Proceedings :: Great Plains Soil Fertility

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Derrick, J

Jackson, G

Jin, V

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Schmer, M

Jin, V

Wienhold, B

Varvel, G

Derrick, J

Arnall, B

Smith, M

Bigatao Souza, J

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Type

Oral

Poster

Year

2020

2024

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Filter results2 paper(s) found.
1. Long-term Crop Rotation Diversity Effects on Soil C and N The objective of this study was to evaluate the effects of nitrogen (N) fertilizer level and crop rotation diversity on soil organic carbon (SOC) and N stocks from a 34-yr study located in eastern Nebraska. Seven crop rotations (three continuous cropping systems; two 2-yr crop rotations, and two 4-yr crop rotations) and three N levels were compared. Soil samples were taken to a depth of 60-inches. Differences in SOC stocks were largely confined to the 0 to 3-inch depth with greater SOC (P =... M. Schmer, V. Jin, B. Wienhold, G. Varvel Download paper
2. Evaluation of N Source in No-till Winter Wheat Nitrogen (N) source efficacy is dependent upon product used, application timing, and the condition of the environment in which it is placed. This study serves to look at how different N sources can be affected across different regions of Oklahoma, specifically in a heavy residue, no-till environment. N sources that were included in the study were Urea, Urea-Ammonium Nitrate (UAN), UAN + Anvol, and SuperU. The N sources were evaluated across nine site-years (SY) where each product had four... J. Derrick, B. Arnall, M. Smith, J. bigatao souza Download paper

Filter results2 paper(s) found.

1. Long-term Crop Rotation Diversity Effects on Soil C and N

The objective of this study was to evaluate the effects of nitrogen (N) fertilizer level and crop rotation diversity on soil organic carbon (SOC) and N stocks from a 34-yr study located in eastern Nebraska. Seven crop rotations (three continuous cropping systems; two 2-yr crop rotations, and two 4-yr crop rotations) and three N levels were compared. Soil samples were taken to a depth of 60-inches. Differences in SOC stocks were largely confined to the 0 to 3-inch depth with greater SOC (P =... M. Schmer, V. Jin, B. Wienhold, G. Varvel

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2. Evaluation of N Source in No-till Winter Wheat

Nitrogen (N) source efficacy is dependent upon product used, application timing, and the condition of the environment in which it is placed. This study serves to look at how different N sources can be affected across different regions of Oklahoma, specifically in a heavy residue, no-till environment. N sources that were included in the study were Urea, Urea-Ammonium Nitrate (UAN), UAN + Anvol, and SuperU. The N sources were evaluated across nine site-years (SY) where each product had four... J. Derrick, B. Arnall, M. Smith, J. bigatao souza

Download paper