Search Results - "G. Vellidis"

Drivers of enhanced evaporative demand in U.S. croplands: Determining relative contribution using constrained input scenarios by Kukal, M. S., Kukal, S., Irmak, S., Vellidis, G.

“…Altered evaporative demand is a global phenomenon observed over recent decades, however, such change has not been attributed explicitly to specific…”
Get full text

Impact of storm runoff on Salmonella and Escherichia coli prevalence in irrigation ponds of fresh produce farms in southern Georgia by Harris, C.S., Tertuliano, M., Rajeev, S., Vellidis, G., Levy, K.

“…Aims To examine Salmonella and Escherichia coli in storm runoff and irrigation ponds used by fresh produce growers, and compare Salmonella serovars with those…”
Get full text

A real-time wireless smart sensor array for scheduling irrigation by Vellidis, G., Tucker, M., Perry, C., Kvien, C., Bednarz, C.

“…A prototype real-time, smart sensor array for measuring soil moisture and soil temperature that uses off-the-shelf components was developed and evaluated for…”
Get full text

Development and assessment of a smartphone application for irrigation scheduling in cotton by Vellidis, G., Liakos, V., Andreis, J.H., Perry, C.D., Porter, W.M., Barnes, E.M., Morgan, K.T., Fraisse, C., Migliaccio, K.W.

“…•Easy-to-use and engaging smartphone application.•Interactive ET-based soil water balance model.•Uses meteorological data from weather station…”
Get full text

Correlation of UAV and satellite-derived vegetation indices with cotton physiological parameters and their use as a tool for scheduling variable rate irrigation in cotton by Lacerda, L. N., Snider, J., Cohen, Y., Liakos, V., Levi, M. R., Vellidis, G.

“…Current irrigation management zones (IMZs) for variable rate irrigation (VRI) systems are static. They are delineated in the beginning of the season and used…”
Get full text

Performance evaluation of urban turf irrigation smartphone app by Migliaccio, K.W., Morgan, K.T., Fraisse, C., Vellidis, G., Andreis, J.H.

“…Data and technology are available to support a real-time irrigation smartphone app for turf that would result in more efficient irrigation scheduling which is…”
Get full text

Geostatistical modeling of the spatial variability and risk areas of southern root-knot nematodes in relation to soil properties by Ortiz, B.V., Perry, C., Goovaerts, P., Vellidis, G., Sullivan, D.

“…Identifying the spatial variability and risk areas for southern root-knot nematode [ Meloidogyne incognita (Kofoid & White) Chitwood] (RKN) is key for…”
Get full text

Utilizing management zones for Rotylenchulus reniformis in cotton: Effects on nematode levels, crop damage, and Pasteuria sp by Davis, R.F., Aryal, S.K., Perry, C.D., Sullivan, D.G., Timper, P., Ortiz, B.V., Stevenson, K.L., Vellidis, G., Hawkins, G.

“…Nematode management zones (MZs) based on soil electrical conductivity (EC, a proxy for soil texture) have not been published for Rotylenchulus reniformis. We…”
Get full text

Nutrient Transport in a Restored Riparian Wetland by Vellidis, G., Lowrance, R., Gay, P., Hubbard, R. K.

“…ABSTRACT We determined the water quality effect of a restored forested riparian wetland adjacent to a manure application area and a heavily fertilized pasture…”
Get full text

Interannual drought length governs dissolved organic carbon dynamics in blackwater rivers of the western upper Suwannee River basin by Mehring, A. S., Lowrance, R. R., Helton, A. M., Pringle, C. M., Thompson, A., Bosch, D. D., Vellidis, G.

“…The Little River (LR) in southern Georgia, U.S., has experienced lengthening droughts since monitoring began in 1972. We evaluated the impacts of drought on…”
Get full text

Delineation of Management Zones for Southern Root-Knot Nematode using Fuzzy Clustering of Terrain and Edaphic Field Characteristics by Ortiz, B.V, Sullivan, D.G, Perry, C, Vellidis, G

“…Management zones (MZs) for southern root-knot nematode (RKN) from the integration of terrain (TR) and edaphic (ED) field features might facilitate variable…”
Get full text

Smartirrigation Apps: Urban Turf by Kati W. Migliaccio, J. H. Debastiani Andreis, Clyde Fraisse, Kelly T. Morgan, G. Vellidis

“…We developed an app called Smartirrigation Turf to provide an easy-to-use mobile tool that delivers information to improve irrigation scheduling for urban…”
Get full text

Managing manure nutrients through multi-crop forage production by Newton, G L, Bernard, J K, Hubbard, R K, Allison, J R, Lowrance, R R, Gascho, G J, Gates, R N, Vellidis, G

“…Concentrated sources of dairy manure represent significant water pollution potential. The southern United States may be more vulnerable to water quality…”
Get more information

Predicting Cotton Lint Yield Maps from Aerial Photographs by Vellidis, G., Tucker, M. A., Perry, C. D., Thomas, D. L., Wells, N., Kvien, C. K.

“…It is generally accepted that aerial images of growing crops provide spatial and temporal information about crop growth conditions and may even be indicative…”
Get full text

Development and evaluation of a SmartIrrigation Peach App in a young peach orchard by Magar, S.T., Vellidis, G., Porter, W., Liakos, V., Andreis, J.H., Chavez, D.

Get full text

Optimizing cotton irrigation and nitrogen management using a soil water balance model and in-season nitrogen applications by Zurweller, B.A., Rowland, D.L., Mulvaney, M.J., Tillman, B.L., Migliaccio, K., Wright, D., Erickson, J., Payton, P., Vellidis, G.

“…•Irrigation application amounts were evaluated using soil water depletion estimates.•In-season nitrogen rates were split at first square and bloom.•Optimal…”
Get full text

A Load Cell Based Yield Monitor for Peanut Feasibility Study by Durrence, J S, Hamrita, T K, Vellidis, G

“…A prototype peanut yield monitoring system based on load cell transducers was evaluated for use in precision farming applications. Noise characteristics under…”
Get full text

Noise reduction in a load cell based peanut yield monitor using digital signal processing techniques by Hamrita, T.K., Durrence, J.S., Vellidis, G., Perry, C.D., Thomas, D.L., Kvien, C.K.

“…Precision farming describes the process of measuring and mapping land crop characteristics and then using these measurements to develop precise and intelligent…”
Get full text

Factors Affecting Sediment Oxygen Demand Dynamics in Blackwater Streams of Georgia's Coastal Plain by Utley, B.C, Vellidis, G, Lowrance, R, Smith, M.C

“…Sediment oxygen demand (SOD) is believed to be an important process affecting dissolved oxygen (DO) concentrations in blackwater streams of the southeastern…”
Get full text

Do Nutrients Limit Algal Periphyton in Small Blackwater Coastal Plain Streams by Carey, R.O, Vellidis, G, Lowrance, R, Pringle, C.M

“…We examine the potential for nutrient limitation of algal periphyton biomass in blackwater streams draining the Georgia coastal plain. Previous studies have…”
Get full text