The overseeding of two cool-season legumes (Hedysarum coronarium L. and Trifolium incarnatum L.) on switchgrass (Panicum virgatum L.) mature stands increased biomass productivity

Mantino, Alberto; Giannini, Vittoria; Tozzini, Cristiano; Bonari, E.; Ragaglini, Giorgio

doi:10.4081/ija.2020.1510

Cited by 3 publications

(3 citation statements)

References 32 publications

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“…White et al (2018) reported several options to optimize cool-season forage gains and subsequent early spring positive effects on forage production by overseeding bermudagrass [Cynodon dactylon (L.) Pers.]. Overseeding cool-season legumes on switchgrass (Panicum virgatum L.), also increased total biomass productivity (Mantino et al, 2020). Studies evaluating the effect of overseeding on warm-season legumes, such as rhizoma peanut, have not been widely reported in the literature.…”

Section: Ta B L E a Useful Conversionsmentioning

confidence: 99%

“…Cool‐season annual legumes and grasses are commonly overseeded on warm‐season grass pastures, however results may vary from site to site (Han, Alison, Pitman, & McCormick, 2012; Mantino, Giannini, Tozzini, Bonari, & Ragaglini, 2020; White, Muir, & Lambert, 2018). Overseeding cool‐season forages can potentially increase animal performance during the cool season while optimizing land utilization and improving production throughout the year (Dubeux et al., 2016).…”

Section: Introductionmentioning

confidence: 99%

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Overseeding cool‐season forages on rhizoma peanut fields

Santos

Dubeux

Jaramillo

et al. 2020

Crop Forage & Turfgrass Mgmt

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Rhizoma peanut (Arachis glabrata Benth.) is an important hay crop in the southern United States. Since rhizoma peanut is a warm‐season perennial legume, it remains dormant during the cool season. Overseeding rhizoma peanut during the cool season could optimize land productivity per unit area throughout the year. However, the effect of overseeding on rhizoma peanut performance in the following growing season is unknown. This study evaluated different combinations of rye (Secale cereale L. ‘FL401’) and/or ryegrass (Lolium multiflorum Lam. ‘Prine’) mixed or not with clovers (Trifolium spp.) overseeded on dormant ‘Florigraze’ rhizoma peanut. Rye–clover mixtures resulted in greater herbage accumulation (6,040 lb ac−1 yr−1) than grass monocultures, clovers, and rye–ryegrass mixtures. However, rye–clover mixtures had similar herbage accumulation to rye–ryegrass–clovers (5,640 lb ac−1 yr−1) and ryegrass–clovers (4,560 lb ac−1 yr−1). Crude protein (CP) concentration in grass was greater for rye and rye–ryegrass (9.8%, for both) than in ryegrass monoculture (8.2%), nonetheless, it was similar to other treatments (9.1%, on average). Ryegrass and ryegrass–clovers resulted in the greater in vitro digestible organic matter (IVDOM) for the grasses (81%, on average) than all other treatments (70%, on average). Overseeding rhizoma peanut did not affect its herbage responses. On average, herbage accumulation, CP, and IVDOM for Florigraze rhizoma peanut in the first harvest following the overseeding treatments were 3,845 lb ac−1, 14.2%, and 75.7%, respectively. Results indicate that overseeding cool‐season grass–legume mixtures would optimize forage production per unit area and improve forage nutritive value without compromising rhizoma peanut herbage responses in the growing season.

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Section: Ta B L E a Useful Conversionsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Overseeding cool‐season forages on rhizoma peanut fields

Santos

Dubeux

Jaramillo

et al. 2020

Crop Forage & Turfgrass Mgmt

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“…is one of the most appreciated and employed as forage and pasture crops due to its high productivity and high nutritional value as livestock feed [44]. Also, sulla (Hedysarum coronarium L.), a typical biennial legume widely grown in Central and Southern Italy, could be particularly beneficial for: (i) its capability to exploit clay and alkali soils under rainfed conditions and (ii) its high nutritive value as pasture and hay, mostly due to its high protein content [45]. Among trees, in Italy poplars (Populus spp.)…”

