Proceedings :: Great Plains Soil Fertility

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Stone, L

Sherrod, L

Liebig, M

Schlegel, A

Sainju, U

Lawley, J.R

Liebig, M

Schlegel, A

Solie, J

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Authors

Obour, A

Holman, J

Simon, L

Schlegel, A

Haag, L

Schlegel, A

Ruiz Diaz, D

Holman, J

Obour, A

Schlegel, A

Simon, L

Hopkins, B.G

Cardon, G.E

Lawley, J.R

Topics

Soil Management

N Management

Nutrient Management and Analysis

Type

Oral

Poster

Year

2020

2022

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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. In-furrow Placement of Dry Urea Prodcuts with Winter Wheat Previous research has shown that the application of some nitrogen fertilizer prior to or at the time of wheat seeding can positively affect the initiation of fall tillers and thus yield potential. However, there are logistical challenges in placing that nitrogen in no-till production systems. Traditionally, the placement of urea-based fertilizers in-furrow with wheat seed has not been recommended. The objectives of this project were to evaluate stand reduction and associated... L. Haag, A. Schlegel, D. Ruiz diaz Download paper
3. 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
4. Soil Analysis Methods Accuracy and Precision Comparison: Historical North American Proficiency Testing (NAPT) Program Results The SSSA-NAPT Program provides open access to soil, water, and plant laboratory data. This data is collected quarterly from about 150 participating laboratories. For soil data, five samples are sent to participant laboratories for them to submit data for any or all of the 99 accepted methods. Our objective was to evaluate data precision from 43 soil samples (2019-2021). A measure of precision was made by dividing the Median Absolute Deviation (MAD) by the Median for each of the 43 samples... B.G. Hopkins, G.E. Cardon, J.R. Lawley 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. In-furrow Placement of Dry Urea Prodcuts with Winter Wheat

Previous research has shown that the application of some nitrogen fertilizer prior to or at the time of wheat seeding can positively affect the initiation of fall tillers and thus yield potential. However, there are logistical challenges in placing that nitrogen in no-till production systems. Traditionally, the placement of urea-based fertilizers in-furrow with wheat seed has not been recommended. The objectives of this project were to evaluate stand reduction and associated... L. Haag, A. Schlegel, D. Ruiz diaz

Download paper

3. 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

4. Soil Analysis Methods Accuracy and Precision Comparison: Historical North American Proficiency Testing (NAPT) Program Results

The SSSA-NAPT Program provides open access to soil, water, and plant laboratory data. This data is collected quarterly from about 150 participating laboratories. For soil data, five samples are sent to participant laboratories for them to submit data for any or all of the 99 accepted methods. Our objective was to evaluate data precision from 43 soil samples (2019-2021). A measure of precision was made by dividing the Median Absolute Deviation (MAD) by the Median for each of the 43 samples... B.G. Hopkins, G.E. Cardon, J.R. Lawley

Download paper