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1. Evaluation of Fifteen Cultivars of Cool-Season Perennial Grasses as Biofuel Feedstocks Using Near-Infrared

Author:
Payne, Courtney; Wolfrum, Edward J.; Nagle, Nick; Brummer, Joe E.; Hansen, Neil
Source:
Agronomy journal 2017 v.109 no.5 pp. 1923-1934
ISSN:
0002-1962
Subject:
C3 plants; Elymus repens subsp. repens; Pseudoroegneria spicata; Thinopyrum intermedium subsp. barbulatum; animals; biofuels; biomass production; carbohydrate composition; cold season; cultivars; enzymatic hydrolysis; feedstocks; forage; glucose; growing season; hybrids; least squares; near-infrared spectroscopy; perennial grasses; xylose; Colorado
Abstract:
... Cool-season (C3) perennial grasses have a long history of cultivation and use as animal forage. This study evaluated 15 cultivars of C3 grasses, when harvested in late June for increased biomass yield, as biofuel feedstocks using near- infrared spectroscopy (NIR) based partial least square (PLS) analysis. These grasses were grown near Iliff, CO, for three growing seasons (2009–2011). The carbohydr ...
DOI:
10.2134/agronj2016.09.0510

2. Grass–Legume Proportions in Forage Seed Mixtures and Effects on Herbage Yield and Weed Abundance

Author:
Sanderson, Matt A.; Brink, Geoffrey; Stout, Robert; Ruth, Leah
Source:
Agronomy journal 2013 v.105 no.5 pp. 1289
ISSN:
0002-1962
Subject:
Dactylis glomerata; Elymus repens subsp. repens; Festuca pratensis; Medicago sativa; Phalaris arundinacea; Trifolium ambiguum; Trifolium pratense; Trifolium repens; alfalfa; autumn; biomass; cultural control; forage; grasses; pastures; seed mixtures; species diversity; weed control; weeds; Pennsylvania; Wisconsin
Abstract:
... Formulating grass–legume mixtures requires knowledge of how the proportion of species in a seed mixture (i.e., species evenness) affects productivity and weed abundance. We hypothesized that mixtures with more equal proportions of species in the seed mixture (i.e., greater species evenness) would have greater productivity and fewer weeds than mixtures dominated by one or two species or monoculture ...
Handle:
10113/58342
DOI:
10.2134/agronj2013.0131

3. Yield and Persistence of Cool-Season Grasses under Horse Grazing

Author:
Allen, Elizabeth; Sheaffer, Craig; Martinson, Krishona
Source:
Agronomy journal 2012 v.104 no.6 pp. 1741-1746
ISSN:
0002-1962
Subject:
Alopecurus arundinaceus; Bromus biebersteinii; Bromus inermis; Bromus riparius; Dactylis glomerata; Elymus repens subsp. repens; Festuca arundinacea subsp. arundinacea; Festuca pratensis; Lolium perenne; Phalaris arundinacea; Phleum pratense; Poa pratensis; adults; cool season grasses; crop rotation; forage; forage yield; ginger; horses; pastures; planting; rotational grazing; summer; valleys; United States
Abstract:
... Cool-season grasses are the foundation of productive pastures throughout most of the United States; however, many grasses have not been evaluated under horse (Equus caballus) grazing. The objectives were to evaluate forage yield and persistence of cool-season grasses under horse grazing. Four adult horses grazed Barolex tall fescue (Schedonorus phoenix Scop.), Hidden Valley meadow fescue (Schedono ...
DOI:
10.2134/agronj2012.0239

4. Grass–Legume Mixtures Suppress Weeds during Establishment Better than Monocultures

Author:
Sanderson, Matt A.; Brink, Geoff; Ruth, Leah; Stout, Robert
Source:
Agronomy journal 2012 v.104 no.1 pp. 36-42
ISSN:
0002-1962
Subject:
Brassica napus; Carduus acanthoides; Dactylis glomerata; Elymus repens subsp. repens; Medicago sativa; Trifolium repens; alfalfa; autumn; canola; forage; pastures; seed mixtures; weeds; Pennsylvania; Wisconsin
Abstract:
... Maintaining a diversity of plant species in pastures may reduce weed invasion. Knowledge of how the proportion of species in a mixture (i.e., species evenness) affects weed invasion would be useful in formulating seed mixtures. We hypothesized that forage mixtures with greater species evenness would reduce weed invasion at establishment better than mixtures dominated by a few species (low species ...
DOI:
10.2134/agronj2011.0130

5. Species Population Dynamics in a Mixed Pasture under Two Rotational Sward Grazing Height Regimes

Author:
Carlassare, M.; Karsten, H. D.
Source:
Agronomy journal 2003 v.95 no.4 pp. 844-854
ISSN:
0002-1962
Subject:
Dactylis glomerata; Elymus repens subsp. repens; Poa pratensis; Taraxacum officinale; botanical composition; cattle; climate; forage; grazing; leaves; pasture plants; pastures; population dynamics; sward; temperature; tillers
Abstract:
... Describing tiller/leaf density and weight dynamics of pasture plants can improve our understanding of the seasonal productivity and persistence of different species under grazing. We hypothesized that within current rotational-stocking recommendations, shorter grazing heights would reduce orchardgrass (Dactylis glomerata L.) population and productivity, and favor more rhizomatous species, such as ...
DOI:
10.2134/agronj2003.8440

