But taking a radical new approach to food production is not just the preserve of activists.
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Once the preserve of gifted linguists, code breaking was soon invaded by mathematicians and scientists.
Mega-takeovers are likely to be the preserve of big, cash-generative groups with simple structures.
The days when fairy tales were the preserve of the animation department are over.
Those on low incomes often regard banks as hostile territory, the preserve of the wealthy.
Once the preserve of only elite athletes, adventure racing has become one of the fastest-growing sports on Earth.
These markets are currently the preserve of Nokia and Ericsson, and they'd like to keep it that way.
But leading the way in consolidating suppliers in an industry is not the preserve of only big companies.
Fee increases may even insulate some schools from the downturn, by making them the preserve of the super-rich.
In February the government issued new guidelines for private investment in areas hitherto the preserve of the state.
Once the preserve of the super-rich, hedge funds are now marketed more widely.
Opportunities currently available to all children would become the preserve of the rich.
Now it is going back to the way it started, as the preserve of wealthy or patient families or partnerships.
The changes would give people some input during the passage of legislation through Parliament, currently the preserve of MPs and peers.
Fed officials would credibly argue that the latter is the preserve of the U.S. Treasury, and they would have a point.
The research company concludes that Twitter, once the preserve of early adopters, geeks and news junkies, is now reaching new audiences.
But Matthew Rippon, a food researcher at Queen Mary, University of London, warned against seeing PFN as the preserve of small producers.
They tend to grow quickly, perhaps because they have mastered industries that are mostly the preserve of richer, and therefore costlier, rivals.
Determining the reward is supposedly the preserve of Vanguard's independent board members.
Certainly there were big society parties in the 1920s and 1930s, he says, but they were the preserve of the ruling classes.
"We should not be intruding on the freedom of worship that is the proper preserve of the Churches not the courts, " he said.
Indeed, calligraphy is no longer the basic tool of intellectuals and officials but has become the preserve of professional artisans and amateur enthusiasts.
Goals have largely been the preserve of the club's talismanic striker, Jason Walker, whose five strikes have driven Barrow on to the trophy final.
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The wheezing, steam-powered devices that we used to have to load with coal before starting up would soon be the preserve of historians and cranks.
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Landlines were the preserve of the either rich of politically important.
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So far, it's largely the preserve of the Franco-European chic set.
Japanese cuisine was largely the preserve of expats and Japanese tourists when he opened his first Oishi Buffet restaurant on Sept. 9, 1999 near Thonglor Road.
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Whereas in India sugarcane cultivation is the preserve of small farmers and an estimated 50 million of them grow sugarcane on average holdings of 2 acres.
The first is the "I've gotta have it" impulse, which, though generally the preserve of spoiled heiresses, It girls and pop stars, can strike us all.
Horses in Iceland are not, as they are in the UK, the preserve of a horse-owning aristocracy who have spent centuries training them to mow down Frenchmen and plebeians.
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