selected publications academicarticle Al-Mashhadani, H., Capareda, S. C., Lacey, R. E., & Fernando, S. D. (2020). Catalytic valorization of glycerol for producing biodiesel-compatible biofuel blends. Biofuels. 11(5), 621-635. King, M. D., Lacey, R. E., Pak, H., Fearing, A., Ramos, G., Baig, T., Smith, B., & Koustova, A. (2020). Assays and enumeration of bioaerosols-traditional approaches to modern practices. 54(5), 611-633. Li, H., Wanjura, J. D., Faulkner, W. B., & Lacey, R. E. (2019). EVALUATION OF FILTER MEDIA OPTIONS FOR HIGH VOLUME PM2.5 SAMPLING. Applied Engineering in Agriculture. 35(2), 205-209. Beck, S. H., Castillo, A., Kinney, K. A., Zuniga, A., Mohammad, Z., Lacey, R. E., & King, M. D. (2019). MONITORING OF PATHOGENIC BIOAEROSOLS IN BEEF SLAUGHTER FACILITIES BASED ON AIR SAMPLING AND AIRFLOW MODELING. Applied Engineering in Agriculture. 35(6), 1015-1036. Marrone, B. L., Lacey, R. E., Anderson, D. B., Bonner, J., Coons, J., Dale, T., ... Olivares, J. A. (2018). Review of the harvesting and extraction program within the National Alliance for Advanced Biofuels and Bioproducts. Algal Research. 33, 470-485. Anderson, J., Gitter, A., Lacey, R., & Karthikeyan, R. (2018). Transport, fate, and toxicity of selected public health insecticides in waterways. Toxicological and Environmental Chemistry. 100(1), 32-46. Li, H., Faulkner, W. B., Haglund, J. S., & Lacey, R. E. (2017). Effect of convergence angle on impactor performance. Aerosol Science and Technology. 51(8), 981-987. Hazelrigs, L., Faulkner, W. B., Lacey, R. E., Robinson, J., & Parnell, C. (2017). Improving Cotton Warehousing Efficiencies through Novel Bale Marketing Strategies: Aisle-Stacking and Block-Stacking. Journal of Cotton Science. 21(2), 167-174. Lacey, R. E., & Faulkner, W. B. (2015). Uncertainty associated with the gravimetric measurement of particulate matter concentration in ambient air. Journal of the Air and Waste Management Association. 65(7), 887-894. Richardson, J. W., Johnson, M. D., Lacey, R., Oyler, J., & Capareda, S. (2014). Harvesting and extraction technology contributions to algae biofuels economic viability. Algal Research. 5(1), 70-78. Nawaratna, G., Lacey, R., & Fernando, S. D. (2012). Effect of hydrocarbon tail-groups of transition metal alkoxide based amphiphilic catalysts on transesterification. Catalysis Science and Technology. 2(2), 364-372. Samarasinghe, N., Fernando, S., Lacey, R., & Faulkner, W. B. (2012). Algal cell rupture using high pressure homogenization as a prelude to oil extraction. Renewable Energy. 48, 300-308. Zhang, H., Lan, Y., Suh, C. P., Westbrook, J. K., Lacey, R., & Hoffmann, W. C (2012). DIFFERENTIATION OF COTTON FROM OTHER CROPS AT DIFFERENT GROWTH STAGES USING SPECTRAL PROPERTIES AND DISCRIMINANT ANALYSIS. Transactions of the ASABE. 55(4), 1623-1630. Huang, Y., Lan, Y., Thomson, S. J., Fang, A., Hoffmann, W. C., & Lacey, R. E. (2010). Development of soft computing and applications in agricultural and biological engineering. Computers and Electronics in Agriculture. 71(2), 107-127. Zhang, H., Lan, Y., Lacey, R., Hoffmann, W. C., Martin, D. E., Fritz, B., & Lopez, J. J. (2010). Ground-based spectral reflectance measurements for evaluating the efficacy of aerially- applied glyphosate treatments. Biosystems Engineering. 107(1), 10-15. Nawaratna, G., Adhikari, S., Lacey, R. E., & Fernando, S. D. (2010). Reforming glycerol under electro-statically charged surface conditions. Energy and Environmental Sciences. 