Proceedings :: Great Plains Soil Fertility

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Schmidt, J

D'Agati, K

Karamanos, R

Roozeboom, K.L

Cardon, G.E

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Authors

Jones, C

Miller, P

Zabinski, C

D'Agati, K

Simon, L.M

Obour, A.K

Holman, J.D

Schipanski, M.E

Johnson, S.K

Roozeboom, K.L

Hopkins, B.G

Cardon, G.E

Lawley, J.R

Topics

Cover Crops and Nutrients

Conservation Impacts on Soil Health

Nutrient Management and Analysis

Type

Oral

Year

2020

2022

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Filter results3 paper(s) found.
1. Soil Quality and Nitrogen Availability After Eight Years of a Mixed Cover Crop - Wheat Rotation Despite a large interest in cover crops in the northern Great Plains, little is known about their effect on both the following wheat crop and soil quality. In 2012, a cover crop study was started in Montana to compare wheat production and soil quality after growing cover crop mixes containing 2-, 6-, or 8-species, with both summer fallow and a sole pea cover crop control, in a 2-yr rotation with wheat. The 2-species mixes represented functional groups (legumes, brassicas, tap rooted, or fibrous... C. Jones, P. Miller, C. Zabinski, K. D'agati Download paper
2. Post-Wheat Summer Cover Crop Effects Crop Yields and Soil Properties in a No-till Dryland Cropping System Traditional dryland cropping systems in the semi-arid Great Plains include long fallow periods of up to 14 months to conserve soil moisture. However, such systems are inefficient even under continuous no-till (NT) management. As less water is necessary to produce forage compared to grain, cover crops (CCs) may be successfully integrated into dryland crop rotations for increased soil cover and potentially greater income when hayed or grazed as annual forages. One study was initiated in 2016 near... L.M. Simon, A.K. Obour, J.D. Holman, M.E. Schipanski, S.K. Johnson, K.L. Roozeboom Download paper
3. 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 results3 paper(s) found.

1. Soil Quality and Nitrogen Availability After Eight Years of a Mixed Cover Crop - Wheat Rotation

Despite a large interest in cover crops in the northern Great Plains, little is known about their effect on both the following wheat crop and soil quality. In 2012, a cover crop study was started in Montana to compare wheat production and soil quality after growing cover crop mixes containing 2-, 6-, or 8-species, with both summer fallow and a sole pea cover crop control, in a 2-yr rotation with wheat. The 2-species mixes represented functional groups (legumes, brassicas, tap rooted, or fibrous... C. Jones, P. Miller, C. Zabinski, K. D'agati

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2. Post-Wheat Summer Cover Crop Effects Crop Yields and Soil Properties in a No-till Dryland Cropping System

Traditional dryland cropping systems in the semi-arid Great Plains include long fallow periods of up to 14 months to conserve soil moisture. However, such systems are inefficient even under continuous no-till (NT) management. As less water is necessary to produce forage compared to grain, cover crops (CCs) may be successfully integrated into dryland crop rotations for increased soil cover and potentially greater income when hayed or grazed as annual forages. One study was initiated in 2016 near... L.M. Simon, A.K. Obour, J.D. Holman, M.E. Schipanski, S.K. Johnson, K.L. Roozeboom

Download paper

3. 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