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Ammonia (NH 3) emission from nitrogen (N) fertilizers used in agriculture decreases N uptake by the crop and negatively impacts air quality. In order to better understand the factors influencing NH 3 emission from agriculture, this research was conducted with four major soils used for potato production: Biscayne Marl Soil (BMS, pH 7.27), and Krome Gravelly(More)
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(USEPA, 1990) found widespread nitrate-nitrogen contamination of drinking water wells, with approximately 52% of the urban drinking water wells and 57% of the rural drinking water wells containing nitrate-nitrogen concentrations above background levels. Approximately 1.2% and 2.4% of urban and rural drinking wells, respectively, were found to contain(More)
This article may be used for research, teaching, and private study purposes. Any substantial or systematic reproduction, redistribution, reselling, loan, sub-licensing, systematic supply, or distribution in any form to anyone is expressly forbidden. The publisher does not give any warranty express or implied or make any representation that the contents will(More)
Ammonia (NH 3) emissions from fertilized soils are a costly problem that is undermining agricultural and ecological sustainability worldwide. Ammonia emissions from crop production have been reliably documented in recent years. However, insufficient efforts have been made to determine the factors most influential in facilitating NH 3 emissions. The goal of(More)
Estimation of N uptake efficiency of fertilizer applications at different growth stages of crop plants is critical to develop management recommendations that enhance fertilizer use by minimizing N losses. In this study, the N-fertilizer uptake efficiency (FNUE) of two chipping potato (Solanum tuberosum L.) varieties (‘Atlantic’ and ‘FL1867’) under three(More)
Many irrigation scheduling methods utilized in commercial production settings rely on soil water sensors that are normally purchased as off-the-shelf technology or through contracted services that install and monitor readings throughout the season. These systems often assume a direct relationship between the parameters measured by these soil water sensors(More)
Soil and water conservation is a major challenge for the development of sustainable agriculture. Leaching and runoff of soil nutrients and fine particles negatively impact soil fertility, soil quality, and contribute to surface water eutrophication and sediment accumulation. Such issues are especially critical in a tropical or subtropical region, such as in(More)
This article may be used for research, teaching, and private study purposes. Any substantial or systematic reproduction, redistribution, reselling, loan, sub-licensing, systematic supply, or distribution in any form to anyone is expressly forbidden. The publisher does not give any warranty express or implied or make any representation that the contents will(More)