The strengthening of the real is encouraging Brazilian soybean producers to market slowly. Meanwhile, Chinese buyers seem primarily interested in purchasing deferred positions, which is what South American exporters are reluctant to offer because of limited farmer selling. Corn: Unexpectedly Strong Basis The present strength in South American basis seems to be taking some market participants by surprise. May pricing for South American corn is largely covered, and logistics for the near term are limited. Adding to logistical concerns is a strike that was just initiated by river channel workers seeking higher salaries. If prolonged, it could affect the loading of vessels upriver. Such action raises market uncertainty, and basis on deferred...