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| Sell, Randall S.; Nudell, Daniel J.; Bangsund, Dean A.; Leistritz, F. Larry; Faller, Timothy. |
| This report presents an economic feasibility study of a 5,000 head, cooperatively owned, sheep operation for leafy spurge control. The objectives were 1) determine the return on investment of the cooperative, 2) determine the proposed structure of the cooperative, and 3) ascertain the amount of capital investment required by members in the cooperative. Three sheep flock management alternatives were initially considered for the cooperative. These were 1) winter lambing, 2) spring lambing, and 3) fall lambing. The fall lambing scenario was determined to be infeasible because of logistics associated with gathering and transportation of pregnant ewes and lack of grazing pressure on leafy spurge throughout the grazing season. The total capital investment... |
| Tipo: Working or Discussion Paper |
Palavras-chave: Leafy Spurge; Cooperative; Weed Control; Sheep Grazing; Economics; Farm Management; Resource /Energy Economics and Policy; Agribusiness. |
| Ano: 2000 |
URL: http://purl.umn.edu/23270 |
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| Bangsund, Dean A.; Nudell, Daniel J.; Sell, Randall S.; Leistritz, F. Larry. |
| Leafy spurge (Euphorbia esula L.), a widely established exotic, noxious, perennial weed, is a major threat to rangeland and wildland in the Upper Great Plains. Chemical, biological, and cultural control methods have limitations in their applicability and effectiveness in treating leafy spurge. However, many of the constraints prohibiting the use of herbicides, tillage, and biological controls do not apply to sheep grazing. Sheep grazing, while known to be effective in controlling leafy spurge since the 1930s, has lacked widespread adoption as a leafy spurge control. A deterministic, bioeconomic model, incorporating relationships between sheep grazing and leafy spurge control, grass recovery, and forage use by cattle, was developed to evaluate the... |
| Tipo: Working or Discussion Paper |
Palavras-chave: Leafy Spurge; Weed Control; Sheep Grazing; Economics; Farm Management; Resource /Energy Economics and Policy. |
| Ano: 2000 |
URL: http://purl.umn.edu/23373 |
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| Sell, Randall S.; Nudell, Daniel J.; Bangsund, Dean A.; Leistritz, F. Larry; Faller, Timothy. |
| This report presents an economic feasibility study of a 5,000 head, cooperatively owned, sheep operation for leafy spurge control. The objectives were 1) determine the return on investment of the cooperative, 2) determine the proposed structure of the cooperative, and 3) ascertain the amount of capital investment required by members in the cooperative. Three sheep flock management alternatives were initially considered for the cooperative. These were 1) winter lambing, 2) spring lambing, and 3) fall lambing. The fall lambing scenario was determined to be infeasible because of logistics associated with gathering and transportation of pregnant ewes and lack of grazing pressure on leafy spurge throughout the grazing season. The total capital investment... |
| Tipo: Working or Discussion Paper |
Palavras-chave: Leafy Spurge; Cooperative; Weed Control; Sheep Grazing; Economics; Farm Management; Resource /Energy Economics and Policy; Agribusiness. |
| Ano: 2000 |
URL: http://purl.umn.edu/23201 |
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| Bangsund, Dean A.; Nudell, Daniel J.; Sell, Randall S.; Leistritz, F. Larry. |
| Leafy spurge (Euphorbia esula L.), a widely established exotic, noxious, perennial weed, is a major threat to rangeland and wildland in the Upper Great Plains. Chemical, biological, and cultural control methods have limitations in their applicability and effectiveness in treating leafy spurge. However, many of the constraints prohibiting the use of herbicides, tillage, and biological controls do not apply to sheep grazing. Sheep grazing, while known to be effective in controlling leafy spurge since the 1930s, has lacked widespread adoption as a leafy spurge control. A deterministic, bioeconomic model, incorporating relationships between sheep grazing and leafy spurge control, grass recovery, and forage use by cattle, was developed to evaluate the... |
| Tipo: Working or Discussion Paper |
Palavras-chave: Leafy Spurge; Weed Control; Sheep Grazing; Economics; Farm Management; Resource /Energy Economics and Policy. |
| Ano: 1999 |
URL: http://purl.umn.edu/23113 |
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| Khoshnam, Farhad. |
| A patternator was designed and constructed with the aim of field sprayers pattern testing and consequently application of more accurate weed control, reduce environmental and economic costs associated with weed control. The patternator was tested at six spray height (50, 60, 70, 80, 90 and 100 cm) for each of the three levels of system pressure (1.0, 2.0 and 3.0 bar). All measurements were performed spraying water with a temperature of 20 oC in the laboratory. Environmental conditions are kept constant at a temperature of 48 oC, relative humidity of 51% and wind speed 3 m/s. The Spray Width (cm), Standard Deviation and Coefficient of Variation (CV) of spray distribution patterns obtained from Patternator experiments at various nozzle heights and pressures.... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Sprayer; Pattern; Horizontal Patternator; Weed Control; Uniformity; Costs. |
| Ano: 2022 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/6345 |
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