see pics 136 and 137 : http://talk.newagtalk.com/forums/thread-view.asp?tid=186141&mid=1358219#M1358219

it collect the chaff then you unload it in the end rows and then bale it for energy or cattle liter

i talked with one user he told me 80% weeds herbicide less in wheat since 3 years he used the chaff collector on his combine ?

seems great  idea ???

http://www.thierart.com/pages/recuperateur.html