3(10), 1593-1599. Zheng, X., Lan, Y., Zhu, J., Westbrook, J., Hoffmann, W. C., & Lacey, R. E. (2009). Rapid Identification of Rice Samples Using an Electronic Nose. Journal of Bionic Engineering. 6(3), 290-297. Lange, J. M., Lacey, R. E., Parnell, C., & James, W. D. (2009). Crustal fraction of cattle feedlot particulate matter emissions using neutron activation analysis: method development. Journal of Radioanalytical and Nuclear Chemistry: an�International Journal dealing with all Aspects�and Applications of Nuclear Chemistry. 281(2), 253-257. He, C., Davies, F., & Lacey, R. E. (2009). Hypobaria, hypoxia, and light affect gas exchange and the CO2 compensation and saturation points of lettuce (Lactuca sativa). Botany. 87(7), 712-721. Mukhtar, S., Mutlu, A., Lacey, R. E., & Parnell, C. B. (2009). Seasonal ammonia emissions from a free-stall dairy in central Texas. Journal of the Air and Waste Management Association. 59(5), 613-618. He, C., Davies, F. T., & Lacey, R. E (2009). Ethylene reduces gas exchange and growth of lettuce plants under hypobaric and normal atmospheric conditions. PHYSIOLOGIA PLANTARUM. 135(3), 258-271. Wanjura, J. D., Faulkner, W. B., Parnell, C., Shaw, B. W., Capareda, S. C., & Lacey, R. E. (2009). SOURCE SAMPLING OF PARTICULATE MATTER EMISSIONS FROM COTTON HARVESTING: SYSTEM FIELD TESTING AND EMISSION FACTOR DEVELOPMENT. Transactions of the ASABE. 52(2), 591-597. Wanjura, J. D., Parnell, C., Shaw, B. W., Capareda, S. C., & Lacey, R. E. (2009). SOURCE SAMPLING OF PARTICULATE MATTER EMISSIONS FROM COTTON HARVESTING - SYSTEM DESIGN AND EVALUATION. Applied Engineering in Agriculture. 25(1), 85-96. Zhang, H., Lan, Y., Lacey, R. E., Huang, Y., Clint Hoffmann, W. C., Martin, D., & Bora, G. C. (2009). Analysis of variograms with various sample sizes from a multispectral image. International Journal of Agricultural and Biological Engineering. 2(4), 62-69. Zhang, H., Lan, Y., Lacey, R. E., Hoffmann, W. C., & Huang, Y. (2009). Analysis of vegetation indices derived from aerial multispectral and ground hyperspectral data. International Journal of Agricultural and Biological Engineering. 2(3), 33-40. Mukhtar, S., Mutlu, A., Lacey, R. E., & Parnell, C. B. (2009). Seasonal Ammonia Emissions from a Free-Stall Dairy in Central Texas. Journal of the Air and Waste Management Association. 59(5), 613-618. Buser, M. D., Wanjura, J. D., Whitelock, D. P., Capareda, S. C., Shaw, B. W., & Lacey, R. E. (2008). Estimating FRM PM10 sampler performance characteristics using particle size analysis and collocated TSP and PM10 samplers: Cotton gins. Transactions of the ASABE. 51(2), 695-702. Lan, Y., Zheng, X., Westbrook, J. K., Lopez, J., Lacey, R., & Hoffmann, W. C. (2008). Identification of Stink Bugs Using an Electronic Nose. Journal of Bionic Engineering. 5(S1), 172-180. He, C., Davies, F. T., & Lacey, R. E (2007). Separating the effects of hypobaria and hypoxia on lettuce: growth and gas exchange. PHYSIOLOGIA PLANTARUM. 131(2), 226-240. Faulkner, W. B., Shaw, B. W., & Lacey, R. E. (2007). Coarse fraction aerosol particles: Theoretical analysis of rural versus urban environments. Applied Engineering in Agriculture. 23(2), 239-244. Huang, Y., Lan, Y., Hoffmann, W. C., & Lacey, R. E. (2007). Multisensor data fusion for high quality data analysis and processing in measurement and instrumentation. Journal of Bionic Engineering. 4(1), 53-62. Faulkner, W. B., Powell, J. J., Lange, J. M., Shaw, B. W., Lacey, R. E., & Parnell, C. B. (2007). Comparison of dispersion models for ammonia emissions from a ground-level area source. Transactions of the ASABE. 