Chest Tubes After Open Heart Surgery. When a patient has a chest tube after heart surgery, the tube is inserted near the sternum (breastbone), and is intended to drain any blood that accumulates away from the surgery site.
Currently there are five major types of sorghum grown: 1) Grain sorghum with dwarf varieties that grow 2 to 5 ft tall for easier combining. 2) Forage sorghum which grows 6 to 12 ft tall, produces more dry matter tonnage than grain sorghum, is coarse stemmed and used for silage.
Average Yield 2008: 1.5 tons/hectare. Sorghum is the fifth most important cereal crop worldwide. It is drought and heat tolerant and thus an important crop in arid regions where major cereals do not produce sufficient yields.