
16 Improving traditional water mills
Lumin Kumar Shrestha, Ganesh Ram Shrestha and Rajeev Munankami
18 Clean energy for chilling milk
Carol Herrera and Saúl Ramírez
20 Passive solar architecture for mountain agriculture
Thomas Mansouri and Alain Guinebault
22 Developing a solar dryer for coffee
Victor M. Berrueta Soriano and Fernando Limón Aguirre
24 Rural energy trasitions- a successful case of community participation
Rakesh Prasad
26 Building silos to introduce healthier cookstoves in Honduras
Ian Cherrett
28 The Narayana Reddy Column: On farm energy
29 New books
30 Sources
32 Networking
36 Mama trees
Rik Thijssen
