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Malapati, A
Moore, J
Miller, R
Marcillac, N
Maeda, M
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Authors
Miller, R
Bumguardner, A
Lewis, K
Ritchie, G
Bronson, K
Maeda, M
Roper, W
Acosta-Martinez, V
Moore, J
Mikha, M
Manter, D.K
Stewart, C.E
Lehman, R.M
Liebig, M.A
Jin, V.L
Topics
Soil Fertility
General Posters
General
Type
Oral
Poster
Year
2020
2022
2024
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Authors

Filter results3 paper(s) found.

1. Assessment of Soil Testing As It Relates to Corn Ear Leaf Nutrition in the Midwest

Soil testing for P, K and Zn for corn production the Midwest is based on the probability of crop yield response to an applied fertilizer and not on crop nutritional status. Results of three years of observational data from 98 field sites show soil test M3-K only predicted 26% of the variability in ear leaf K at growth stage R1-R2, whereas K base fraction (KBF) predicted 44% of the ear leaf variability and 56% of the variability in the ear leaf K:Mg ratio. Soil M3-P was inconsistent in predicting... R. Miller

2. Relationship Between Plant Nitrogen and NDVI of Cotton on the Texas High Plains

Nitrogen (N) is one of the most limiting factors in Texas High Plains cotton production (Bronson et al., 2001). Nitrogen build-up in cotton is near maximum for the season at first open boll, when leaf senescence begins (Li et al., 2001). Lint yield response to N is difficult to predict due to N response relying on water management and initial soil nitrate (NO3--N) (Morrow and Krieg, 1990). Normalized difference vegetative index (NDVI) is a tool that has been used to manage... A. Bumguardner, K. Lewis, G. Ritchie, K. Bronson, M. Maeda

3. Soil Microbes Are Critical to Maintaining Soil Fertility in the Great Plains

Soil in the Great Plains is known to be susceptible to wind and water erosion due to moisture deficits throughout the region that limit soil organic matter (SOM) accumulation that helps form stable soil structure. Conservation management practices like reduced tillage are emphasized to maintain SOM that provides habitat for soil microbes to perform ecosystem services related to nutrient cycling and soil aggregation to increase resistance to erosion and maintain fertile topsoil. Soils under long-term... W. Roper, V. Acosta-martinez, J. Moore, M. Mikha, D.K. Manter, C.E. Stewart, R.M. Lehman, M.A. Liebig, V.L. Jin