Thomas Smyth

Dall'Orsoletta, D. J., Gatiboni, L. C., Mumbach, G. L., Schmitt, D. E., Boitt, G., & Smyth, T. J. (2021). Soil slope and texture as factors of phosphorus exportation from pasture areas receiving pig slurry. SCIENCE OF THE TOTAL ENVIRONMENT, 761. https://doi.org/10.1016/j.scitotenv.2020.144004

Stephenson, T. D., Carvalho, H. D. R., Castillo, M. S., Crozier, C. R., Smyth, T. J., & Heitman, J. L. (2021). Water use and biomass yield of bioenergy crops in the North Carolina Piedmont. AGRONOMY JOURNAL, 113(3), 2463–2473. https://doi.org/10.1002/agj2.20646

Heitman, A. J., Castillo, M. S., Smyth, T. J., & Crozier, C. R. (2018). Stem, Leaf, and Panicle Yield and Nutrient Content of Biomass and Sweet Sorghum. AGRONOMY JOURNAL, 110(5), 1659–1665. https://doi.org/10.2134/agronj2018.03.0178

Wang, Z., Jot Smyth, T., Crozier, C. R., Gehl, R. J., & Heitman, A. J. (2018). Yield and Nitrogen Removal of Bioenergy Grasses as Influenced by Nitrogen Rate and Harvest Management in the Coastal Plain Region of North Carolina. BioEnergy Research, 11(1), 44–53. https://doi.org/10.1007/s12155-017-9876-x

Heitman, A. J., Castillo, M. S., Smyth, T. J., Crozier, C. R., Wang, Z., Heiniger, R. W., & Gehl, R. J. (2017). Nitrogen Fertilization Effects on Yield and Nutrient Removal of Biomass and Sweet Sorghum. AGRONOMY JOURNAL, 109(4), 1352–1358. https://doi.org/10.2134/agronj2016.12.0710

Wang, Z., Heitman, J. L., Smyth, T. J., Crozier, C. R., Franzluebbers, A., Lee, S., & Gehl, R. J. (2017). Soil Responses to Bioenergy Crop Production in the North Carolina Piedmont. AGRONOMY JOURNAL, 109(4), 1368–1378. https://doi.org/10.2134/agronj2017.02.0068

Wang, Z., Smyth, T. J., Crozier, C. R., Gehl, R. J., & Heitman, A. J. (2017). Yield and Nutrient Removal by Bioenergy Grasses on Swine Effluent Spray Fields in the Coastal Plain Region of North Carolina. BioEnergy Research, 10(4), 979–991. https://doi.org/10.1007/s12155-017-9856-1

Savala, C. E. N., Crozier, C. R., & Smyth, T. J. (2016). Poultry Manure Nitrogen Availability Influences Winter Wheat Yield and Yield Components. AGRONOMY JOURNAL, 108(2), 864–872. https://doi.org/10.2134/agronj2015.0355

Jani, A. D., Grossman, J., Smyth, T. J., & Hu, S. (2016). Winter legume cover-crop root decomposition and N release dynamics under disking and roller-crimping termination approaches. Renewable Agriculture and Food Systems, 31(3), 214–229. https://doi.org/10.1017/s1742170515000113

Israel, D. W., & Smyth, T. J. (2015). Crop Utilization of Nitrogen in Swine Lagoon Sludge. COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS, 46(12), 1525–1539. https://doi.org/10.1080/00103624.2015.1043459

Jani, A. D., Grossman, J. M., Smyth, T. J., & Hu, S. (2015). Influence of soil inorganic nitrogen and root diameter size on legume cover crop root decomposition and nitrogen release. PLANT AND SOIL, 393(1-2), 57–68. https://doi.org/10.1007/s11104-015-2473-x

Gatiboni, L. C., Smyth, T. J., Schmitt, D. E., Cassol, P. C., & Oliveira, C. M. (2015). SOIL PHOSPHORUS THRESHOLDS IN EVALUATING RISK OF ENVIRONMENTAL TRANSFER TO SURFACE WATERS IN SANTA CATARINA, BRAZIL. REVISTA BRASILEIRA DE CIENCIA DO SOLO, 39(4), 1225–1234. https://doi.org/10.1590/01000683rbcs20140461

