Farmers, however, are not that patient in their methods. Many ecological organizations have warned against their return to some banned pesticides like arsenic and zinc phosphate, which are dispersed on the land's surface.
Two months ago such pesticides poisoned dozens of eagles, deer, hares, partridges and pheasants.
Velichko Velichkov, a Ministry of Environment expert, denied the possibility of any risk for the people arising after the use of such pesticides.
"These substances cannot pass into the grain and the bread," he said.
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