50(6), 2189-2197. Buser, A. D., Parnell, C., Shaw, B. W., & Lacey, E. (2007). Particulate matter sampler errors due to the interaction of particle size and sampler performance characteristics: Ambient PM10 samplers. Transactions of the ASABE. 50(1), 229-240. Buser, M. D., Parnell, C., Shaw, B. W., & Lacey, R. E. (2007). Particulate matter sampler errors due to the interaction of particle size and sampler performance characteristics: Ambient PM2.5 samplers. Transactions of the ASABE. 50(1), 241-254. Buser, M. D., Parnell, C., Shaw, B. W., & Lacey, R. E. (2007). Particulate matter sampler errors due to the interaction of particle size and sampler performance characteristics: Background and theory. Transactions of the ASABE. 50(1), 221-228. Peschel, J. M., Haan, P. K., & Lacey, R. E. (2006). Influences of soil dataset resolution on hydrologic modeling. JOURNAL OF THE AMERICAN WATER RESOURCES ASSOCIATION. 42(5), 1371-1389. Wang, L., Parker, D. B., Parnell, C. B., Lacey, R. E., & Shaw, B. W. (2006). Comparison of CALPUFF and ISCST3 models for predicting downwind odor and source emission rates. ATMOSPHERIC ENVIRONMENT. 40(25), 4663-4669. Wang, L. J., Parnell, C. B., Shaw, B. W., Lacey, R. E., Buser, A. D., Goodrich, L. B., & Capareda, S. C. (2005). Correcting PM10 over-sampling problems for agricultural particulate matter emissions: Preliminary study. Transactions of the ASABE. 48(2), 749-755. Wanjura, J. D., Buser, M. D., Parnell, C. B., Shaw, B. W., & Lacey, R. E. (2005). A simulated approach to estimating PM10 and PM2.5 concentrations downwind from cotton gins. Transactions of the ASABE. 48(5), 1919-1925. Wanjura, J. D., Parnell, C. B., Shaw, B. W., & Lacey, R. E. (2005). Design and evaluation of a low-volume total suspended particulate sampler. Transactions of the ASABE. 48(4), 1547-1552. Capareda, S. C., Boriack, C. N., Mukhtar, S., Mutlu, A., Shaw, B. W., Lacey, R. E., & Parnell, C. B. (2005). The recovery of ammonia and hydrogen sulfide from ground-level area sources using dynamic isolation flux chambers: bench-scale studies. Journal of the Air and Waste Management Association. 55(7), 999-1006. Afinowicz, J. D., Munster, C. L., Wilcox, B. P., & Lacey, R. E. (2005). A process for assessing wooded plant cover by remote sensing. Rangeland Ecology and Management. 58(2), 184-190. Lacey, R. E., Mukhtar, S., Carey, J. B., & Ullman, J. L. (2004). A review of literature concerning odors, ammonia, and dust from broiler production facilities: 1. Odor concentrations and emissions. Journal of Applied Poultry Research. 13(3), 500-508. Carey, J. B., Lacey, R. E., & Mukhtar, S. (2004). A review of literature concerning odors, ammonia, and dust from broiler production facilities: 2. Flock and house management factors. Journal of Applied Poultry Research. 13(3), 509-513. Mukhtar, S., Ullman, J. L., Carey, J. B., & Lacey, R. E. (2004). A review of literature concerning odors, ammonia, and dust from broiler production facilities: 3. Land application, processing, and storage of broiler litter. Journal of Applied Poultry Research. 13(3), 514-520. Ullman, J. L., Mukhtar, S., Lacey, R. E., & Carey, J. B. (2004). A review of literature concerning odors, ammonia, and dust from broiler production facilities: 4. Remedial management practices. Journal of Applied Poultry Research. 13(3), 521-531. Chavez, C., Coufal, C. D., Niemeyer, P. L., Carey, J. B., Lacey, R. E., Miller, R. K., & Beier, R. C. (2004). Impact of dietary supplemental methionine sources on sensory measurement of odor-related compounds in broiler excreta. 