The Conservation Tillage 2005 Farm Tour clip is aprox 15 mins:*
CT Farm Tour Video Clip 2005

One Pass Implement clip is aprox 28 secs:*
One Pass Implement Video Clip

Some thoughts on No till:
http://stream.ucanr.org/Windows%20Media/CT_dwaynebeck2005.asf

* Windows Media Player 9 or greater on Windows or Mac OSX is required to play these clips