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.
If you start out with 2 cups of unsoaked barley, and then soak it, you would add 6 cups of water when cooking. 1  Over high heat, bring the soaked barley and water, uncovered, to a boil. 2  Cover, and reduce the heat to low. 3  Allow the grain to simmer for 45 minutes*. 4  Once cooked, it will always retain some chewiness.