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You searched for: Author latoya Remove constraint Author: latoya Subject Illinois Remove constraint Subject: Illinois
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1. Implementation of the effect of urease inhibitor on ammonia emissions following urea-based fertilizer application at a Zea mays field in central Illinois: A study with SURFATM-NH3 model

Author:
Myles, LaToya,   et al.   ; Lichiheb, Nebila; Personne, Erwan; Heuer, Mark; Buban, Michael; Nelson, Andrew J.; Koloutsou-Vakakis, Sotiria; Rood, Mark J.; Joo, Eva; Miller, Jesse; Bernacchi, Carl;     Show all 11 Authors
Source:
Agricultural and forest meteorology 2019 v.269-270 pp. 78-87
ISSN:
0168-1923
Subject:
Zea mays; ammonia; dynamic models; emissions; environmental factors; fertilizer application; particulates; soil temperature; urea fertilizers; urease inhibitors; volatilization; Illinois
Abstract:
... Agriculture is the main source of ammonia (NH3) emissions in the atmosphere. NH3 is precursor to secondary fine particulate matter, which is of concern for its impacts on health and visibility. There are a limited number of field measurements of NH3 emissions from fertilizer application in the US, and this limits our understanding of the importance of individual NH3 source and sink processes in co ...
DOI:
10.1016/j.agrformet.2019.02.005

2. Ammonia flux measurements above a corn canopy using relaxed eddy accumulation and a flux gradient system

Author:
Myles, LaToya,   et al.   ; Nelson, Andrew J.; Lichiheb, Nebila; Koloutsou-Vakakis, Sotiria; Rood, Mark J.; Heuer, Mark; Joo, Eva; Miller, Jesse; Bernacchi, Carl;     Show all 9 Authors
Source:
Agricultural and forest meteorology 2019 v.264 pp. 104-113
ISSN:
0168-1923
Subject:
agroecosystems; air quality; ammonia; canopy; corn; emissions; models; nitrogen cycle; soil temperature; urease inhibitors; Illinois
Abstract:
... Studies of NH3 flux over agricultural ecosystems in the USA are limited by low temporal resolution (typically hours or days) and sparse spatial coverage, with no studies over corn in the Midwest USA. We report on NH3 flux measurements over a corn canopy in Central Illinois, USA, using the relaxed eddy accumulation (REA) and flux gradient (FG) methods, providing measurements at 4 h and 0.5 h interv ...
DOI:
10.1016/j.agrformet.2018.10.003

3. Evaluation of DeNitrification DeComposition model for estimating ammonia fluxes from chemical fertilizer application

Author:
Myles, LaToya,   et al.   ; Balasubramanian, Srinidhi; Nelson, Andrew; Koloutsou-Vakakis, Sotiria; Lin, Jie; Rood, Mark J.; Bernacchi, Carl;     Show all 7 Authors
Source:
Agricultural and forest meteorology 2017 v.237-238 pp. 123-134
ISSN:
0168-1923
Subject:
air temperature; ammonia; application timing; atmospheric precipitation; corn; denitrification; farms; fertilizer rates; field capacity; gas emissions; growing season; inventories; mineral fertilizers; models; pH; prediction; soil organic carbon; uncertainty; Illinois
Abstract:
... DeNitrification DeComposition (DNDC) model predictions of NH3 fluxes following chemical fertilizer application were evaluated by comparison to relaxed eddy accumulation (REA) measurements, in Central Illinois, United States, over the 2014 growing season of corn. Practical issues for evaluating closure were addressed by accounting for fluxes outside the measurement site and differences in temporal ...
DOI:
10.1016/j.agrformet.2017.02.006

4. Season-long ammonia flux measurements above fertilized corn in central Illinois, USA, using relaxed eddy accumulation

Author:
Myles, LaToya,   et al.   ; Nelson, Andrew J.; Koloutsou-Vakakis, Sotiria; Rood, Mark J.; Lehmann, Christopher; Bernacchi, Carl; Balasubramanian, Srinidhi; Joo, Eva; Heuer, Mark; Vieira-Filho, Marcelo; Lin, Jie;     Show all 11 Authors
Source:
Agricultural and forest meteorology 2017 v.239 pp. 202-212
ISSN:
0168-1923
Subject:
agroecosystems; air quality; ammonia; canopy; corn; emissions; fertilizer application; growing season; mineral fertilizers; models; nitrogen content; nitrogen cycle; soybeans; volatilization; winter; Illinois
Abstract:
... The objective of this research is to quantify NH3 flux above an intensively managed cornfield in the Midwestern United States to improve understanding of NH3 emissions and evaluations of new and existing emission models. A relaxed eddy accumulation (REA) system was deployed above a corn canopy in central Illinois, USA (40°3′46.209″N, 88° 11′46.0212″W) from May through September 2014 (day of year 1 ...
DOI:
10.1016/j.agrformet.2017.03.010