83(10), 1655-1662. Chavez, C., Coufal, C. D., Lacey, R. E., & Carey, J. B. (2004). The impact of methionine source on poultry fecal matter odor volatiles. 83(3), 359-364. Chavez, C., Coufal, C. D., Carey, J. B., Lacey, R. E., Beier, R. C., & Zahn, J. A. (2004). The impact of supplemental dietary methionine sources on volatile compound concentrations in broiler excreta. 83(6), 901-910. He, C., Davies, F. T., Lacey, R. E., Drew, M. C., & Brown, D. L. (2003). Effect of hypobaric conditions on ethylene evolution and growth of lettuce and wheat. Journal of Plant Physiology. 160(11), 1341-1350. Redwine, J. S., Lacey, R. E., Mukhtar, S., & Carey, J. B. (2002). Concentration and emissions of ammonia and particulate matter in tunnel-ventilated broiler houses under summer conditions in Texas. Transactions of the ASABE. 45(4), 1101-1109. Osborn, G. S., Lacey, R. E., & Singleton, J. A (2001). A method to detect peanut off-flavors using an electronic nose. Transactions of the ASABE. 44(4), 929-938. Osborn, G. S., Lacey, R. E., & Singleton, J. A (2001). Non-destructive detection of peanut off-flavors using an electronic nose. Transactions of the ASABE. 44(4), 939-944. Sterling, M. C., Lacey, R. E., Engler, C. R., & Ricke, S. C. (2001). Effects of ammonia nitrogen of H2 and CH4 production during anaerobic digestion of dairy cattle manure. Bioresource Technology. 77(1), 9-18. Wang, D., Dowell, F. E., & Lacey, R. E (1999). Single wheat kernel color classification using neural networks. Transactions of the ASABE. 42(1), 233-240. Wang, D., Dowell, F. E., & Lacey, R. E. (1999). Predicting the Number of Dominant R Alleles in Single Wheat Kernels Using Visible and Near-Infrared Reflectance Spectra. CEREAL CHEMISTRY. 76(1), 6-8. Wang, D., Dowell, F. E., & Lacey, R. E. (1999). Single Wheat Kernel Size Effects on Near-Infrared Reflectance Spectra and Color Classification. CEREAL CHEMISTRY. 76(1), 34-37. Wang, D., Dowell, F. E., & Lacey, R. E. (1999). Single wheat kernel color classification by using near-infrared reflectance spectra. CEREAL CHEMISTRY. 76(1), 30-33. Huang, Y., Whittaker, A. D., & Lacey, R. E (1998). Internal model control for a continuous, snack food frying process using neural networks. Transactions of the ASABE. 41(5), 1519-1525. Huang, Y., Whittaker, A. D., & Lacey, R. E (1998). Neural network prediction modeling for a continuous, snack food frying process. Transactions of the ASABE. 41(5), 1511-1517. Huang, Y., Lacey, R. E., & Whittaker, A. D (1998). Neural network prediction modeling based on elastographic textural features for meat quality evaluation. Transactions of the ASABE. 41(4), 1173-1179. Huang, Y., Lacey, R. E., Moore, L. L., Miller, R. K., Whittaker, A. D., & Ophir, J. (1997). Wavelet textural features from ultrasonic elastograms for meat quality prediction. Transactions of the ASABE. 40(6), 1741-1748. Chin, K. B., Keeton, J. T., & Lacey, R. E. (1996). Reduction of drying time for pepperoni by vacuum-drying. JOURNAL OF FOOD SCIENCE. 61(1), 142-&. LACEY, R. E., & PAYNE, F. A (1994). ULTRASONIC VELOCITY IN USED CORN-OIL AS A MEASURE OF OIL QUALITY. Transactions of the ASABE. 37(5), 1583-1589. LACEY, R. E., & PAYNE, F. A. (1991). A MODEL TO ESTIMATE THERMODYNAMIC PROPERTIES OF BIOLOGICAL-MATERIALS DURING FREEZING. Transactions of the ASABE. 34(4), 1836-1842. BARFIELD, B. J., WALTON, L. R., & LACEY, R. E. (1981). PREDICTION OF SPRINKLER RATES FOR NIGHT-TIME RADIATION FROST PROTECTION. Agricultural Meteorology. 