Oliveira, C. M., Gatiboni, L. C., Miquelluti, D. J., Smyth, T. J., & Almeida, J. A. (2014). MAXIMUM PHOSPHORUS ADSORPTION CAPACITY AND BINDING ENERGY CONSTANT OF AN OXISOL FITTING DIFFERENT LANGMUIR MODELS. REVISTA BRASILEIRA DE CIENCIA DO SOLO, 38(6), 1805–1815. https://doi.org/10.1590/s0100-06832014000600015

Sobral, L. F., Smyth, J. T., Fageria, N. K., & Stone, L. F. (2013). Comparison of Copper, Manganese, and Zinc Extraction with Mehlich 1, Mehlich 3, and DTPA Solutions for Soils of the Brazilian Coastal Tablelands. COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS, 44(17), 2507–2513. https://doi.org/10.1080/00103624.2013.812731

Shuai, X., Yost, R. S., & Smyth, T. J. (2011). Predicting Soil Phosphorus Fertilizer Rate Using Hierarchical Segmented Regression Models. SOIL SCIENCE, 176(6), 303–306. https://doi.org/10.1097/ss.0b013e318219db24

Hashimoto, Y., Smyth, T. J., Israel, D. W., & Hesterberg, D. (2010). LACK OF SOYBEAN ROOT ELONGATION RESPONSES TO MICROMOLAR MAGNESIUM ADDITIONS AND FATE OF ROOT-EXUDED CITRATE IN ACID SUBSOILS. JOURNAL OF PLANT NUTRITION, 33(2), 219–239. https://doi.org/10.1080/01904160903434279

Grijalva, D. F. M., Crozier, C. R., Smyth, T. J., & Hardy, D. H. (2010). Nitrogen, Phosphorus, and Liming Effects of Poultry Layer Manures in Coastal Plain and Piedmont Soils. AGRONOMY JOURNAL, 102(5), 1329–1339. https://doi.org/10.2134/agronj2009.0283

Sao Jose, J. F., Silva, I. R., Barros, N. F., Novais, R. F., Silva, E. F., Smyth, T. J., … Gebrim, F. O. (2009). BORON MOBILITY IN EUCALYPTUS CLONES. REVISTA BRASILEIRA DE CIENCIA DO SOLO, 33(6), 1733–1744. https://doi.org/10.1590/s0100-06832009000600022

Silva, I. R., Cortes Correa, T. F., Novais, R. F., Smyth, T. J., Rufty, T., Silva, E. F., … Nunes, F. N. (2009). TIMING, LOCATION AND CROP SPECIES INFLUENCE THE MAGNITUDE OF AMELIORATION OF ALUMINUM TOXICITY BY MAGNESIUM. REVISTA BRASILEIRA DE CIENCIA DO SOLO, 33(1), 65–76. https://doi.org/10.1590/s0100-06832009000100007

Silva, I. R., Cortes Correa, T. F., Novais, R. F., Gebrim, F. de O., Nunes, F. N., Salva, E. F., & Smyth, T. J. (2008). PROTECTIVE EFFECT OF DIVALENT CATIONS AGAINST ALUMINUM TOXICITY IN SOYBEAN. REVISTA BRASILEIRA DE CIENCIA DO SOLO, 32(5), 2061–2071. https://doi.org/10.1590/s0100-06832008000500027

Perez, M. J., Smyth, T. J., & Israel, D. W. (2007). Comparative effects of two forage species on rhizosphere acidification and solubilization of phosphate rocks of different reactivity. Journal of Plant Nutrition, 30(7-9), 1421–1439. https://doi.org/10.1080/01904160701556778

