Farmers and others concerned with the production and feeding of forage crops long have known that certain crop plants may be poisonous to animals. It also has been found that the poisonous property of certain plants consists of or is associated with prussic acid or hydrocyanic acid (HCN). The research reported in this bulletin are concerned with one principal forage crop, namely sorghum and its varieties.
South Dakota State University
Franzke, C.J.; Puhr, Leo F.; and Hume, A.N., "A Study of Sorghum with Reference to the Content of HCN" (1939). Agricultural Experiment Station Technical Bulletins (1939-2011). 13.