Trade‐off between nutritive value improvement and crop water use for an alfalfa–grass system

Dhakal, Madhav; West, Charles P.; Villalobos, Carlos; Sarturi, Jhones O; Deb, Sanjit K.

doi:10.1002/csc2.20159

Cited by 8 publications

(6 citation statements)

References 33 publications

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“…Increasing concentrations of cell wall components, including lignin, contribute to a decrease in digestible organic matter (Buxton & Casler, 1993). Proportion of alfalfa in alfalfa–bermudagrass mixtures had a positive linear correlation with in vitro true digestibility in Texas (Dhakal et al., 2020), and incorporating alfalfa into a bermudagrass monoculture increased total digestible nutrient and CP concentrations (Beck et al., 2016).…”

Section: Resultsmentioning

confidence: 99%

Managing bermudagrass competition to overseeded alfalfa

Harling

Sollenberger

Rios

et al. 2022

Agrosystems Geosci & Env

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Overseeding alfalfa (Medicago sativa L.) into existing bermudagrass [Cynodon dactylon L. (Pers.)] swards may reduce N fertilizer inputs and improve seasonal distribution of forage. However, achieving successful alfalfa stands in mixture with bermudagrass is difficult because of competition from the grass. This experiment's objective was to assess strategies for managing bermudagrass competition to alfalfa during establishment and subsequent stand life. During 2020 and 2021, a 2 × 2 × 2 factorial was replicated five times in a randomized complete block design. The treatment factors included the glyphosate rate [N-(phosphonomethyl) glycine], the initial bermudagrass stubble height (SH), and N fertilizer rates. Before planting alfalfa in November 2019, bermudagrass swards were treated with glyphosate at 0 or 890 ml ha -1 and clipped to a SH of 5 or 15 cm. During harvest seasons, N fertilizer was applied at 0 or 40 kg N ha -1 harvest -1 . Glyphosate and SH had minimal effect on alfalfa establishment, forage accumulation (FA), and persistence. Application of N in 2020 increased mixture (34%) and bermudagrass (30%) FA over zero N, but alfalfa FA and proportion in mixture FA were not affected by N. In 2021, mixture FA was not affected by N, but alfalfa FA (5,030 vs. 2,380 kg ha -1 ) and proportion (63 vs. 25%) were greater for 0 than for the 40 kg N ha -1 rate. We conclude that N application increases first-year alfalfa-bermudagrass mixture FA by increasing bermudagrass production, but it reduces second-year alfalfa contribution, resulting in lesser alfalfa FA and mixture nutritive value and a shorter harvest season.

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Section: Resultsmentioning

confidence: 99%

Managing bermudagrass competition to overseeded alfalfa

Harling

Sollenberger

Rios

et al. 2022

Agrosystems Geosci & Env

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“…Alfalfa, widely recognized as the ‘king of forages’, is known for its exceptionally high protein content, adaptability to various environments, ease of cultivation, and rapid growth [ 1 ]. Owing to the burgeoning demand for meat, eggs, milk, and other livestock products, it is widely recognized as one of the most economically valuable crops worldwide [ 2 , 3 ]. Alfalfa is grown extensively in the arid and semi-arid northern regions of China, where diverse environmental factors often constrain its yield and quality [ 4 ].…”

Section: Introductionmentioning

confidence: 99%

MODMS: a multi-omics database for facilitating biological studies on alfalfa (Medicago sativa L.)

Fang,

Liu,

et al. 2023

Horticulture Research

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Alfalfa (Medicago sativa L.) is a globally important forage crop. It also serves as a vegetable and medicinal herb because of its excellent nutritional quality and significant economic value. Multi-omics data on alfalfa continue to accumulate owing to recent advances in high-throughput techniques, and integrating this information holds great potential for expediting genetic research and facilitating advances in alfalfa agronomic traits. Therefore, we developed a comprehensive database named MODMS (multi-omics database of Medicago sativa) that incorporates multiple reference genomes, annotations, comparative genomics, transcriptomes, high-quality genomic variants, proteomics, and metabolomics. This report describes our continuously evolving database, which provides researchers with several convenient tools and extensive omics data resources, facilitating the expansion of alfalfa research. Further details regarding the MODMS database are available at https://modms.lzu.edu.cn/.

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“…Alfalfa ( Medicago sativa L.), considered the king of pasture, represents a highly productive, and adaptable perennial leguminous forage. Renowned for its evident protein content and diverse array of nutritional substances, alfalfa exhibits exceptional digestibility, rendering it a globally cultivated staple for herbivorous livestock (Dhakal et al., 2020; Feng et al., 2022). Traditionally, alfalfa has been employed as a desiccated forage; however, this drying process inevitably reduces its nutrients content.…”

Section: Introductionmentioning

confidence: 99%

Enhancing growth, quality, and metabolism of nitrogen of alfalfa (Medicago sativa L.) by high red–blue light intensity

Chen,

Liu,

Liu

2023

J. Plant Nutr. Soil Sci.

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BackgroundIn countries characterized by limited per capita arable land and grassland, agricultural development is hindered by insufficient forage productivity. The plant factory with artificial light (PFAL) system has emerged as a highly efficient approach to address this challenge by cultivating forage on finite land resources. In the PFAL framework, the regulation of light intensity plays a critical role in determining both the yield and quality of cultivated plants.AimsThis study seeks to delve into the optimal range of light intensity for achieving high efficiency and quality in the production of alfalfa in the PFAL. Additionally, it seeks to explore the effects of light intensity on nitrogen metabolism, as well as the accumulation and metabolism of amino acid in alfalfa.MethodsTo achieve these objectives, alfalfa was sown and subjected to five treatments involving red and blue LED light in a 4:1 ratio. The light intensities used were 200, 300, 400, 500, and 600 µmol m–2 s−1, respectively. The alfalfa plants were then harvested at intervals of 15, 20, 25, 30, and 35 days. The quality and nitrogen metabolisms of alfalfa during this period were assessed by evaluating the plant's growth performance and determining the optimal cutting time.ConclusionIn summary, high‐light intensity (400–600 µmol m−2 s−1) improved alfalfa yield and quality, while also promoting nitrogen and amino acid metabolism. Photon flux density at 400–500 µmol m−2 s−1 light intensity for a duration of 30 days was identified as the optimal condition for PFAL alfalfa production.

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Trade‐off between nutritive value improvement and crop water use for an alfalfa–grass system

Cited by 8 publications

References 33 publications

Managing bermudagrass competition to overseeded alfalfa

Managing bermudagrass competition to overseeded alfalfa

MODMS: a multi-omics database for facilitating biological studies on alfalfa (Medicago sativa L.)

Enhancing growth, quality, and metabolism of nitrogen of alfalfa (Medicago sativa L.) by high red–blue light intensity

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