6. Productivity and Survival of Defoliated Wheatgrasses in the Rolling Plains of Texas

Author:
Malinowski, D. P.; Hopkins, A. A.; Pinchak, W. E.; Sij, J. W.; Ansley, R. J.
Source:
Agronomy journal 2003 v.95 no.3 pp. 614-626
ISSN:
0002-1962
Subject:
Agropyron cristatum; Elymus repens subsp. repens; Paleustalfs; Pseudoroegneria spicata; Thinopyrum elongatum; Thinopyrum intermedium subsp. barbulatum; Thinopyrum intermedium subsp. intermedium; defoliation; forage; grasses; growing season; hybrids; sandy loam soils; summer; temperature; Texas
Abstract:
... In the Texas Rolling Plains, cool-season perennial grasses may complement limited forage availability in March–May and October–December. In two experiments conducted at Vernon, TX, on a sandy loam soil (fine-loamy, mixed, thermic Udic Paleustalfs), we evaluated productivity and persistence of crested [Agropyron cristatum (L.) Gaertn. × A. desertorum (Fisch. ex Link) J.A. Schultes], hybrid [Elytrig ...
DOI:
10.2134/agronj2003.6140

7. Seasonal Yield Distribution of Cool-Season Grasses following Winter Defoliation

Author:
Riesterer, Janet L.; Casler, Michael D.; Undersander, Daniel J.; Combs, David K.
Source:
Agronomy journal 2000 v.92 no.5 pp. 974-980
ISSN:
0002-1962
Subject:
Bromus inermis; Dactylis glomerata; Elymus repens subsp. repens; Festuca arundinacea; Phalaris arundinacea; Phleum pratense; cool season grasses; cultivars; defoliation; fertilizer application; forage; forage yield; grazing; growing season; nitrogen fertilizers; split application; spring; summer; winter; Midwestern United States; Southeastern United States
Abstract:
... Graziers in southeastern USA often stockpile forage in late summer to extend the grazing season and reduce feeding costs. The effect of winter grazing on the following growing seasons production in the upper Midwest has not been reported. This study was conducted to determine the consequential forage yield and persistence of several cool-season grasses following various winter defoliation and N fe ...
DOI:
10.2134/agronj2000.925974x

8. Forage Yield of Stockpiled Perennial Grasses in the Upper Midwest USA

Author:
Riesterer, Janet L.; Undersander, D.J.; Casler, Michael D.; Combs, David K.
Source:
Agronomy journal 2000 v.92 no.4 pp. 740-747
ISSN:
0002-1962
Subject:
Bromus inermis; Dactylis glomerata; Elymus repens subsp. repens; Festuca arundinacea; Phalaris arundinacea; Phleum pratense; biomass; cool season grasses; fertilizer application; forage; forage yield; grazing; growing season; harvest date; nitrogen fertilizers; organic matter; perennial grasses; snowpack; spatial distribution; summer; winter; Midwestern United States
Abstract:
... Stockpiling forage is an effective method to extend grazing beyond the growing season. This study was conducted to determine standing forage organic matter (SFOM) and vertical biomass distribution, with and without applied N fertilizer, of seven cool-season grasses (early- and late-maturing orchardgrass [Dactylis glomerata L.], quackgrass [Elytrigia repens (L.) Desv. ex Nevski], reed canarygrass [ ...
DOI:
10.2134/agronj2000.924740x

9. Influence of Date and Method of Metribuzin Application for Quackgrass Control in Alfalfa

Author:
Leroux, G. D.; Harvey, R. G.
Source:
Agronomy journal 1983 v.75 no.5 pp. 741-744
ISSN:
0002-1962
Subject:
Argiudolls; Elymus repens subsp. repens; Medicago sativa; alfalfa; application methods; application rate; botanical composition; crop yield; developmental stages; dry matter accumulation; fertilizers; forage; metribuzin; silt loam soils; spring; weed control; weeds; Wisconsin
Abstract:
... In Wisconsin, alfalfa (Medicago sativa L.) occupies about 1.2 of the 1.6 million hectares of forage grown. However, quackgrass (Agropyron repens L.) causes deleterious effects on alfalfa productivity. In order to evaluate alfalfa tolerance to, and quackgrass control by, metribuzin [4-amino-6-rert-butyl-3-(methylthio)-as-triazin-5 (4H)-one] applied postemergence, established stands of ‘Vernal’ alfa ...
DOI:
10.2134/agronj1983.00021962007500050006x

10. Establishment of Alfalfa by Conventional and Minimum-Tillage Seeding Techniques in a Quackgrass-Dominant Sward

Author:
Mueller-Warrant, G. W.; Koch, D. W.
Source:
Agronomy journal 1980 v.72 no.6 pp. 884-889
ISSN:
0002-1962
Subject:
Elymus repens subsp. repens; Haplorthods; Medicago sativa; alfalfa; application timing; discing; energy; forage; forage yield; glyphosate; labor; minimum tillage; mowing; paraquat; pesticide application; plant density; plowing; sandy loam soils; seedlings; sowing; sward
Abstract:
... Minimum-tillage establishment of forages offers potential advantages over the conventional method in terms of reducing energy and labor requirements, erosion hazard, and improving flexibility, and timeliness of operation. Our objective was to compare these methods of establishing alfalfa (Medicago sativa L.) with various herbicides, time intervals between herbicide application and seeding, and see ...
DOI:
10.2134/agronj1980.00021962007200060006x