Pasture production, persistence of legumes and lamb growth in summer‐dry hill pastures

Gultekin, Yunus; Filley, Shelby J.; Smallman, Mary A.; Hannaway, D. B.; Ateş, Serkan

doi:10.1111/gfs.12497

Cited by 9 publications

(11 citation statements)

References 37 publications

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“…The lamb growth rates in the current study was similar to those reported by Warner and Sharrow (1984) for spring (73-165 g head −1 d −1 ) and early summer (−13-98 g head −1 d −1 ) periods in a 3 year-grazing study. In contrast, Gultekin et al (2020) reported greater lamb liveweight gains in dryland hill pastures in Pacific Northwest where the lamb growth rates were maintained over 141 g head −1 d −1 in the late spring season (May-June). It is of note that the newly established pastures reported in Gultekin et al (2020) study contained over 20% legume indicating the value of high legume content of pastures for improved forage quality and high lamb growth rates particularly in dryland pastures (Hyslop et al, 2000;Mills et al, 2015).…”

Section: Lamb Production Did Not Differ Despite Lower Herbage On Offer In Solar Pasturesmentioning

confidence: 76%

Herbage Yield, Lamb Growth and Foraging Behavior in Agrivoltaic Production System

Andrew

Higgins

Smallman

et al. 2021

Front. Sustain. Food Syst.

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Agrivoltaic systems are designed to mutually benefit solar energy and agricultural production in the same location for dual-use of land. This study was conducted to compare lamb growth and pasture production from solar pastures in agrivoltaic systems and traditional open pastures over 2 years in Oregon. Weaned Polypay lambs grew at 120 and 119 g head−1 d−1 in solar and open pastures, respectively in spring 2019 (P = 0.90). The liveweight production between solar (1.5 kg ha−1 d−1) and open pastures (1.3 kg ha−1 d−1) were comparable (P = 0.67). Similarly, lamb liveweight gains and liveweight productions were comparable in both solar (89 g head−1 d−1; 4.6 kg ha−1 d−1) and open (92 g head−1 d−1; 5.0 kg ha−1 d−1) pastures (all P > 0.05) in 2020. The daily water consumption of the lambs in spring 2019 were similar during early spring, but lambs in open pastures consumed 0.72 L head−1 d−1 more water than those grazed under solar panels in the late spring period (P < 0.01). No difference was observed in water intake of the lambs in spring 2020 (P = 0.42). Over the entire period, solar pastures produced 38% lower herbage than open pastures due to low pasture density in fully shaded areas under solar panels. The results from our grazing study indicated that lower herbage mass available in solar pastures was offset by higher forage quality, resulting in similar spring lamb production to open pastures. Our findings also suggest that the land productivity could be greatly increased through combining sheep grazing and solar energy production on the same land in agrivoltaics systems.

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Section: Lamb Production Did Not Differ Despite Lower Herbage On Offer In Solar Pasturesmentioning

confidence: 76%

Herbage Yield, Lamb Growth and Foraging Behavior in Agrivoltaic Production System

Andrew

Higgins

Smallman

et al. 2021

Front. Sustain. Food Syst.

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“…In a recent special-theme issue of GFS on annual and perennial forage legumes in dryland pasture systems , the role of legumes was addressed in a systems context. Breeding, species choice and regional adaptation (e.g., Bekuma et al, 2021), the development of novel agronomic practices (Harrison et al, 2021) through to animal production and grazing management were addressed (e.g., Gultekin et al, 2021;Norman et al, 2021). Nutt et al (2021) reported on the evaluation of "summer sowing", an innovative approach to increase the adoption of recently domesticated species of hard-seeded annual legumes in Mediterranean and temperate climate zones.…”

Section: Adaptation To Harsher Climatesmentioning

confidence: 99%

“…In a recent special‐theme issue of GFS on annual and perennial forage legumes in dryland pasture systems (Smith & Elgersma, 2021), the role of legumes was addressed in a systems context. Breeding, species choice and regional adaptation (e.g., Bekuma et al, 2021), the development of novel agronomic practices (Harrison et al, 2021) through to animal production and grazing management were addressed (e.g., Gultekin et al, 2021; Norman et al, 2021).…”

Section: Adaptation To Harsher Climatesmentioning

confidence: 99%

Editorial ‐ topics from the XXIV International Grassland Congress held in 2021

Elgersma¹,

Smith²

2022

Grass and Forage Science

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Grass and Forage Science (GFS) is the major international journal with a primary emphasis on grasslands and has a history of publishing articles based on presentations at conferences and symposia, such as the International Silage Conference (Elgersma et al., 2019) and the European Grassland Federation (EGF) (Elgersma et al., 2021). This special issue of GFS includes a book review (Isselstein, 2022) on the history of the International Grassland Congress -1927 to 2020 (Allen et al., 2021) and four papers based on presentations from the XXIV International Grassland Congress (IGC). The meeting was hosted by Kenya, but due to the Covid-19 pandemic, it was held virtually on 25-29 October 2021.The theme of the joint XXIV th IGC and XI th International Rangeland congress was "Sustainable Use of Grassland and Rangeland Resources for Improved Livelihoods" but as rangelands have traditionally not been in the scope of GFS, only contributions focusing on grasslands were considered for inclusion in this special issue of GFS.Authors of several papers were invited to submit material for consideration for publication in GFS.

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“…In these cases, the introduction of Al-tolerant species could improve the production of forage biomass and profit while minimizing financial costs. The total annual yields of pastures that contain a greater proportion of legumes are generally higher than grass monocultures (Gultekin et al, 2021). Lotus species are recognized for their tolerance to acid soils and low natural soil fertility (Escaray et al, 2012), and in South America, legumes are currently being more widely adopted as an alternative to improve the quality and quantity of pasture in regions with acid soils (Kapp-Bitter et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

Root exudation of oxalic acid in Lotus corniculatus in response to aluminum toxicity

Santos¹,

Pedrazza²,

Zuanazzi³

et al. 2022

Revista Brasileira De Zootecnia

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The objective of this research was to identify the existence of root exudation of organic acid in Lotus corniculatus germplasms subjected to toxic aluminum (Al) levels and investigate the effect of this mechanism on the Al content in the root tissue and in morphological parameters of plant development. Two experiments were performed in nutrient solution to evaluate the Al accumulation and exudation of organic acids, using cultivars INIA Draco and São Gabriel and genotypes UFRGS and UF-T2. The plants were cultivated in Al-free solution, which was applied on the 45th day in half of the pots of each genotype. Root exudation was highly correlated with the reduced accumulation of Al in the root tissue (r 2 = 0.75 at 72 h). Genotype UF-T2, selected for Al tolerance, extruded 80% more oxalic acid in the presence of Al compared with the other germplasms, indicating that this mechanism is involved with Al tolerance in L. corniculatus. This experiment showed strong evidence that L. corniculatus exhibits Type I tolerance, in which anionic channels are rapidly activated by Al exposure. Exudation of oxalic acid is likely a crucial mechanism that allows the maintenance of L. corniculatus growth when exposed to toxic Al conditions, and this characteristic should be used to identify tolerant genotypes in the future.

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Pasture production, persistence of legumes and lamb growth in summer‐dry hill pastures

Cited by 9 publications

References 37 publications

Herbage Yield, Lamb Growth and Foraging Behavior in Agrivoltaic Production System

Herbage Yield, Lamb Growth and Foraging Behavior in Agrivoltaic Production System

Editorial ‐ topics from the XXIV International Grassland Congress held in 2021

Root exudation of oxalic acid in Lotus corniculatus in response to aluminum toxicity

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