| http://www.w3.org/ns/prov#value | - experts say more trees and california has increased its olive oil production in recent years and this has led to an increase in a certain pest. experts say more trees and fruit mean more food for fruit flies. the insect has done significant damage to crops particularly in napa county. growers there predict a smaller crop than last year. olive growers are now working to find a solution. >> growers
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