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| DOI: | 10.1002/agj2.21195 |
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| Publication Type:
| Refereed |
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| Author(s): | Keyser, Pat;
Zechiel, Katelynn E.;
Bates, Gary;
Ashworth, Amanda J.;
Nave, Renata;
Rhinehart, Justin;
McIntosh, David Weston |
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| Author Affiliation: | Keyser: Forestry, Wildlife and Fisheries, Univ. of Tennessee, Plant Biotech Building, Knoxville, TN; Zechiel and Rhinehart: Animal Science, Univ. of Tennessee, Brehm Animal Science Building, Knoxville, TN; Bates, Nave and McIntosh: Plant Sciences, Univ. of Tennessee, Plant Biotechnology Building, Knoxville, TN; Ashworth: USDA-ARS Poultry Production and Product Safety Research Unit, Univ. of Arkansas, Fayetteville, AR |
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| Title: | Evaluation of five C4 forage grasses in the tall Fescue Belt |
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| Section: | Crop economics, production and management
Other records with the "Crop economics, production and management" Section
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| Source: | Agronomy Journal. Vol. 114, No. 6, November/December 2022, p. 3347-3357. |
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| Publishing Information: | Madison, Wisconsin: American Society of Agronomy |
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| # of Pages: | 11 |
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| Abstract/Contents: | "Across much of the eastern United States, tall fescue [TF; Schedonorus arundinaceus (Schreb.) Dumort.], a cool-season (i.e., C3) perennial grass, is the primary forage for pasture systems, thereby leaving producers vulnerable to reduced summer forage production and drought. Warm-season (i.e., C4) forages can complement existing production systems by supplementing summer forage production and drought resiliency. Therefore, our objective was to compare five, C4 forage options in a grazing trial: switchgrass (SW; Panicum virgatum L.), eastern gamagrass (EG; Tripsacum dactyloides L.), a big bluestem (Andropogon gerardii Vitman) and indiangrass (Sorghastrum nutans L. Nash) blend (BBI), bermudagrass (BG; Cynodon dactylon L. Pers), and crabgrass (CG; Digitaria sanguinalis L. Scop.). Research was conducted 20142016 at two locations in Tennessee. Weaned beef heifers (237242 kg initial weight) grazed 1.2-ha pastures with three replications per species and location. Average daily gains (kg d-1) (0.62 [BBI], 0.41 [BG], 0.44 [CG], 0.42 [EG], 0.51 [SW]), grazing days (d ha-1) (412 [BBI], 459 [BG], 455 [CG], 664 [EG], 617 [SW]), and total gain (kg ha-1) (259 [BBI], 186 [BG], 200 [CG], 276 [EG], 315 [SW]) all varied among forages (P < .001). Similarly, forage nutritive values differed (P < .001) among forages: season-long crude protein ranged from 94 (BG) to 115 (CG and EG) g kg-1, neutral detergent fiber (NDF), 601 (CG)680 (SW) g kg-1, and acid detergent fiber (ADF) 379 (BG)417 (EG) g kg-1. These forage options should be evaluated in the context of TF pastures to establish a broader understanding of their contribution within an overall forage system." |
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| Language: | English |
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| References: | 37 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Keyser, P., K. E. Zechiel, G. Bates, A. J. Ashworth, R. Nave, J. Rhinehart, et al. 2022. Evaluation of five C4 forage grasses in the tall Fescue Belt. Agron. J. 114(6):p. 3347-3357. |
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| DOI: 10.1002/agj2.21195 |
| Web URL(s):
https://acsess.onlinelibrary.wiley.com/doi/10.1002/agj2.21195
Last checked: 02/08/2023
Requires: HTML5
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MSU catalog number: b2212646 |
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