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Holman, J

Harmoney, K

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Authors

Obour, A

Holman, J

Simon, L

Schlegel, A

Holman, J

Obour, A

Schlegel, A

Simon, L

Obour, A

Holman, J

Roozeboom, K

Akporsoe, P

Obour, A

Holman, J

Harmoney, K

Carson, Z

Simon, L

Ruiz Diaz, D

Topics

Soil Management

Student

Type

Oral

Poster

Year

2020

2026

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Authors

Filter results4 paper(s) found.
1. Strategic Tillage Effects on Crop Yield and Soil Properties and Dryland Crop Rotations This study evaluated strategic tillage (ST) to control HR weeds and improve crop yields in an otherwise long-term no-till (NT) soil. Treatments were five crop rotations: 1) continuous winter wheat (Triticum aestivum L.) (WW); 2) wheat-fallow (WF); 3) wheat-sorghum (Sorghum bicolor L.)-fallow (WSF); 4) continuous sorghum (SS); and 5) sorghum-fallow (SF) as main plots. The sub-plot were reduced tillage (RT), continuous NT, and ST of NT. Results showed tillage (ST or RT)... A. Obour, J. Holman, L. Simon, A. Schlegel
2. Long-term Forage Rotation Yields, Soil Water Use, and Profitability Forages are important for the region’s livestock industry and are becoming increasingly important as irrigation capacity and grain prices decrease. Forages require less water than grain crops and may allow for increasing cropping system intensification and opportunistic cropping. A study was initiated in 2012 at the Southwest Research-Extension Center near Garden City, KS, comparing several 1-, 3-, and 4-year forage rotations with no-tillage and minimum-tillage. Data presented are from 2013... J. Holman, A. Obour, A. Schlegel, L. Simon Download paper
3. Long-term Cover Crop Effects on Soil Organic Carbon, Nitrogen Stocks, and Water Stable Aggregates in the Semiarid Central Great Plains Growing cover crops (CC) in semiarid dryland cropping systems in the central Great Plains (CGP) may provide several benefits to soil health. This study examined long-term CC management effects on soil health in a no-till winter wheat (Triticum aestivum L.)–grain sorghum (Sorghum bicolor L.)–fallow (WSF) cropping system in southwestern Kansas. The experimental design was a split-split-plot randomized complete block with four replications. Main plots were... L. Simon, A. Obour, J. Holman, K. Roozeboom Download paper
4. Short-Term Changes in Soil Properties Following Simulated Wildfire After Winter Wheat Harvest Wildfires on croplands can destroy residue cover, soil organic matter and negatively impact crops yields in semi-arid Great. Approximately 16 acre field of winter wheat stubble was subjected to wildfire event at Kansas State University Agricultural Research Center near Hays, KS to study management strategies that can restore soil health in croplands impacted by wildfires. Control burning to stimulated wildfire was done in summer 2025 by igniting fire on a down-wind corner at the interface... P. Akporsoe, A. Obour, J. Holman, K. Harmoney, Z. Carson, L. Simon, D. Ruiz diaz Download paper

Filter results4 paper(s) found.

1. Strategic Tillage Effects on Crop Yield and Soil Properties and Dryland Crop Rotations

This study evaluated strategic tillage (ST) to control HR weeds and improve crop yields in an otherwise long-term no-till (NT) soil. Treatments were five crop rotations: 1) continuous winter wheat (Triticum aestivum L.) (WW); 2) wheat-fallow (WF); 3) wheat-sorghum (Sorghum bicolor L.)-fallow (WSF); 4) continuous sorghum (SS); and 5) sorghum-fallow (SF) as main plots. The sub-plot were reduced tillage (RT), continuous NT, and ST of NT. Results showed tillage (ST or RT)... A. Obour, J. Holman, L. Simon, A. Schlegel

2. Long-term Forage Rotation Yields, Soil Water Use, and Profitability

Forages are important for the region’s livestock industry and are becoming increasingly important as irrigation capacity and grain prices decrease. Forages require less water than grain crops and may allow for increasing cropping system intensification and opportunistic cropping. A study was initiated in 2012 at the Southwest Research-Extension Center near Garden City, KS, comparing several 1-, 3-, and 4-year forage rotations with no-tillage and minimum-tillage. Data presented are from 2013... J. Holman, A. Obour, A. Schlegel, L. Simon

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3. Long-term Cover Crop Effects on Soil Organic Carbon, Nitrogen Stocks, and Water Stable Aggregates in the Semiarid Central Great Plains

Growing cover crops (CC) in semiarid dryland cropping systems in the central Great Plains (CGP) may provide several benefits to soil health. This study examined long-term CC management effects on soil health in a no-till winter wheat (Triticum aestivum L.)–grain sorghum (Sorghum bicolor L.)–fallow (WSF) cropping system in southwestern Kansas. The experimental design was a split-split-plot randomized complete block with four replications. Main plots were... L. Simon, A. Obour, J. Holman, K. Roozeboom

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4. Short-Term Changes in Soil Properties Following Simulated Wildfire After Winter Wheat Harvest

Wildfires on croplands can destroy residue cover, soil organic matter and negatively impact crops yields in semi-arid Great. Approximately 16 acre field of winter wheat stubble was subjected to wildfire event at Kansas State University Agricultural Research Center near Hays, KS to study management strategies that can restore soil health in croplands impacted by wildfires. Control burning to stimulated wildfire was done in summer 2025 by igniting fire on a down-wind corner at the interface... P. Akporsoe, A. Obour, J. Holman, K. Harmoney, Z. Carson, L. Simon, D. Ruiz diaz

Download paper