Vol 110, No 1 (2009)

Table of Contents

Articles

The Biofuel Debate – Status Quo and Research Needs to Meet Multiple Goals of Food, Fuel and Ecosystem Services in the Tropics and Subtropics
Andreas Buerkert, Eva Schlecht
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1-8
How Do “Renewable Products” Impact Biodiversity and Ecosystem Services – The Example of Natural Rubber in China
Marc Cotter, Konrad Martin, Joachim Sauerborn
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10-23
Caught between Energy Demands and Food Needs: Dilemmas of Smallholder Farmers in Njoro, Kenya
K. A. Ngetich, R. J. Birech, D. Kyalo, K. E. Bett, B. Freyer
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25-30
Jatropha curcas L.: Visions and Realities
Martin Grass
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31-40
The Role of Bio-productivity on Bio-energy Yields
Marc J. J. Janssens, Norbert Keutgen, Juergen Pohlan
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41-48
Effects of Biomass Ashes on Plant Nutrition in Tropical and Temperate Regions
Raul Lopez, Ernesto Padilla, Silvia Bachmann, Bettina Eichler-Loebermann
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49-58
Local Productive Arrangements for Biodiesel Production in Brazil – Environmental Assessment of Small-holder’s Integrated Oleaginous Crops Management
Geraldo Stachetti Rodrigues, Izilda Aparecida Rodrigues, Cláudio Cesar de Almeida Buschinelli, Marcos Antonio Ligo, Adriana Moreno Pires
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59-71
Agricultural Research for Development in the Tropics: Caught between Energy Demands and Food Needs
Folkard Asch, Christian Huelsebusch
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73-89