Below are some articles to further clarify what Order 81 Re-Engineering Iraqi Agriculture is.

“Seeds Of Truth”

“The Green Party endorses International Seeds Day on April 26, calls for the repeal of Order 81 making Iraqi farmers dependent on US firms”

“Latha Jishnu: Order 81 and the plunder of farming”

“Mutant Seeds for Mesopotamia”

“Why Iraqi Farmers Might Prefer Death to Paul Bremer’s Order 81″

“ORDER 81: Re-engineering Iraqi agriculture.
The ultimate war crime: breaking the agricultural cycle”

“IRAQ: CPA Order 81 Is Even Worse Than Originally Reported”

“Salt of this earth”

This list is not comprehensive. There are many more articles you can find online. If you are interested in reading the actual Order 81 document you can do so here.
Coalition Provisional Authority Order Number 81