The Role of Forage in Sustainable Agriculture

A special issue of Grasses (ISSN 2813-3463).

Deadline for manuscript submissions: 31 January 2025 | Viewed by 1988

Special Issue Editors


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Guest Editor
Department of Animal and Veterinary Sciences, Clemson University, Blackville, SC 29817, USA
Interests: forage ecology; grazing management; nutrient cycling; sustainable production

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Guest Editor
USDA ARS, Forage & Range Research, UMC 6300, Logan, UT 84322, USA
Interests: forages; quantitative trait loci; genotyping; genetic diversity; genetic mapping
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Special Issue Information

Dear Colleagues,

Forages are the primary feed source used by livestock operations due to the wide range of adapted species worldwide. Under grazing management, forages contribute to lower production costs once the need for harvesting, storing, and transporting feed decreases. Over the last decades, forage research has focused on better understanding and developing improved management practices that can support the enhanced production, resilience, and feasibility of forage ecosystems while reducing the carbon footprint of activity.

Soils under perennial grasslands contain approximately 20% of Earth’s soil organic carbon (SOC) stocks (Conant, 2012) and play an important role in offsetting CO2 emissions (Lal, 2004a). Additionally, forage nutritive value impacts animal performance and methane production, as well as soil fertility and health. There has been an increase in the use of forage legumes in livestock operations overtime, with the aim of enhancing plant and animal production while supporting environmental benefits. Similarly, row crop systems have incorporated several annual forage species as cover crops, thereby aiming to reduce soil erosion, incorporate organic matter, and improve water infiltration, etc.

In this Special Issue, we aim to highlight the potential of forages to support sustainable production systems and agriculture. Contributions regarding improved management strategies; the incorporation and use of technologies; and the effects of forage strategies and systems on plant, animal, soil, and environment responses are all welcome, among others. We invite experts and researchers who can provide relevant original research, reviews, and opinion pieces on the topics of this Special Issue.

Dr. Liliane Severino Da Silva
Dr. Steve Larson
Guest Editors

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Keywords

  • climate-smart practices
  • cover crops
  • forage management
  • grasses
  • grasslands
  • greenhouse gas emissions
  • legumes
  • nutrient cycling
  • sustainable production

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Published Papers (1 paper)

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11 pages, 238 KiB  
Article
Sorghum–Legume Mixtures to Improve Forage Yield and Nutritive Value in Semiarid Regions
by Leonard M. Lauriault, Murali K. Darapuneni and Gasper K. Martinez
Grasses 2024, 3(3), 163-173; https://doi.org/10.3390/grasses3030012 - 14 Aug 2024
Viewed by 799
Abstract
In a continued search for legumes to grow with forage sorghum (FS) [Sorghum bicolor (L.) Moench] in semi-arid environments, studies in 2019 and 2022 at New Mexico State University Rex E. Kirksey Agricultural Science Center at Tucumcari, NM USA, evaluated FS mixed [...] Read more.
In a continued search for legumes to grow with forage sorghum (FS) [Sorghum bicolor (L.) Moench] in semi-arid environments, studies in 2019 and 2022 at New Mexico State University Rex E. Kirksey Agricultural Science Center at Tucumcari, NM USA, evaluated FS mixed with cowpea [Vigna unguiculata (L.) Walp.], lablab (Lablab purpureus L.), both previously evaluated, and a native legume, big-pod sesbania (Sesbania macrocarpa), for yield and nutritive value in four randomized complete blocks each year. At harvest legume proportions of approximately 15% of the dry matter yield, there were no differences in the yield (mean = 15.97 Mg ha−1, p > 0.40) or land equivalency ratio between sole FS and any mixture or among mixtures; however, the crude protein of FS+Lablab was greater than sole FS, with FS+Cowpea and FS+Sesbania intermediate (67, 77, 87, and 79 g kg−1 for sole FS, FS+Cowpea, FS+Lablab, and FS+Sesbania, respectively; 5% LSD = 14). The neutral detergent fiber digestibility of FS+Sesbania was less than all other treatments (p = 0.0266). Although the sesbania did not improve forage yield or nutritive value when grown with FS and harvested near sesbania maturity, perhaps growing with a shorter season grass and harvesting earlier may show benefit, as sesbania’s nutritive value is known to be greater at earlier stages. Full article
(This article belongs to the Special Issue The Role of Forage in Sustainable Agriculture)
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