Editing Jari project (section)

===Diversification===
Another of Ludwig's ideas was to grow all the food needed, including [[rice]] to feed the workers, which did not turn out well either. Rice growing required large amount of [[pesticides]] to keep insects at bay and the soil did not have enough [[sulfur]] for rice. Ludwig corrected the situation with the application of [[ammonium sulfate]]. He included [[cattle]] farming to feed on the grass that grew among the pine trees. 
He also discovered a very large source of [[kaolin]]. The mining of kaolin on the Jari river is still a large-scale commercial operation. Kaolin is exported to numerous countries in Asia and Europe for coating fine paper.