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 Wheat, Sorghum and Forage Research: Lincoln, NE
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ARS Home Plains Area Lincoln, Nebraska Wheat, Sorghum and Forage Research Research





- Mitchell, Robert - Rob
- Edme, Serge
- Sarath, Gautam
- 2023
- 2022
- 2021
- 2020
- 2019
- Publications
- Grass, Forage, and Rangeland Agroecosystems (215)
- Soil and Air (212)

Research Project: **Location:
                            Wheat, Sorghum and Forage Research** Project Number: 3042-21000-034-000-D
                        
                        Project Type: In-House Appropriated Start Date: Mar 25, 2019
                        
                        End Date: Feb 5, 2024 **Objective:**
                        
                        1.	Develop best management practices for annual and perennial grasses to increase livestock production, provide biomass feedstocks for bioenergy, and preserve and maintain the nation’s natural resources. (NP215 1A, 2C, 4B, 4C)

2.	Develop new forage and biomass germplasm and cultivars for central U.S. growing conditions. (NP215 1A, 2C)

3.	Identify molecular, biochemical and plant characteristics that impact livestock and bioenergy production to develop improved breeding criteria and improved management practices. (NP215 1A, 2C) **Approach:**
                        
                        Project objectives are to develop best management practices for annual and perennial grasses for livestock production, provide feedstocks for bioenergy, develop new forage and biomass cultivars for the central U.S., and identify molecular, biochemical, and plant characteristics that impact livestock and bioenergy production and complement breeding and management research. Perennial grass breeding techniques will be refined to design improved cultivars. Improved management methods will be developed to fully utilize the genetic potential of new cultivars by enhancing establishment, yield, and utilization by livestock and by the bioenergy industry. Molecular biology and biochemistry/physiology information will be utilized to improve breeding and management products. The project is a continuation of a long-term perennial grass research program with plant materials, management, and related studies in various stages of development and completion. Research will be conducted on C3 (cool-season) and C4 (warm-season) perennial grasses, and C3 annual grasses. All are needed to maximize the length of the growing season and more fully utilize available land. Switchgrass, big bluestem, and indiangrass are the primary C4 species being evaluated for use in livestock and/or bioenergy production systems. Triticale, a winter annual, will be developed for forage/cover crop use as a double-crop option with early spring grazing and improved soil conservation. New technologies from this research, when utilized on 6 million hectares in the Midwest, could produce biofuels for 15 million cars, increase beef production per hectare by 10%, and increase early spring forage production by 6 million animal unit months. 

Applying N fertilizer in the planting year for perennial grasses like switchgrass, big bluestem, and Indiangrass is not well studied and is poorly understood. We will evaluate the interaction of seeding rate, N rate, and N formulation on switchgrass establishment and planting year yield. Although N fertilization on established switchgrass has been studied broadly, little research has been conducted to determine the role of N formulation and application timing. For studies on established stands, we will evaluate the effects of N rate and N formulation (granular vs. foliar-applied) applied at three different growth stages on subsequent switchgrass yield and composition. These studies will serve as baselines and will be expanded to different species and cultivars.


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