Hashimoto, Y., Smyth, T. J., Hesterberg, D., & Israel, D. W. (2007). Soybean root growth in relation to ionic composition in magnesium-amended acid subsoils: Implications on root citrate ameliorating aluminum constraints. SOIL SCIENCE AND PLANT NUTRITION, 53(6), 753–763. https://doi.org/10.1111/j.1747-0765.2007.00191.x

Fichtner, E. J., Hesterberg, D., Smyth, T. J., & Shew, H. D. (2006). Differential sensitivity of Phytophthora parasitica var. nicotianae and Thielaviopsis basicola to monomeric aluminum species. Phytopathology, 96(3), 212. https://doi.org/10.1094/phyto-96-0212

Lima, A. M. N., Silva, I. R., Neves, J. C. L., Novais, R. F., Barros, N. F., Mendonca, E. S., … Leite, F. P. (2006). Soil organic carbon dynamics following afforestation of degraded pastures with eucalyptus in southeastern Brazil. FOREST ECOLOGY AND MANAGEMENT, 235(1-3), 219–231. https://doi.org/10.1016/j.foreco.2006.08.331

Pegoraro, R. F., Silva, I. R., Novais, R. F., Mendonca, E. S., Alvarez, V. H. V., Nunes, F. N., … Smyth, T. J. (2005). Diffusive flux of cationic micronutrients in two oxisols as affected by low-molecular-weight organic acids and cover-crop residue. JOURNAL OF PLANT NUTRITION AND SOIL SCIENCE, 168(3), 334–340. https://doi.org/10.1002/jpln.200421455

Soto, G., Luna-Orea, P., Wagger, M. G., Smyth, T. J., & Alvarado, A. (2005). Foliage residue decomposition and nutrient release in peach palm (Bactris gasipaes Kunth) plantations for heart-of-palm production in Costa Rica. AGRONOMY JOURNAL, 97(5), 1396–1402. https://doi.org/10.2134/agronj2004.0250

Silva, I. R., Ferrufino, A., Sanzonowicz, C., Smyth, T. J., Israel, D. W., & Junior, T. E. C. (2005). Interactions between magnesium, calcium, and aluminum on soybean root elongation. REVISTA BRASILEIRA DE CIENCIA DO SOLO, 29(5), 747–754. https://doi.org/10.1590/s0100-06832005000500010

Stewart, W. M., Dibb, D. W., Johnston, A. E., & Smyth, T. J. (2005). The contribution of commercial fertilizer nutrients to food production. AGRONOMY JOURNAL, 97(1), 1–6. https://doi.org/10.2134/agronj2005.0001

Ares, A., Quesada, J. P., Boniche, J., Yost, R. S., Molina, E., & Smyth, J. (2002). Allometric relationships in Bactris gasipaes for heart-of-palm production agroecosystems in Costa Rica. JOURNAL OF AGRICULTURAL SCIENCE, 138, 285–292. https://doi.org/10.1017/S0021859602002009

Silva, I. R., Smyth, T. J., Israel, D. W., & Rufty, T. W. (2001). Altered aluminum inhibition of soybean root elongation in the presence of magnesium. Plant and Soil, 230(2), 223–230. https://doi.org/10.1023/A:1010384516517

Silva, I. R., Smyth, T. J., Raper, C. D., Carter, T. E., & Rufty, T. W. (2001). Differential aluminum tolerance in soybean: An evaluation of the role of organic acids. PHYSIOLOGIA PLANTARUM, 112(2), 200–210. https://doi.org/10.1034/j.1399-3054.2001.1120208.x

Silva, I. R., Smyth, T. J., Israel, D. W., Raper, C. D., & Rufty, T. W. (2001). Magnesium ameliorates aluminum rhizotoxicity in soybean by increasing citric acid production and exudation by roots. PLANT AND CELL PHYSIOLOGY, 42(5), 546–554. https://doi.org/10.1093/pcp/pce067

Silva, I. R., Smyth, T. J., Israel, D. W., Raper, C. D., & Rufty, T. W. (2001). Magnesium is more efficient than calcium in alleviating aluminum rhizotoxicity in soybean and its ameliorative effect is not explained by the Gouy-Chapman-Stern model. PLANT AND CELL PHYSIOLOGY, 42(5), 538–545. https://doi.org/10.1093/pcp/pce066

