Forage accumulation, nutritive value, and grazing efficiency on rotationally stocked ‘<scp>Zuri</scp>’ guineagrass pastures as affected by pre‐graze canopy height and <scp>N</scp> rate

de Almeida, Otávio Goulart; Pedreira, Carlos Guilherme Silveira; de Assis, Juliana Aparecida; da Silva, Valdson José; Pedreira, Bruno Carneiro e

doi:10.1111/gfs.12672

Cited by 3 publications

(1 citation statement)

References 51 publications

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“…In line with the trend reflecting increased work and publication of research on tropical grasslands, this issue includes papers on bermudagrass (Cynodon spp.) (Bretas et al, 2024) and guineagrass (Megathyrsus maximus) (de Almeida et al, 2024). Recent work also illustrates the increasing interest in mixtures in tropical grasslands including legumes (e.g., Boddey et al, 2020;Braga et al, 2023;dos Santos Oliveira et al, 2023).…”

Section: Congress)mentioning

confidence: 94%

Topics from the 2023 EGF Symposium: The future role of ley‐farming in cropping systems, and other recent grassland events

Elgersma

2024

Grass and Forage Science

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Section: Congress)mentioning

confidence: 94%

Topics from the 2023 EGF Symposium: The future role of ley‐farming in cropping systems, and other recent grassland events

Elgersma

2024

Grass and Forage Science

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Does adding legumes to tall fescue pastures before stockpiling improve productivity and animal performance?

Corbin,

Nave,

Naumann

et al. 2024

Agronomy Journal

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The rising prices of N fertilizer led to exploring cost‐saving efforts, such as intercropping cool‐ or warm‐season legumes serving as alternative sources of N for managing fall‐stockpiled tall fescue [Schedonorus arundinaceus (Schreb.) Dumort.; TF]. We aimed to evaluate red clover (Trifolium pratense L.; RC) and sunn hemp (Crotalaria juncea L.; SH) mixed with TF as alternative sources of N for stockpiling TF to increase productivity and animal performance. The experiment was conducted in Crossville, TN, in 2020 and 2021 and consisted of TF pastures mixed with RC (TRC) or SH (TSH), and TF fertilized with urea (TU). The experiment was divided into two periods: the pre‐grazing period (stockpiling) (April–October) and the grazing period (October–December). After the stockpiling period, Black Angus beef (Bos taurus) steers were used for the grazing period. The study evaluated the botanical composition, herbage mass (HM), nutritive value, steer average daily gain (ADG), and net returns (NR). The TRC pastures had a greater proportion of legumes compared to TSH plots in May, October, November, and December of both years. There were no differences among treatments for the total HM and nutritive value in 2020; however, in 2021, TU had greater HM at the beginning of the grazing period and greater average crude protein values compared to the other treatments. In both years, there were no differences among treatments for ADG or NR. Therefore, producers can make the same profit considering the beef steer price and the cost of conventional and alternative N sources.

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Inclusion of cool‐ and warm‐season species in tall fescue swards for increased productivity

Corbin,

Nave,

Naumann

et al. 2024

Agronomy Journal

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Pasture systems that include cool‐ and warm‐season species have the potential to enhance tall fescue (TF) [Schedonorus arundinaceus (Schreb.) Dumort.] forage systems beyond their typical season. The objectives of this study were to incorporate crabgrass (Digitaria ciliaris Retz.) into TF swards and compare the production of monoculture TF to a binary mixture of crabgrass and TF as well as its effect with different sources of nitrogen (such as red clover [Trifolium pratense L.] or sunn hemp [Crotalaria juncea L.]). The experiment was conducted in Crossville, TN, in 2020 and 2021. The treatments were as follows: (1) TF + 0 N (T), (2) TF + ammonium nitrate (TA), (3) TF + red clover (TR), (4) TF + sunn hemp (TS), (5) TF + crabgrass + 0 N (TFC), (6) TF + crabgrass + ammonium nitrate (TCA), (7) TF + crabgrass + red clover (TCR), and (8) TF + crabgrass + sunn hemp (TCS). The plots containing red clover indicated a greater herbage mass (HM) and crude protein (CP) along with lesser neutral detergent fiber compared to the other treatments. Sunn hemp performed best during the mid‐summer, contributing to the increase of HM. Tall fescue swards that were mixed with crabgrass and a source of N (legumes or N fertilizer) had greater HM during the warm season, having the potential to decrease the stationarity of production. Thus, including crabgrass, red clover, and sunn hemp (grass and legumes, respectively) in TF pasture can be a great strategy to increase HM and improve nutritive value.

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Forage accumulation, nutritive value, and grazing efficiency on rotationally stocked ‘Zuri’ guineagrass pastures as affected by pre‐graze canopy height and N rate

Cited by 3 publications

References 51 publications

Topics from the 2023 EGF Symposium: The future role of ley‐farming in cropping systems, and other recent grassland events

Topics from the 2023 EGF Symposium: The future role of ley‐farming in cropping systems, and other recent grassland events

Does adding legumes to tall fescue pastures before stockpiling improve productivity and animal performance?

Inclusion of cool‐ and warm‐season species in tall fescue swards for increased productivity

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