24(1), 1-9. Afinowicz, J. D., Munster, C. L., Wilcox, B. P., & Lacey, R. E. A Process for Assessing Wooded Plant Cover by Remote Sensing. Rangeland Ecology and Management. 67(3), 184-190. Kreuter, U. P., Harris, H. G., Matlock, M. D., & Lacey, R. E. Change in ecosystem service values in the San Antonio area, Texas. Ecological Economics. 39(3), 333-346. book Huang, Y., Whittaker, A. D., & Lacey, R. E. (2001). Automation for food engineering: Food quality quantization and process control chapter Sweeten, J. M., Parnell, C. B., Auvermann, B. W., Shaw, B. W., & Lacey, R. E. (2000). Food and Agricultural Industry: Livestock Feedlots. Davis, W. (Eds.), Air pollution engineering manual. Wiley-Interscience. conference paper He, C., Lacey, R. E., & Davies, F. T. (2011). Gas Exchange, Carbon Dynamics and Energy Use Efficiency of Lettuce (Lactuca sativa) under Ethylene and Hypobaric Environments for NASA Advanced Life Support (ALS) Systems. Hortscience. S373-S373. Zhang, H., Lan, Y., Lacey, R., Hoffmann, W. C., & Westbrook, J. K. (2011). SPATIAL ANALYSIS OF NDVI READINGS WITH DIFFERENT SAMPLING DENSITIES. Transactions of the ASABE. 349-354. He, C., Jacobo-Velazquez, D. A., Cisneros-Zevallos, L., Lacey, R. E., & Davies, F. T (2010). Effect of Hypobaria and Hypoxia on Photosynthesis, Dark-period Respiration and Growth of Lettuce Plants (Lactuca sativa) in NASA Advanced Life Support Systems (ALS). Hortscience. S274-S275. Jacobo-Velazquez, D. A., He, C., Cisneros-Zevallos, L., Lacey, R. E., & Davies, F. T (2010). Hypobaria and Hypoxia Enhance Phytochemical Production of Lettuce Plants (Lactuca sativa) in NASA Advanced Life Support Systems (ALS). Hortscience. S250-S251. Zhang, H., Lan, Y., Suh, C., Westbrook, J. K., Lacey, R., & Hoffmann, W. C (2010). Spectral properties of crops at different growth stages. 3052-3065. Huang, Y., Lan, Y., Thomson, S., Fang, A., Hoffmann, C., & Lacey, R. (2009). Technical development and applications of soft computing in agricultural and biological engineering. 1923-1960. Thelen, M. K., Faulkner, W. B., Shaw, B. W., & Lacey, R. E (2009). Evaluation of EPA approved FRM PM10 samplers. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY. 433-433. He, C., Davies, F., & Lacey, R. E (2009). Hypobaria, Hypoxia, and Light Affect Gas Exchange and the CO2 Compensation and Saturation Points of Lettuce (Lactuca sativa). Hortscience. 1171-1171. Lacey, R. E. (2009). Measurement of soluble solids content of intact pear and pear juice using Vis/NIR spectroscopy technique Huihui Zhang, .., Yubin Lan, .., Ronald Lacey, .., W Clint Hoffmann, .., & John K Westbrook. (2009). Spatial Analysis of Hyperspectral Vegetation Index Huihui Zhang, .., Yubin Lan, .., Ronald Lacey, .., W Clint Hoffmann, .., & John K Westbrook. (2009). Spatial Analysis of Hyperspectral Vegetation Index Davies, F. T., He, C., & Lacey, R. E. (2008). Ethylene reduces gas exchange and growth of lettuce plants under hypobaric and normal atmospheric conditions. Hortscience. 1240-1240. Lange, J. M., McGee, R. O., Lacey, R. E., & Parnell, C. B. (2008). Method for determining the crustal fraction of particulate matter emissions from cattle feedlots. 491-517. Wanjura, J. D., Shaw, B. W., Parnell, C., Lacey, R. E., & Capareda, S. C. (2008). Comparison of continuous monitor (TEOM) and gravimetric sampler particulate matter concentrations. Transactions of the ASABE. 251-257. Wanjura, J. D., Faulkner, W. B., Parnell, C. B., Shaw, B. W., Capareda, S. C., & Lacey, R. E. (2008). Cotton harvesting emission factors based on source sampling. 