Silva, I. R., Smyth, T. J., Moxley, D. F., Carter, T. E., Allen, N. S., & Rufty, T. W. (2000). Aluminum accumulation at nuclei of cells in the root tip. Fluorescence detection using lumogallion and confocal laser scanning microscopy. PLANT PHYSIOLOGY, 123(2), 543–552. https://doi.org/10.1104/pp.123.2.543

Oliveira, F. H. T., Novais, R. F., Smyth, T. J., & Neves, C. J. L. (2000). Aluminum diffusion in oxisols as influenced by soil water matric potential, pH, lime, gypsum, potassium chloride, and calcium phosphate. COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS, 31(15-16), 2523–2533. https://doi.org/10.1080/00103620009370606

Oliveira, F. H. T., Novais, R. F., Smyth, T. J., & Neves, J. C. L. (2000). Comparisons of phosphorus availability between anion exchange resin and Mehlich-1 extractions among oxisols with different capacity factors. COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS, 31(5-6), 615–630. https://doi.org/10.1080/00103620009370464

Ferrufino, A., Smyth, T. J., Israel, D. W., & Carter, T. E. (2000). Root elongation of soybean genotypes in response to acidity constraints in a subsurface solution compartment. CROP SCIENCE, 40(2), 413–421. https://doi.org/10.2135/cropsci2000.402413x

Novais, R. F., & Smyth, T. J. (1999). Fosforo em solo e planta em condicoes tropicais. Vicosa, Brazil: Universidade Federal de Vicosa.

Jallah, J. K., & Smyth, T. J. (1998). Assessment of rhizotoxic aluminum in soil solutions by computer and chromogenic speciation. COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS, 29(1-2), 37–50. https://doi.org/10.1080/00103629809369927

Sanzonowicz, C., Smyth, T. J., & Israel, D. W. (1998). Calcium alleviation of hydrogen and aluminum inhibition of soybean root extension from limed soil into acid subsurface solutions. JOURNAL OF PLANT NUTRITION, 21(4), 785–804. https://doi.org/10.1080/01904169809365442

Sanzonowicz, C., Smyth, T. J., & Israel, D. W. (1998). Hydrogen and aluminum inhibition of soybean root extension from limed soil into acid subsurface solutions. JOURNAL OF PLANT NUTRITION, 21(2), 387–403. https://doi.org/10.1080/01904169809365410

Cravo, M. S., & Smyth, T. J. (1997). Manejo sustentado da fertilidade de um latossolo da Amazonia central sob cultivos sucessivos. Revista Brasileira De Ciencia Do Solo, 21(1997), 607–616. https://doi.org/10.1590/s0100-06831997000400011

SMYTH, T. J., & CRAVO, M. S. (1992). ALUMINUM AND CALCIUM CONSTRAINTS TO CONTINUOUS CROP PRODUCTION IN A BRAZILIAN AMAZON OXISOL. AGRONOMY JOURNAL, 84(5), 843–850. https://doi.org/10.2134/agronj1992.00021962008400050016x

Smyth, T. J., Cravo, M. S., & Melgar, R. J. (1991). Nitrogen supplied to corn by legumes in a central Amazon Oxisol. Tropical Agriculture, 68(4), 366.

SMYTH, T. J., & CRAVO, M. S. (1990). CRITICAL PHOSPHORUS LEVELS FOR CORN AND COWPEA IN A BRAZILIAN AMAZON OXISOL. AGRONOMY JOURNAL, 82(2), 309–312. https://doi.org/10.2134/agronj1990.00021962008200020027x

SMYTH, T. J., & CRAVO, M. S. (1990). PHOSPHORUS MANAGEMENT FOR CONTINUOUS CORN-COWPEA PRODUCTION IN A BRAZILIAN AMAZON OXISOL. AGRONOMY JOURNAL, 82(2), 305–309. https://doi.org/10.2134/agronj1990.00021962008200020026x