Yields of Renovated and Unimproved Permanent Pastures on Sloping Land in Southern Wisconsin<sup>1</sup>

Ahlgren, H. L.; Wall, M. L.; Muckenhirn, R. J.; Sund, J. M.

doi:10.2134/agronj1946.00021962003800100007x

Cited by 8 publications

(11 citation statements)

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“…Compared with summit positions, backslopes increased legume DM proportion in the continuous and rotational pastures by 143 and 114 g kg −1 , respectively, but legume DM proportion was not different in the nongrazed pastures (Table 4). This information contradicts the observation of Ahlgren et al (1946) that legume growth on steep slopes was less vigorous than under normal, less‐sloped field conditions. Others have found forb concentrations to be greater and to dominate swards on upper slopes compared with lower slopes (Perez Corona et al, 1995), which more closely reflects the findings of this study.…”

Section: Resultscontrasting

confidence: 86%

“…White clover proportion of the legume component was greatest in continuously stocked pastures, increasing from 401 to 732 g kg −1 from 1996 to 1998 (Table 3) Red clover significantly declined after 1996 in the continuous pastures. Ahlgren et al (1946) also showed that white clover increased in composition following continuous season‐long stocking, as did the composition of Kentucky bluegrass. Sprague and Garber (1950) found that white clover showed greater persistence in smooth bromegrass and orchardgrass when harvested more frequently and to shorter heights.…”

Section: Resultsmentioning

confidence: 87%

“…Ahlgren et al (1946) observed evident variations or patterns in legume growth within different pasture areas following legume establishment. Changes in legume production and persistence in pastures may also be seen because of grazing or other environmental stress (Marten et al, 1990; Peterson et al, 1992).…”

mentioning

confidence: 94%

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Spatial Legume Composition and Diversity across Seeded Landscapes

et al. 2001

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Based on this idea, greater legume richness and diversity may aid legume contributions to pasture swards used Pastures typically have diverse landscapes, and resulting soil condifor animal production. tions and plant composition can vary within small area units. This study was performed to quantify the spatial variation in legume contri-Information is also lacking that quantifies changes in bution to the plant community when seeded into established perennial legume composition across pasture landscapes, especool-season grass pastures. Pastures were interseeded with an 11cially under grazed conditions. Information regarding legume mixture and divided into three stocking methods (continuous, landscape positions and plant growth mostly involves rotational, and nongrazed), with each stocking method containing five landscape effects on row crop and cereal grain produclandscape positions (summit, backslope, toeslope, opposite backslope,

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Section: Resultscontrasting

confidence: 86%

Section: Resultsmentioning

confidence: 87%

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Spatial Legume Composition and Diversity across Seeded Landscapes

et al. 2001

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“…Early work (1,2,82) showed significant benefit for yield and quality of forage output as a result of reseeding or overseeding grasses or legumes into unimproved pasture, particularly where lime and fertilizer inputs were also provided. However, within systems that have undergone earlier renovation or remediation the benefits of new seeding may not be as great as might be assumed.…”

Section: Application Of Minimal Tillage Pasture Seeding In Low‐input mentioning

confidence: 99%

Comparison of Conventional and Minimal Tillage for Low-Input Pasture Improvement

Bartholomew

2005

Forage & Grazinglands

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“…In studies with defoliation firom grazing animals, slightly different trends may result. White clover increased in composition over the course of several seasons under continuous grazing, while the more upright growing sweetclover declined in composition (Ahlgren et al, 1946). Birdsfoot trefoil and red clover also showed a large reduction in stand composition and a lack of persistence within two growing seasons which included grazing (Marten et al, 1990).…”

Section: Legume Establishment and Persistencementioning

confidence: 98%

Legume establishment and persistence at sites varying in landscape position, grazing method, and soil characteristics

Harmoney

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Iowa pastures are diverse in the landscapes and soil conditions present within small area units. Introducing legumes into these areas has the potential to improve seasonal distribution and quality of the pasture forage. This study was performed to quantify the spatial and temporal variation in legume contribution to the plant community when seeded into established cool-season grass pastures. Pastures were seeded with a mixture of eleven legumes and then divided into three grazing methods (non-grazed, continuous, and rotational), with each grazing method containing five landscape positions (upland, sideslope, bottomland, opposite sideslope, and opposite upland). Legume dry matter composition, legiune species richness, legume diversity, and forage quality were determined during the grazing season and associated with site soil characteristics. Sideslope positions had greater legume dry matter composition (161 g kg ') than either the upland (62 g kg'') or bottomland landscape positions (7 g kg''), and legume concentrations increased as the growing seasons progressed in the grazed treatments. Legume species richness also was greater for sideslope landscape positions. Legume dry matter composition showed a strong, positive linear relationship to species richness in continuous, rotational, and non-grazed treatments (r^O.77,0.84, and 0.74), and may potentially be utilized as a tool to estimate the need for reestablishment in these pastures. Legume dry matter diversity using the Shaimon-Wiener index was greatest for grazed pastures, but was positively linearly related to legume dry matter composition in only rotationally grazed paddocks (r^O.88). Upland and xvi bottomland sites with the greatest total available dry matter herbage production potential contained the lowest legume concentrations and legume herbage. Forage NDF was lowest and IVDMD was greatest on sideslopes (527 g kg*', 630 g kg ") compared to uplands (552 g kg ', 608 g kg ') and bottomlands (568 g kg"', 560 g kg '). Of all spatial and temporal variables, land slope best explained the variation in legume dry matter composition (r^O.66) and species richness (r=0.75). Competition resulting from the greater grass component at lesser slopes appeared to be a limiting factor for legume establishment. Land slope is easily quantified, and could serve as a basis for pasture division for differential fertilization, seeding, and grazing management.

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Yields of Renovated and Unimproved Permanent Pastures on Sloping Land in Southern Wisconsin¹

Cited by 8 publications

References 0 publications

Spatial Legume Composition and Diversity across Seeded Landscapes

Spatial Legume Composition and Diversity across Seeded Landscapes

Comparison of Conventional and Minimal Tillage for Low-Input Pasture Improvement

Legume establishment and persistence at sites varying in landscape position, grazing method, and soil characteristics

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Yields of Renovated and Unimproved Permanent Pastures on Sloping Land in Southern Wisconsin1

Cited by 8 publications

References 0 publications

Spatial Legume Composition and Diversity across Seeded Landscapes

Spatial Legume Composition and Diversity across Seeded Landscapes

Comparison of Conventional and Minimal Tillage for Low-Input Pasture Improvement

Legume establishment and persistence at sites varying in landscape position, grazing method, and soil characteristics

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Yields of Renovated and Unimproved Permanent Pastures on Sloping Land in Southern Wisconsin¹