5711-5723. Aquino, F. L., Capareda, S. C., Parnell, C. B., Mukhtar, S., Lacey, R., & Shaw, B. (2007). Comparison of partial Reactive Organic Gases (ROG) emission factors from a dairy and beef feedlot He, C., Davies, F. T., Lacey, R. E., & Rao, S (2007). The influence of ethylene and hypobaria on CO2 assimilation, dark-period respiration, and growth of lettuce (Lactuca sativa L. cv. buttercrunch). Hortscience. 994-994. Smith, C. S., Bray, J. L., Cherry, T. E., Lacey, R. E., & Carey, J. B (2007). Characterization of atmospheric ammonia/ammonium forms in broiler production facilities. Journal of Dairy Science. 226-226. Smith, C. S., Bray, J. L., Cherry, T. E., Lacey, R. E., & Carey, J. B (2007). Characterization of atmospheric ammonia/ammonium forms in broiler production facilities. 226-226. Smith, C. S., Bray, J. L., Cherry, T. E., Lacey, R. E., & Carey, J. B (2007). Characterization of atmospheric ammonia/ammonium forms in broiler production facilities. Journal of Animal Science. 226-226. Rao, S., Finlayson, S., He, C., Lacey, R., Wheeler, R., & Davies, F. T (2006). Effect of hypobaria on the expression of ethylene biosynthesis genes in Arabidopsis thaliana. Hortscience. 1059-1059. He, C., Davies, F. T., Lacey, R. E., & Rao, S (2006). Effect of hypobaria, oxygen, and carbon dioxide on gas exchange, ethylene evolution, and growth of lettuce plants for NASA advanced life support systems. Hortscience. 1059-1059. Wang, L., Parnell, C. B., Shaw, B. W., & Lacey, R. E. (2006). A theoretical approach for predicting number of turns and cyclone pressure drop. Transactions of the ASABE. 491-503. Boriack, C., Lacey, R. E., Mukhtar, S., Mutlu, A., Capareda, S. C., Shaw, B. W., & Parnell, C. B. (2005). Adsorption kinetics of ammonia on a dynamic isolation flux chamber Faulkner, W. B., Shaw, B. W., & Lacey, R. E. (2005). Analysis of sampling protocols for the EPA animal feeding operations consent agreement Wang, L., Parnell, C. B., Parker, D. B., Lacey, R. E., & Shaw, B. W. (2005). Determination of odor emission rates from cattle feedlots using CALPUFF and ISCST3 models Capareda, S., Parnell, C. B., Shaw, B. W., Lacey, R. E., & Mukhtar, S. (2005). New Protocol for the Determination of Reactive Organic Gases in Animal Feeding Operations Wang, L., Parnell, C. B., Buser, M. D., Shaw, B. W., Lacey, R. E., & Capareda, S. C. (2005). Particle size distribution in the downwind plume and its impact on ambient PM 10 monitoring for agricultural emissions Boriack, C., Lacey, R. E., Capareda, S. C., Saqib Mukhtar, P. E., Mutlu, A., Shaw, B. W., & Parnell, C. B. (2005). System responses of ammonia and hydrogen sulfide measurement equipment Wang, L. J., Wanjura, J. D., Parnell, C. B., Lacey, R. E., & Shaw, B. W. (2005). Performance characteristics of a low-volume PM10 sampler. Transactions of the ASABE. 739-748. Boriack, C., Lacey, R. E., Mukhtar, S., Mutlu, A., Capareda, S. C., Shaw, B. W., & Parnell, C. B. (2004). A multiplexer system for measurement of gaseous emissions. 6173-6180. Mutlu, A., Mukhtar, S., Capareda, S. C., Boriack, C. N., Lacey, R. E., Shaw, B. W., & Parnell, C. B. (2004). A process-based approach for ammonia emission measurements at a free-stall dairy. 5357-5367. Shaw, B. W., Lacey, R. E., Capareda, S., Buser, M. D., Parnell, C. B., Wanjura, J., Wang, L., & Faulkner, W. B. (2004). Application of the National Ambient Air quality Standards (NAAQS) in urban versus rural environments. 