Analyze the Data Yourself
Here you can find information to help you draw your own conclusions or create your own statistical analysis.

USDA Report and Dataset Page - This is a very good source of raw data and finished reports.

Databases - General

FAOSTATS Statistics Database - an on-line and multilingual database currently containing over 1 million time-series records covering many areas relevant to agriculture.

Searchable Database of Statistical Models and much more - From the International Society for Ecological Modeling.  Contains a huge amount of information.  Browse around this page, it is one of the most extensive of its kind. It has modeling and many other databases relevant to agriculture.

Statistical Models

Agricultural and Ecological Models - If you know the name of the model you are looking for, it will be easy to find it here.