Forage Production and Quality of a Mixed-Grass Rangeland Interseeded With Medicago sativa ssp. falcata

Mortenson, Matthew C.; Schuman, G. E.; Ingram, Lachlan J.; Nayigihugu, V.; Hess, B. W.

doi:10.2111/1551-5028(2005)58[505:fpaqoa]2.0.co;2

Cited by 32 publications

(39 citation statements)

References 16 publications

(10 reference statements)

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“…Fixation of N by alfalfa has be shown to significantly increase crude protein of several native species (Mortenson et al 2005) and may have increased biomass productivity in our study. However, the lack of significant differences in grass biomass between Control plots with alfalfa and plots without alfalfa does not support this explanation.…”

Section: Discussionsupporting

confidence: 49%

“…There is evidence that below-ground niche separation occurs through differences in rooting depth (Silvertown 2004); however, alfalfa with M. sativa spp. falcata parentage is characterized by more shallow fibrous root systems (Berdahl et al 1989), which can compete for moisture with native grasses (Mortenson et al 2005). An alternative explanation is that N fixation from the alfalfa enhanced the productivity of the associated vegetation.…”

Section: Discussionmentioning

confidence: 99%

“…Alfalfa cultivars with a high degree of parentage from M. falcata (L.) have been recommended for interseeding with grasses in the Northern Great Plains because of their improved persistence (Berdahl et al 1989;Bittman and McCartney 1994). M. facata interseeded into a mixed-grass rangeland increases forage production and quality (Mortenson et al 2005) and carbon sequestration (Mortenson et al 2004). Medicago falcata alfalfas had greater yields at wider row spacing (90 cm.)…”

mentioning

confidence: 99%

“…Medicago falcata alfalfa may have different responses to grass competition and defoliation management than M. sativa. Mortenson et al (2004Mortenson et al ( , 2005 studied M. falcata alfalfa grown with native prairie grasses, but responses of alfalfa to defoliation have primarily been done in conjunction with tame grasses. Loss of legumes in acreages enrolled in the Conservation Reserve Program acres in Minnesota has been attributed to lack of defoliation (Grimsbo-Jewitt et al 1996;Sheaffer et al 1997).…”

mentioning

confidence: 99%

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Responses of Medicago sativa and M. falcata type alfalfas to different defoliation times and grass competition

Hendrickson¹,

Liebig²,

Berdahl³

2008

Can. J. Plant Sci.

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Responses of Medicago sativa and M. falcata type alfalfas to different defoliation times and grass competition. Can. J. Plant Sci. 88: 61Á69. Incorporating alfalfa into rangelands can enhance the quantity and quality of forage production. We evaluated the impact of clipping timing and selective clipping on two M. falcata (Anik and Yellowhead) and one M. sativa type alfalfas (Vernal) near Mandan, North Dakota, USA. Cultivars were space-planted into an existing mixed grass prairie and clipped at the mid-bud, flower or flower and subsequent vegetative stages. In each clipping treatment, half of the plots had only the alfalfa clipped and half had both the alfalfa and the associated native vegetation clipped. Plots without alfalfa were also included to evaluate the impact of alfalfa on grass and forb biomass. Including Yellowhead increased total productivity by 38 to 185% without lowering the productivity of the grass or forb biomass components. Plots with Yellowhead produced 17 to 26% more total biomass than the next highest entry every year. In 2003 and 2005, alfalfa biomass was increased 1.5 to 2.7 times by clipping only alfalfa in the flower and regrowth stages compared with a mid-bud clipping of only alfalfa. Vernal and Yellowhead generally produced more total biomass when clipping was deferred to the flower stage, but clipping Anik in the mid-bud stage produced as much or more total biomass than did the later clipping treatments. Selective clipping of the alfalfa did not have a consistent impact on yield. Yellowhead appeared to be a good choice for incorporating into rangelands. Producers with Yellowhead or Vernal should consider delaying defoliation until flowering to maximize productivity.Key words: Grazing-type alfalfa, hay-type alfalfa, defoliation timing, biomass productivity Hendrickson, J. R., Liebig, M. A. et Berdahl, J. D. 2008. Re´action des luzernes de type Medicago sativa et M. falcata al 'application de de´foliant a`diffe´rents moments et a`la concurrence des gramine´es. Can. J. Plant Sci. 88: 61Á69. Inte´grer la luzerne aux grands parcours pourrait ame´liorer la production et la qualite´des fourrages. Les auteurs ont e´value´l'incidence du moment de la coupe et d'une coupe se´lective sur deux varie´te´s de luzerne M. falcata (Anik et Yellowhead) et une de M. sativa (Vernal) pre`s de Mandan, dans le Dakota Nord, aux É tats-Unis. Les cultivars ont e´te´seme´s avec intervalle dans une prairie mixte puis re´colte´s à divers stades ve´ge´tatifs (milieu du bourgeonnement, floraison, floraison et stades ulte´rieurs). Apre`s chaque traitement, les auteurs ont re´colte´uniquement la luzerne sur la moitie´des parcelles et sur l'autre moitie´, la luzerne ainsi que la ve´ge´tation indige`ne. Ils ont inclus les parcelles sans luzerne afin d'e´valuer l'impact de cette dernie`re sur la biomasse des gramine´es et des dicotyle´dones. L'inclusion du cultivar Yellowhead accroıˆt la productivitet otale de 38 a`185 % sans pour autant re´duire le rendement des gramine´es et des dicotyle´dones au niveau de la biomasse. ...

