Search Results - "Guretzky, John A."

Herbage mass responses to sod suppression with glyphosate in pastures interseeded with sorghum × sudangrass by Jenkins, Matthew, Hillhouse, Heidi, Guretzky, John A.

“…Interseeding annual warm‐season forages into perennial cool‐season grasses may increase herbage mass and quality. Yet, methods to do so successfully remain…”
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Seeding Rate Effects on Forage Mass and Vegetation Dynamics of Cool-Season Grass Sod Interseeded with Sorghum-Sudangrass by Guretzky, John A., Redfearn, Daren D.

“…Interseeding annual warm-season grasses into perennial cool-season grasses has the potential to increase summer forage mass and nutritive value. Knowledge of…”
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Alfalfa establishment with sorghum–sudangrass as a companion crop by La Vallie, Martina, Guretzky, John A., Schacht, Walter H., Redfearn, Daren D.

“…Reduced first‐year yields and competition from weeds often limits alfalfa (Medicago sativa L.) planting and establishment. This study was conducted to evaluate…”
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Switchgrass for forage and bioenergy: harvest and nitrogen rate effects on biomass yields and nutrient composition by Guretzky, John A, Biermacher, Jon T, Cook, Billy J, Kering, Maru K, Mosali, Jagadeesh

“…Switchgrass (Panicum virgatum L.) may have value as forage and a bioenergy feedstock. Our objective was to evaluate how harvest system and N fertilizer rates…”
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Long-term Sandhills prairie responses to precipitation, temperature, and cattle stocking rate by Guretzky, John A., Dunn, Cheryl, Hillhouse, Heidi

“…Understanding of Sandhills prairie, the most expansive sand dune region stabilized by perennial grasses in the Western Hemisphere, is limited by lack of…”
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Grassland plant community response to interacting disturbances and temporal variability by Andrade, Bianca O., Dallmann, Josiah D., Volesky, Jerry D., Schacht, Walter H., Guretzky, John A.

“…Knowledge of disturbance interactions is fundamental to improved understanding of plant community dynamics and the development of management practices aimed at…”
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Effect of Potassium and Nitrogen Fertilizer on Switchgrass Productivity and Nutrient Removal Rates under Two Harvest Systems on a Low Potassium Soil by Kering, Maru K., Butler, Twain J., Biermacher, Jon T., Mosali, Jagadeesh, Guretzky, John A.

“…Biomass demand for energy will lead to utilization of marginal, low fertility soil. Application of fertilizer to such soil may increase switchgrass ( Panicum…”
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Patch Burning: Implications on Water Erosion and Soil Properties by Ozaslan Parlak, Altingul, Parlak, Mehmet, Blanco‐Canqui, Humberto, Schacht, Walter H., Guretzky, John A., Mamo, Martha

“…Patch burning can be a potential management tool to create grassland heterogeneity and enhance forage productivity and plant biodiversity, but its impacts on…”
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Effects of Row Spacing, Seeding Rate, and Planting Date on Establishment of Switchgrass by Foster, Jamie L., Guretzky, John A., Huo, Chengjun, Kering, Maru K., Butler, Twain J.

“…Switchgrass (Panicum virgatum L.) has been identified as a potential biomass crop for marginal cropland, but establishment can be problematic. In Exp. 1,…”
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Nitrogen Input Effects on Herbage Accumulation and Presence of Pasture Plant Species by Guretzky, John A., Schacht, Walter, Snell, Laura, Soper, Jonathan, Moore, Stephanie, Watson, Andrea, Klopfenstein, Terry

“…Long‐term responses of pasture plant species to management strategies that vary amount and form of N inputs form a knowledge gap. Our objective was to…”
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Harvest Timing Affects Switchgrass Production, Forage Nutritive Value, and Nutrient Removal by Kering, Maru K., Guretzky, John A., Interrante, Sindy M., Butler, Twain J., Biermacher, Jon T., Mosali, Jagadeesh

“…ABSTRACT Switchgrass (Panicum virgatum L.) has potential for both bioenergy and forage. The objectives of this experiment were to (i) determine whether…”
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Expected Economic Potential of Substituting Legumes for Nitrogen in Bermudagrass Pastures by Biermacher, Jon T., Reuter, Ryan, Kering, Maru K., Rogers, James K., Blanton, John, Guretzky, John A., Butler, Twain J.

“…ABSTRACT Grazing warm‐season grass pastures with stocker cattle (Bos taurus) is an important economic activity in the southern Great Plains, and substantial…”
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Nitrous oxide emissions and herbage accumulation in smooth bromegrass pastures with nitrogen fertilizer and ruminant urine application by Snell, Laura K, Guretzky, John A, Jin, Virginia L, Drijber, Rhae A, Mamo, Martha

“…Agricultural soils contribute significantly to nitrous oxide (N₂O) emissions, but little data is available on N₂O emissions from smooth bromegrass (Bromus…”
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Soil Organic Matter and Root and Rhizome Responses to Management Strategies in Smooth Bromegrass Pastures by Guretzky, John A., Wingeyer, Ana B., Schacht, Walter H., Klopfenstein, Terry J., Watson, Andrea

“…Soil organic matter (SOM) is a key component of pasture production. This study investigated how management strategies that varied amount and form of N input in…”
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Litter Deposition and Nitrogen Return in Rotationally Stocked Smooth Bromegrass Pastures by Guretzky, John A., Schacht, Walter H., Wingeyer, AnaB, Klopfenstein, Terry J., Watson, Andrea

“…Understanding how management systems impact nutrient cycling is important to pasture sustainability. From 2010 to 2011, we investigated how supplementation of…”
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Economic Evaluation of Switchgrass Feedstock Production Systems Tested in Potassium-Deficient Soils by Haque, Mohua, Biermacher, Jon T, Kering, Maru K, Guretzky, John A

“…Limited information is available about the economic benefits and costs associated with managing switchgrass (Panicum virgatum L.) produced for bioenergy…”
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Switchgrass Biomass and Nitrogen Yield with Over-Seeded Cool-season Forages in the Southern Great Plains by Butler, Twain J., Muir, James P., Huo, Chengjun, Guretzky, John A.

“…In dry climates with long, hot summers and freezing winters, such as that of the southern Great Plains of North America, switchgrass ( Panicum virgatum L.) has…”
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Economics of Alternative Fertilizer Supply Systems for Switchgrass Produced in Phosphorus-Deficient Soils for Bioenergy Feedstock by Haque, Mohua, Biermacher, Jon T., Kering, Maru K., Guretzky, John A.

“…Limited information is available explaining the economics of supplying N and P fertilizers on established stands of switchgrass growing in phosphorus-deficient…”
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Perennial Grass Growth and Development by Guretzky, John A., Kohmetscher, Amy, Namuth-Covert, Deana

“…Central to the management of perennial grasses in traditional range and pasture and advanced biomass energy production systems is having a firm understanding…”
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Plant species richness in relation to pasture position, management, and scale by Guretzky, John A., Moore, Kenneth J., Burras, C. Lee, Brummer, E. Charles

“…The objective of this research was to describe how landscape position, grazing management, and scale affected overall plant species richness and species…”
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