4587-4597. Capareda, S. C., Boriack, C. N., Mukhtar, S., Mutlu, A., Shaw, B. W., Lacey, R. E., & Parnell, C. B. (2004). Recovery of gaseous emission from ground level area sources of ammonia and hydrogen sulfide using dynamic isolation flux chambers. 4551-4562. Boriack, C. N., Capareda, S. C., Lacey, R. E., Mutlu, A., Mukhtar, S., Shaw, B. W., & Parnell, C. B. (2004). Uncertainty in ammonia flux measurement systems. 5369-5381. He, C., Davies, F., Lacey, R., & Ngo, Q. (2004). Hypobaria Affects Gas Exchange, Ethylene Evolution and Growth of Lettuce in NASAAdvanced Life Support Systems (ALS). Hortscience. 794-794. Lingjuan Wang, .., Calvin B. Parnell, .., Jr., .., Bryan W. Shaw, .., & Ronald E Lacey. (2003). Analysis of Cyclone Collection Efficiency Lacey, R. E., Redwine, J. S., & Parnell, C. B. (2003). Particulate matter and ammonia emission factors for tunnel-ventilated broiler production houses in the Southern US. Transactions of the ASABE. 1203-1214. Lacey, R. E. (2003). Teaming freshmen with seniors in design Jacqueline E. Price, .., & Ronald E. Lacey. (2003). Uncertainty Associated with the Gravimetric Sampling of Particulate Matter Buser, M. D., Parnell, C. B., Shaw, B. W., & Lacey, R. E. (2003). Particulate matter sampler errors due to the interaction of particle size and sampler performance characteristics: Background and theory. 62-72. Buser, M. D., Parnell, C. B., Shaw, B. W., & Lacey, R. E. (2003). Particulate matter sampler errors due to the interaction of particle size and sampler performance characteristics: PM10 and PM2.5 ambient air samplers. 45-61. Capan, R., Basaran, I., Richardson, T. H., & Lacey, R. (2002). A theoretical model for the pyroelectric response in Langmuir-Blodgett films. Materials Science and Engineering C. 245-249. Ronald E. Lacey, .., Jarah S Redwine, .., Calvin B Parnell, .., & Jr. (2002). Emission Factors for Broiler Production Operations: A Stochastic Modeling Approach Denise Brown, .., & Ronald E. Lacey. (2002). A Distributed Control System for Low Pressure Plant Growth Chambers Huang, Y., Lacey, R. E., & Whittaker, A. D (2000). Food Quality Quantization: Theory and Practice. 1073-1094. Redwine, J., & Lacey, R. (2000). A summary of state odor regulations pertaining to confined animal feeding operations. 33-41. Lacey, R., & Gruenfeld, D. (1999). Unwrapping the work group: How extra-organizational context affects group behavior. 157-177. Wang, D., Dowell, F. E., & Lacey, R. E (1997). Effect of wheat kernel size and orientation on reflectance spectra and single kernel color classification. Paper - American Society of Agricultural Engineers. Lacey, R. E. (1997). Finite element modeling of packaged food rations for ultrasonic elastography simulation Lacey, R. E. (1997). Process modeling and control for food processing automation using artificial neural networks LACEY, R. E., & PAYNE, F. A. (1992). SPECTRAL MEASUREMENTS OF USED FRYING OIL FOR PROCESS-CONTROL. 49-58. LACEY, R. E. (1990). COMPUTER CONTROL AND AUTOMATION IN THE FOOD-SERVICE INDUSTRY. 115-118. Howell, T. A., & Lacey, R. E. Ultrasonic sensor for measuring rheological properties of slurries. 155-161. institutional repository document Mukhtar, S., Lacey, R., & Carey, J. B. (2001). Managing Nuisance Odor and Dust from Poultry Growing Operations
principal investigator on Agro-Food Supply Chain Engineering awarded by National Institute of Food and Agriculture - (Washington D.C., District of Columbia, United States) 2018 - 2023 Develop improved timing of application technology to reduce exposure of pesticides to honeybees awarded by Agricultural Research Service - (Washington D.C., District of Columbia, United States) 2013 - 2018
