#51 Feedback from 30 years of research on alley cropping systems with Christian Dupraz

What have we learnt from 30 years at one of the most prominent agroforestry research sites in the world? In collaboration with AGROMIX, We are excited to present an interview with Christian Dupraz, a leading agroforestry researcher from INRAE Montpellier. This is one of our rare 'in person' interviews where we discussed years of findings under the alley cropping walnut trees of the Domaine de Restinclières. We analysed many technical details such as tree - crop competition, tree pruning and adapted tree species. We also discussed socio-economic aspects such as the relationship with the local farmers and the reason why alley cropping systems have not yet been scaled. Enjoy!

TABLE OF CONTENTS

02:25 Introduction

11:12 Experiment today

13:38 Growth rate of trees

17:43 Impact of AF on the quality of the wood

20:13 Considerations to produce a straight trunk

00:22 Impact on arable crop

00:26:45 Competition between crop and tree

00:30:18 Effect of pollarding on tree quality

00:33:56 How do the trees effect the row crop farmer?

00:38:08 How would tree crops fare in alley cropping?

00:39:32 Increase in bat population and its benefits

00:44:36 Main mistakes

00:48:05 What context for alley cropping to be successful?

00:56:30 Why do we not see more alley cropping?

• RESOURCES

https://www.researchgate.net/profile/Christian-Dupraz-3

https://agromixproject.eu/

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