Across the board, CNR doctoral programs ranked among the top
The rankings, assessed by the private company Academic Analytics, are based on measurements of faculty productivity in terms of publications, federal-grant dollars awarded, and honors and awards.
Data from the 2005 rankings -- which are not without their share of controversy -- were published and explained in depth in The Chronicle of Higher Education (available by subscription here).
UC Berkeley doctoral programs from within CNR received impressive rankings:
Agricultural economics - 3
Botany and plant biology - 1
Microbiology - 3
Nutrition - 3
Toxicology - 2
Environmental Science - 4
A full list of UC Berkeley rankings is here.