co-principal investigator on BREAD PHENO: High Throughput Phenotyping Early Stage Root Bulking in Cassava using Ground Penetrating Radar awarded by National Science Foundation - (Arlington, Virginia, United States) 2016 - 2020 Developing GPR For Enhanced Root and Soil Organic Carbon Imaging awarded by United States Department of Energy - (Washington D.C., District of Columbia, United States) 2016 - 2019
investigator on Cotton Classification awarded by United States Department of Agriculture - (Washington D.C., District of Columbia, United States) 2016 - 2017
teaching activities AGSM473 Proj Mgmt Agsm Instructor BAEN365 Unit Ops Biol & Agr Engr Instructor BAEN370 Meas Ctrl Bio & Ag Proc Instructor BAEN399 Professional Development Instructor BAEN485 Directed Studies Instructor BAEN601 Adv Agri Systems Analy Instructor BAEN661 Exprmntal Methds In Baen Instructor BAEN684 Professional Internship Instructor BAEN685 Directed Studies Instructor BAEN691 Research Instructor BAEN691 Research Instructor
chaired theses and dissertations Anderson, Jenise Ruby (2016-04). Fate and Honey Bee Toxicity of Selected Public Health Insecticides. Boriack, Cale Nolan (2007-04). Design and performance of an ammonia measurement system. Hamilton, Keith Michael (2017-12). Characterizing Greenhouse Gas Emissions From Feed Yard Operations: Methods and Governing Factors. Kovalcik, Derek John (2013-08). Algal Harvesting for Biodiesel Production: Comparing Centrifugation and Electrocoagulation. Lange, Jennifer Marie (2008-10). Engineering analysis of the air pollution regulatory process impacts on the agricultural industry. Li, Huan (2017-02). Factors Affecting the Design and Performance of the PM2.5 Sampler. Lovelady, April (2006-08). Development of a control algorithm for a dynamic gas mixing system. Luedecke, Phillip Ryan (2011-10). Developing Optimal Growth Parameters for the Green Microalgae Nannochloris oculata and the Diatom Nitzschia sp. for Large scale Raceway Production. Morrison, Taylor 1986- (2012-08). Electrolytic Methods as a Cost and Energy Effective Alternative of Harvesting Algae for Biofuel. Murdock, Jared (2014-05). Low Cost, Low Energy, Method of Dewatering Cultures of the Green Microalgae Nannochloris oculata: Electrocoagulation. Peschel, Joshua Michael (2005-02). Quantifying land cover in a semi-arid region of Texas. Price, Jacqueline Elaine (2004-11). Back-calculating emission rates for ammonia and particulate matter from area sources using dispersion modeling. Smith, Raleigh Allen (2017-05). Evaluation of Federal Reference Method PM10 Inlet for Sampling Large Particles. Stepp, Justin Wayne (2011-10). Discrete Event Model Development of Pilot Plant Scale Microalgae Facilities: An Analysis of Productivity and Costs. Zhang, Huihui (2012-02). Multisensor Fusion of Ground-based and Airborne Remote Sensing Data for Crop Condition Assessment. Zou, Mingqi (2017-05). Applicability of a Portable Particle Monitor for Measuring TSP and PM10 in the Ambient Environment.
education and training Ph.D. in Agricultural Engineering, University of Kentucky - (Lexington, Kentucky, United States) 1992 M.S. in Agricultural Engineering, University of Kentucky - (Lexington, Kentucky, United States) 1979 B.S. in Agricultural Engineering, University of Kentucky - (Lexington, Kentucky, United States) 1977
mailing address Texas A&M University Biological & Agricultural Engineering 2117 TAMU College Station, TX 77843-2117 USA