Section: Introductionmentioning

confidence: 99%

N2 Use in Perennial Swards Intercropped with Young Poplars, Clone I-214 (Populus × euramericana (Dode) Guinier), in the Mediterranean Area under Rainfed Conditions

2023

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Intercropping perennial legumes with trees can reduce Nitrogen (N) losses, due to the high amount of N accumulated in stable forms in the soil and permanent soil cover during the whole year. Although N cycling improvement in mature agroforestry systems (AFS) was well documented, there is a lack of knowledge regarding systems in transition to AF. In this work, we studied the association of two perennial forage crops, namely ryegrass (Lolium multiflorum Lam.) and sulla (Hedysarum coronarium L.), with 1-year old poplars, to evaluate: (i) the agronomic performance of sulla and ryegrass with vs. without intercropped poplar trees; (ii) the N-fixing ability of sulla in association with trees; (iii) the N transfer effect from sulla and growth promoting effect on poplar; and finally (iv) the nitrate leaching reduction due to the presence of poplar trees associated to forage crops. The layout was arranged in a two-factor randomized complete blocks design (RCB) with three replicates. The first factor tested (crop species) implied two different swards, namely sulla and ryegrass. The second factor (cropping system) included two different systems: PAST i.e., a pastoral system without trees, and SIPAST, i.e., a silvo-pastoral system with one poplar tree row beside the sward. Sulla resulted more productive than ryegrass when associated with trees (+35%). No clear trend was observed about the tree influence on N-fixation in sulla, but the amount of N fixed resulted higher in in sulla grown in the SIPAST near the trees (+35%). Poplar plants, even in the first year after planting, resulted effective yet in reducing the nitrate flux from the crops towards ditches. Further investigations are needed to study other swards in young AF and better understand the N dynamics; in particular, it could be worth to assess the nutrient flux in the soil solution.

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Effects of intercropping on the herbage production of a binary grass-legume mixture (Hedysarum coronarium L. and Lolium multiflorum Lam.) under artificial shade in Mediterranean rainfed conditions

Tramacere,

Antichi,

Mele

et al. 2024

Agroforest Syst

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Growing perennial legumes in the understory layer in agroforestry systems is a strategy to improve the sustainability of agricultural systems, i.e., by increasing land productivity, fostering carbon sequestration and nutrient cycling and reducing reliance on inorganic nitrogen fertilizers for tree crops. In many parts of Central Italy, sulla, a biennial autochthonous legume, is widely adopted in forage cropping systems for its productivity and nutritive value and it is often intercropped with ryegrass for a better utilization as grazed temporary grassland. To evaluate the agronomic performance of these perennial species grown under different levels of light reduction, an artificial shade plot trial was established in the coastal plain of Pisa, Central Italy, with the aim to simulate the effect of tree presence with different levels of shade intensification in rainfed conditions. The experiment layout complies with a 2-way completely randomized design with four replicates. The two factors tested were the forage species (namely sulla, ryegrass and their intercropping) and the level of shade (no shade, moderate shade − 30% light reduction-, and intense shade − 50% light reduction-). Shading significantly reduced the above ground biomass (AGB) production, especially for the intense shading (on average about − 20% with respect to the full sun). The mixture resulted as the most productive crop, yielding on average about + 30 and + 40% AGB in comparison to sulla and ryegrass pure stands, respectively. The findings about the effect of the shading on AGB production showed that mixture was a suitable sward, especially under moderate shading conditions. Further studies are needed with the purpose to investigate the productive performance of these swards in real agroforestry conditions.

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The overseeding of two cool-season legumes (Hedysarum coronarium L. and Trifolium incarnatum L.) on switchgrass (Panicum virgatum L.) mature stands increased biomass productivity

Cited by 3 publications

References 32 publications

Overseeding cool‐season forages on rhizoma peanut fields

Overseeding cool‐season forages on rhizoma peanut fields

N2 Use in Perennial Swards Intercropped with Young Poplars, Clone I-214 (Populus × euramericana (Dode) Guinier), in the Mediterranean Area under Rainfed Conditions

Effects of intercropping on the herbage production of a binary grass-legume mixture (Hedysarum coronarium L. and Lolium multiflorum Lam.) under artificial shade in Mediterranean rainfed conditions

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