scholarly journals Effects of Prescribed Fire and Herbicide Application on Cattle Grazing and Herbage Production from Yellow Bluestem Pastures1

2010 ◽  
Vol 26 (6) ◽  
pp. 638-646 ◽  
Author(s):  
S.A. Gunter ◽  
R.L. Gillen
Keyword(s):  
Prescribed Fire ◽  
Cattle Grazing ◽  
Herbicide Application

Conifer Plantation Grazing and Fire Hazard Implications

1979 ◽  
Vol 3 (3) ◽  
pp. 114-118
Author(s):  
Carl C. Wilson ◽  
Edwin H. Collins
Keyword(s):  
United States ◽  
Prescribed Fire ◽  
Fire Hazard ◽  
Cattle Grazing ◽  
Reduction Technique ◽  
Pine Plantations ◽  
Southern United States ◽  
Hazard Reduction ◽  
Conifer Plantation ◽  
Conifer Plantations

Abstract Fire losses occur in young conifer plantations in the southern United States each year primarily because of the hazardous grass and weeds surrounding the trees. Yet, the usual hazard-reduction technique of prescribed fire can't be used safely until the pine plantations reach at least six to eight feet in height. Cattle grazing will not only lessen the fuel hazard, but will also provide desirable forage without damaging the young trees if the livestock are well-managed.

Effects of Imazapic on Target and Nontarget Vegetation during Revegetation

2007 ◽  
Vol 21 (4) ◽  
pp. 1071-1081 ◽  
Author(s):  
Roger L. Sheley ◽  
Michael F. Carpinelli ◽  
Kimberly J. Reever Morghan
Keyword(s):  
Prescribed Fire ◽  
Application Rate ◽  
Annual Grass ◽  
Herbicide Application ◽  
Burn Treatment ◽  
Application Rates ◽  
Nontarget Species ◽  
Annual Grasses ◽  
Winter Annual ◽  
Plot Design

Medusahead is an introduced, winter-annual grass covering millions of hectares of the semiarid West. It forms exclusive stands and has a dense thatch cover that resists the establishment of desirable species. Prescribed fire can remove medusahead litter and improve plant establishment. Medusahead control is fundamental to establishing desirable species that will, in turn, resist further invasion. Imazapic is an effective herbicide for control of medusahead, but more information is needed on its effects on desirable species. Our objectives were to test how imazapic application rate and timing affected medusahead, seeded desirable species, and other nontarget vegetation on burned and unburned rangeland in southeast Oregon. We burned existing medusahead infestations at two different sites in June 2003. Following the burn, imazapic was applied at rates of 0, 35, 70, 105, 140, 175, and 210 g ai/ha between July and October of 2003 in a randomized strip-plot design. In November 2003, monocultures of seven desirable species were drill-seeded across the imazapic treated areas. Data on cover and density of medusahead and seeded species were collected in 2004 and 2005. Cover data of nontarget species were collected in the summer of 2005. Medusahead cover was highest in control plots and lowest in plots that received the highest herbicide application rates. Medusahead cover was lower in burned plots. The effect of imazapic on nontarget vegetation was less clear. Seeded species established in the study plots, but their response to herbicide rate showed few consistent patterns; some of the seeded species showed little response to herbicide, whereas others appeared to establish best at different herbicide rates, depending on site and whether the plots were burned or unburned. Site and burn treatment also affected how imazapic rate or application month influenced cover of perennial or annual grasses or forbs.

Principles and guidelines for managing cattle grazing in the grazing lands of northern Australia: stocking rates, pasture resting, prescribed fire, paddock size and water points – a review

2014 ◽  
Vol 36 (2) ◽  
pp. 105 ◽  
Author(s):  
L. P. Hunt ◽  
J. G. McIvor ◽  
A. C. Grice ◽  
S. G. Bray
Keyword(s):  
Prescribed Fire ◽  
Key Management ◽  
Good Condition ◽  
Fire Regimes ◽  
Cattle Grazing ◽  
Northern Australia ◽  
Grazing Land ◽  
Resource Condition ◽  
Management Factors ◽  
Stocking Rates

