This warm-season grass is an exceptional forage for pasture and hay for livestock. Switchgrass (Panicum virgatum) is a summer perennial grass that is native to North America. Without atrazine 680 pounds of yield per acre; Wth atrazine 6400 pounds of yield per acre; Switchgrass. Farmers need to know that there’s going to be a market for switchgrass before they start devoting a lot of time and energy to producing it. Planting switchgrass for seed production can be accomplished in four different row spacings: 36 inch row spacing, 24, 12, and solid stand. Iowa State’s research will be used to produce a model for predicting carbon sequestration potential in the region. “We’re making real progress,” Fransen tells me as we walk among the plots at WSU’s Irrigated Agriculture Research and Extension Center in Prosser. The large, round switchgrass bales averaged 740 pounds each, with an average yield of 2.3 tons per acre. Annual switchgrass requirements for this project are estimated at 200,000 tons harvested from 40,000 to 50,000 acres. These included the economic “pull” that would result from the large-scale co-firing of switchgrass with coal for cleaner energy production; development of economical harvest, storage and marketing systems; the influence of tax abatements and government incentive programs; and modification of existing conservation set-aside programs to allow selective or phased harvest of biomass in a manner that maintains the integrity and continues to meet the goals of the conservation planting. The average annual yield of miscanthus grown in seven Illinois locations over a period of eight to 10 years was 10.5 tons per acre, compared with 4.5 tons per acres for switchgrass grown in the side-by-side trials. Lowland varieties are also better adapted to the soils and conditions in this region. Canada is ahead of the United States in developing switchgrass as a biofuel. The names, words, symbols, and graphics representing Iowa State University are trademarks and copyrights of the university, protected by trademark and copyright laws of the U.S. and other countries. However, the lack of established markets and much of the current acreage being locked into federal set-aside programs are serious impediments to resource development. Genera will process the 6,000 acres of switchgrass growing in nine counties located within 50 miles of the new park. Switchgrass cultivars are highly variable, and agronomic research, and perhaps genetic engineering, to develop improved varieties can assist stand establishment, productivity and decrease unwanted nutritional toxins that impact grazing and decrease unwanted combustion products. A production guide produced in 2010 by Blade Energy Crops considers crop production and management, energy-crop agronomics and yield in considerable detail. The highest single year yield topped 36.7 metric tons per hectare (17 tons per acre) in Oklahoma. Switchgrass – gained 2 pounds per day with a total beef yield of 749 pounds per acre; Big bluestem – gained 2.38 pounds per day with a total beef yield of 653 pounds per acre; and. Approximately 4,000 acres have been contracted in Appanoose, Monroe, Lucas and Wayne counties for switchgrass production, but their goal is to have a sustainable production-harvest of 100,000 acres. Switchgrass biomass production may offer several environmental benefits. It has been estimated that considering Alliant Energy's energy tax credits, carbon sequestration credits and similar government programs, the material costs for baled switchgrass would be $50 to $60 USD. Additionally, it has been demonstrated that it could become a valuable fiber source for manufactured composite "wood" products and fiber-plastic composite materials. USDA-ARS Poisonous Plant Research Laboratory, Logan, Utah & ILS, Inc, Research Triangle Park, North Carolina. Big Bluestem. Switchgrass is unquestionably one of the best crops for carbon sequestration. Natural stands often yield 100 pounds of seeds per acre (112 kg/ha), and cultivated stands may yield 300 to 500 pounds of seeds per acre (336-561 kg/ha) . 441 0 obj <>/Filter/FlateDecode/ID[<92D2AD7F08F14444A250562779AD621E>]/Index[427 26]/Info 426 0 R/Length 73/Prev 511845/Root 428 0 R/Size 453/Type/XRef/W[1 2 1]>>stream Establishing the actual price of a ton of harvested salable switchgrass is difficult. The recent release of 'Liberty' switchgrass has increased the field-scale yields to greater than 6 tons per acre. There is a two week window (June 15 – July 1) to harvest the first cutting of switchgrass. Switchgrass generally produces abundant seed. Aside from those already mentioned, switchgrass is a perennial grass and is an easily established and maintained renewable resource. Because of efforts to reduce greenhouse gases, switchgrass’ ability to sequester carbon could add to its value. On approximately 40 acres of land, project partners have planted alternate rows of fast-growing cottonwood trees and herbaceous crops such as switchgrass, forage sorghum and rye to enhance yields. Switchgrass receiving no N fertilizer yielded as much as switchgrass receiving 60 pounds of N per acre. They further estimated that 1,500 acres of switchgrass per year would be required per megawatt (MW) of electrical-generation capacity. According to soil tests, all nutrients were adequate except nitrogen (N), so we applied 70 pounds actual N per acre in early April. Case Studies Many materials can be made available in alternative formats for ADA clients. Southern also is conducting pilot-scale tests co-firing switchgrass and coal. Each of the farmers is growing a 5-acre plot. 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