General view shows a soybean field affected by the drought in Campo 9, Caaguazu city, 250 km (155 miles) south of Asuncion December 20, 2011. Paraguay's export chamber said on Tuesday that the country's 2011/12 soy production could fall as much as 40 percent compared with the previous season's crop, if La Nina-related dryness continues. Picture taken December 20, 2011. REUTERS/Stringer (PARAGUAY - Tags: AGRICULTURE BUSINESS EMPLOYMENT)