Beef cattle grazing is the dominant land use in the extensive tropical and sub-tropical rangelands of northern Australia. Despite the considerable knowledge on land and herd management gained from both research and practical experience, the adoption of improved management is limited by an inability to predict how changes in practices and combinations of practices will affect cattle production, economic returns and resource condition. To address these issues, past Australian and international research relating to four management factors that affect productivity and resource condition was reviewed in order to identify key management principles. The four management factors considered were stocking rates, pasture resting, prescribed fire, and fencing and water point development for managing grazing distribution. Four management principles for sound grazing management in northern Australia were formulated as follows: (1) manage stocking rates to meet goals for livestock production and land condition; (2) rest pastures to maintain them in good condition or to restore them from poor condition to increase pasture productivity; (3) devise and apply fire regimes that enhance the condition of grazing land and livestock productivity while minimising undesirable impacts; and (4) use fencing and water points to manipulate grazing distribution. Each principle is supported by several more specific guidelines. These principles and guidelines, and the supporting research on which they are based, are presented.

Evaluation of Cattle Grazing Distribution in Response to Weed and Legume Removal in Mixed Tall Fescue (Schedonorus phoenix) and Legume Pastures

2013 ◽  
Vol 27 (1) ◽  
pp. 101-107 ◽  
Author(s):  
Bryan C. Sather ◽  
Robert L. Kallenbach ◽  
William J. Sexten ◽  
Kevin W. Bradley
Keyword(s):  
Global Positioning System ◽  
Tall Fescue ◽  
Cattle Grazing ◽  
Beef Cows ◽  
Positioning System ◽  
Herbicide Application ◽  
Global Positioning ◽  
Global Positioning System Tracking ◽  
Cattle Distribution ◽  
Schedonorus Phoenix

Grazing experiments were conducted during 2009 and 2010 to investigate the effect of herbicide application and subsequent weed removal on cattle grazing distribution in mixed tall fescue and legume pastures. At each location, herbicide applications were made to one-half of the grazed hectares to remove existing weeds and brush. Weeds and legumes were left nontreated across the remaining half of the grazed hectares at each location. Global positioning system tracking collars were fitted to three beef cows at each site and coordinates from each collar were recorded at 1-h intervals for 3 to 4 mo after herbicide application. At each location, broadleaf weeds were reduced from 1 to 51 kg ha−1, and legumes were completely eliminated in herbicide-treated compared to nontreated portions of the pastures. By the end of the season, the forage grass and legume component of pastures was greater and weed component lower in treated compared to nontreated portions of the pastures. By 3 mo after treatment, the cattle distribution was 1.3 to 5 times greater in herbicide-treated compared to nontreated portions of pastures. Overall, results from these experiments indicate herbicide treatment can increase desirable forage mass and thus modify cattle grazing distribution in pastures.

Environmental Benefits of Precision Agriculture Adoption

2020 ◽  
pp. 637-656 ◽  
Author(s):  
Marco Medici ◽  
Søren Marcus Pedersen ◽  
Giacomo Carli ◽  
Maria Rita Tagliaventi
Keyword(s):  
Environmental Impacts ◽  
Precision Agriculture ◽  
New Technologies ◽  
Environmental Benefits ◽  
Herbicide Application ◽  
Pesticide Application ◽  
Policy Makers ◽  
Application Rates ◽  
Biodiversity Policy ◽  
Lime Application

The purpose of this study is to analyse the environmental benefits of precision agriculture technology adoption obtained from the mitigation of negative environmental impacts of agricultural inputs in modern farming. Our literature review of the environmental benefits related to the adoption of precision agriculture solutions is aimed at raising farmers' and other stakeholders' awareness of the actual environmental impacts from this set of new technologies. Existing studies were categorised according to the environmental impacts of different agricultural activities: nitrogen application, lime application, pesticide application, manure application and herbicide application. Our findings highlighted the effects of the reduction of input application rates and the consequent impacts on climate, soil, water and biodiversity. Policy makers can benefit from the outcomes of this study developing an understanding of the environmental impact of precision agriculture in order to promote and support initiatives aimed at fostering sustainable agriculture.

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