Aug. 5, 2013
The agreement was negotiated with farmers, who expect to be compensated for higher costs. Farmers have a contentious relationship with Argentina's federal government and say their profits have been whittled down to nearly nothing by high taxes and export curbs on corn and wheat.
The measure will be announced in a decree in coming months; similar rules are already in effect in the smaller producing provinces of Cordoba and Santa Fe. Buenos Aires province is the world's top producer of soyoil and soymeal.
"Aerial spraying will be prohibited in areas defined by the municipalities, or in the two-kilometer (1.2 mile) boundaries between urban and rural areas," Gustavo Arrieta, minister of agricultural affairs in Buenos Aires province, told Reuters.
He said ground-level application of pesticides would be permitted but would require stricter supervision. Aerial spraying is the most popular and cost effective form of application in Argentina.
The United Nation's Food and Agriculture Organization(UN FAO) has urged developing countries to withdraw "highly hazardous" pesticides, saying they pose a serious risk to human health and the environment and are often not properly stored and distributed.
The use of pesticides like the weed killer glyphosate took off in South America after U.S.-based Monsanto two decades ago introduced genetically modified seeds that resist the herbicide.
Nearly all soybeans planted in Argentina and neighboring Brazil are genetically modified, as is a majority of corn. Producing traditional crops is much more expensive because yields are lower and losses to pests are greater.
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