I'm at a loss (with ideas and time) for an assignment for students at Farm Science Review. What are you planning to have students do (or have you have you had them do) while attending Farm Science Review Field Trip?
Look at some of the following posts below.
Rose Hartschuh has a good document posted here. http://communities.naae.org/docs/DOC-2326
Here is a discussion on assignments http://communities.naae.org/message/3359#3359
and here http://communities.naae.org/message/10224#10224
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