[PCA] NEWS: Crops, ponds destroyed in quest for food safety

[Olivia Kwong]

Doesn't specifically mention natives, but some agricultural areas do have 
natives in their buffer zones.

http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2009/07/12/MN0218DVJ8.DTL

Crops, ponds destroyed in quest for food safety
Carolyn Lochhead, Chronicle Washington Bureau
Monday, July 13, 2009

(07-13) 04:00 PDT Washington -- Dick Peixoto planted hedges of fennel and 
flowering cilantro around his organic vegetable fields in the Pajaro 
Valley near Watsonville to harbor beneficial insects, an alternative to 
pesticides.

He has since ripped out such plants in the name of food safety, because 
his big customers demand sterile buffers around his crops. No vegetation. 
No water. No wildlife of any kind.

See the link above for the full article text.