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Section: Discussionsupporting

confidence: 49%

Section: Discussionmentioning

confidence: 99%

mentioning

confidence: 99%

mentioning

confidence: 99%

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Responses of Medicago sativa and M. falcata type alfalfas to different defoliation times and grass competition

Hendrickson¹,

Liebig²,

Berdahl³

2008

Can. J. Plant Sci.

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“…Information regarding soil responses to interseeded alfalfa in rangeland, however, is scarce. Mortenson et al (2004Mortenson et al ( , 2005) evaluated effects of yellow-flowered alfalfa (M. sativa spp. falcata) interseeded in a mixed-grass rangeland on carbon sequestration, N fixation, and forage production.…”

mentioning

confidence: 99%

Response of soil carbon and nitrogen to transplanted alfalfa in North Dakota rangeland

Liebig¹,

Hendrickson²,

Berdahl³

2010

Can. J. Soil. Sci.

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. 2010. Response of soil carbon and nitrogen to transplanted alfalfa in North Dakota rangeland. Can. J. Soil Sci. 90: 523Á526. Incorporation of alfalfa (Medicago spp.) into rangelands can increase forage production and quality and may improve the soil resource. A study was conducted to quantify the effects of alfalfa transplanted into native rangeland on soil organic carbon (SOC) and total nitrogen (TN). Results from this study suggest both grazing-and hay-type alfalfa can increase stocks of soil C and N in native rangeland. However, concurrent increases in SOC and TN in a non-alfalfa control treatment underscore the importance of applying caution when interpreting results.Key words: Northern Great Plains, carbon sequestration, Medicago falcata, Medicago sativa Liebig, M. A., Hendrickson, J. R. et Berdahl, J. D. 2010. Re´action de la teneur en carbone et en azote du sol a`la plantation de luzerne sur les grands parcours du Dakota Nord. Can. J. Soil Sci. 90: 523Á526. Inte´grer la luzerne (Medicago spp.) aux grands parcours pourrait accroıˆtre la production et la qualite´de fourrage ainsi qu'ame´liorer la qualite´du sol. Les auteurs ont entrepris une e´tude afin de quantifier les effets de la luzerne seme´e dans les parcours naturels sur la teneur en carbone organique du sol et sur l'azote total. Les re´sultats indiquent que la luzerne utilise´e pour la paissance et la production de foin peut accroıˆtre les re´serves de C et de N dans le sol des grands parcours naturels. Ne´anmoins, une hausse de la concentration de carbone organique et de l'azote total survenue paralle`lement dans le sol d'une parcelle te´moin sans luzerne souligne qu'il faut faire preuve de prudence lorsqu'on interpre`te les re´sultats.

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Practical considerations for adaptive strategies by US grazing land managers with a changing climate

Derner

Wilmer

Stackhouse-Lawson

et al. 2023

Agrosystems Geosci & Env

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We outline practical considerations for grazing land adaptations with a changing climate, with an emphasis on the ranch operation scale and specific attention to directional climate changes and increased climate variability. These adaptive strategies fall into two themes: flexibility and learning under uncertainty. Ranches and livestock operations with greater land, social, or other capital resources may have more flexibility. Risk can be reduced for managers (ranchers, farmers, operators, and livestock managers) through participation in conservation or farm policy programs and/or market-based approaches. Bolstering adaptive capacity across landscapes and time can originate from social capital of operators and strategic collaborations among managers and scientists. As climate diverges from historical baselines and the realm of managers' experiential knowledge, new conceptual frameworks are needed to structure conversations, influence research relevancy and impact, and drive imaginative solutions among researchers, managers, and local communities for socioecological systems. We provide simplified frameworks to help guide conversation, future research, and new imaginative solutions for systems-scale knowledge needs and adaptation to address increasingly uncertain and complex change at multiple scales. Practical considerations for adaptive strategies by grazing land managers with a changing climate will be accelerated through (1) collaborative efforts among managers and explicitly with science-management partnerships becoming more mainstream, (2) co-produced research with managers and researchers at ranch scales, (3) development of communities of practice and associated learning opportunities, and (4) continued co-development and advancement of technologies and tools that result in high uptake adoption by ranch managers.This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Forage Production and Quality of a Mixed-Grass Rangeland Interseeded With Medicago sativa ssp. falcata

Cited by 32 publications

References 16 publications

Responses of Medicago sativa and M. falcata type alfalfas to different defoliation times and grass competition

Responses of Medicago sativa and M. falcata type alfalfas to different defoliation times and grass competition

Response of soil carbon and nitrogen to transplanted alfalfa in North Dakota rangeland

Practical considerations for adaptive strategies by US grazing land managers with a changing climate

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