This video from the USA says about itself:
Clearing wild vegetation doesn’t improve crop health
10 August 2015
In the wake of a 2006 outbreak of E. coli – spread via packaged spinach harvested on a farm in Central California – farmers began clearing wild vegetation around growing fields.
Investigations weren’t able to pinpoint the source of the outbreak, but many placed the blame of wildlife. But new research suggests restructuring the agricultural landscape to minimize wildlife is inadvisable and has no effect on the presence of pathogens like E. coli.
“Wildlife took much of the blame for that outbreak, even though rates of E. coli in wildlife are generally very low,” Daniel Karp, a research fellow at the University of California, Berkeley, said in a press release. “Now, growers are pressured by buyers to implement practices meant to discourage wildlife from approaching fields of produce. This includes clearing…
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