Here you can find two State of the Art Reviews.

1) A Methodological Review of Research into Urban Agriculture¹

Arturo Perez Vazquez and Simon Anderson (Wye College, University of London)

2) Methods for monitoring and evaluation and their adaptation to urban agriculture²

Dindo Campilan (CIP-UPWARD, Makati City, Philippines)
Pay Drechsel (IWMI Ghana Office, Kumasi, Ghana)
Daniel Jöcker (University of Konstanz, Dept. of Politics and Management, Germany)

¹ This paper was first published in: Proceedings of the expert workshop on Appropriate Methodologies for Urban Agriculture Research, Policy development, Planning, Implementation and Evaluation October 1- 5, 2001 Nairobi, Kenya 

² This paper was first published in: Proceedings of the expert workshop on Appropriate Methodologies for Urban Agriculture Research, Policy development, Planning, Implementation and Evaluation October 1- 5, 2001 Nairobi, Kenya