In soil, most of the zinc stays bound to the solid particles. When high levels of zinc are present in soils, such as at a hazardous waste site, the metal can seep into the groundwater. Industries also can release dust containing higher levels of zinc into the air we breathe.
Add sorghum to a large pot of water. Use one cup of whole grain sorghum to three cups of water. Bring to a boil, reduce to a simmer and let cook for approximately 40-55 minutes or until the sorghum is tender. Drain any remaining liquid and serve.
In developed countries, and increasingly in developing countries such as India, the predominant use of sorghum is as fodder for poultry and cattle. Leading exporters in 2010 were the United States, Australia and Argentina; Mexico was the largest importer of sorghum.