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Gustin, J. L., U. K. Frei, J. Baier, P. R. Armstrong, T. Lübberstedt, and A. M. Settles. 2020. Classification approaches for sorting maize (Zea mays subsp. mays) haploids using single-kernel near-infrared spectroscopy. Plant Breeding 139: 1103-1112.
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Rodriguez, F. S., P. R. Armstrong, E. B. Maghirang, K. F. Yaptenco, E. D. Scully, F. H. Arthur, D. L. Brabec, A. D. Adviento-Borbe, and D. C. Suministrado. 2020. NIR Spectroscopy detects chlorpyrifos-methyl pesticide residue in rough, brown, and milled rice. Trans. ASABE 36: 983-993.
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Serson, W., P. Armstrong, E. Maghirang, A. AL-Bakri, T. Phillips, M. AL-Amery, K. Su, and D. Hildebrand. 2020. Development of whole and ground seed near-infrared spectroscopy calibrations for oil, protein, moisture, and fatty acids in calibrations of Salvia hispanica. J. Chem. Soc. 97: 3-13.
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Antony R. M., M. B. Kirkham, T. C. Todd, S. R. Bean, J. D. Wilson, P. R. Armstrong, E. Maghirang, and D. L. Brabec. 2019. Low-temperature tolerance of maize and sorghum seedlings grown under the same environmental conditions. J. Crop Improv. 33: 287-305.
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Armstrong, P. R., A. M. McClung, E.B. Maghirang, M. H. Chen, D. L. Brabec, K. F. Yaptenco, A. N. Famosos, and C. K. Addison. 2019. Detection of chalk in single kernels of long-grain milled rice using imaging and visible/near infrared instruments. Cereal Chem. 96: 1103-1111.
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Armstrong, P. R., E. B. Maghirang, and M. Ozulu. 2019. Determining damage levels in wheat caused by Sunn pest (Eurygaster integriceps) using visible and near-infrared spectroscopy. J. Crop Sci. 86: 102-107.
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Bosomtwe, A., J. K. Danso, E. A. Osekre, G. P. Opit, G. Mbata, P. Armstrong, F.H. Arthur, J. Campbell, N. Manu, S. G. McNeill, and J. O. Akowuah. 2019. Effectiveness of the solar biomass hybrid dryer for drying and disinfestation of maize. J. Stored Prod. Res. 83: 66-72.
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Casada, M. E., S. A. Thompson, P. R. Armstrong, S. G. McNeill, R. G. Maghirang, M. D. Montross, and A. P. Turner. 2019. Forces on monitoring cables during grain bin filling and emptying. Appl. Eng. Agric. 35: 409-415.
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Danso, J. K., E. A. Osekre, G. P. Opit, F. H. Arthur, J. F. Campbell, G. Mbata, N. Manu, P. Armstrong, and S. G. McNeill. 2019. Impact of storage structures on moisture content, insect pests and mycotoxin levels of maize in Ghana. J. Stored Prod. Res. 81: 114-120.
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Manu, N., E. A. Osekre, G. P. Opit, F. H. Arthur, G. Mbata, P. Armstrong, J. K. Danso, S. G. McNeill, and J. Campbell. 2019. Moisture content, insect pests and mycotoxin levels of maize on farms in Tamale environs in the northern region of Ghana. J. Stored Prod. Res. 83: 153-160.
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Manu, N., G. P. Opit, E. A. Osekre, F. H. Arthur, C. Mbata, P. Armstrong, J. K. Danso, S. G. McNeill, and J. F. Campbell. 2019. Moisture content, insect pest infestation and mycotoxin levels of maize in markets in the northern region of Ghana. J. Stored Prod. Res. 80: 10-20.
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Rosales, J. H., K. F. Yaptenco, M. J. B. Aguila, and P. R. Armstrong. 2019. Rapid differentiation of commercially-available soy sauces using near-infrared spectroscopy. Philipp. J. Agric. Biosyst. Eng. 15: 3-12.
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Al-Amery, M., M. Sanches, P. R. Armstrong, E. B. Maghirang, C. Lee, R. D. Vieira, and D. F. Hildebrand. 2018. Near-infrared spectroscopy used to predict soybean seed germination and vigour. Seed Sci. Res. 28: 246-252.
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Clohessy, J. W., D. Pauli, K. M. Kreher, E. S. Buckler, P. R. Armstrong, T. Wu, O. A. Hoekenga, J.-L. Jannink, M. E. Sorrells, and M. A. Gore. 2018. A low-cost automated system for high-throughput of single oat seeds. Plant Phenome J. 1: 1-13.
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Danso, J. K., E. A. Osekre, N. Manu, G. P. Opit, P. R. Armstrong, F. H. Arthur, J. F. Campbell, G. Mbata, and S. G. McNeil. 2018. Post-harvest insect infestation and mycotoxin levels in maize markets in the Middle Belt of Ghana. J. Stored Prod. Res. 77: 9-15.
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Manu, N., E. A. Osekre, G. P. Opit, J. F. Campbell, F. H. Arthur, G. Mbata, P. R. Armstrong, and J. K. Danso. 2018. Population dynamics of stored maize insect pests in warehouses in two districts of Ghana. J. Stored Prod. Res. 76: 102-110.
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Ortez, O. A., F. Salvagiotti, J. M. Enrico, P. V. V. Prasad, P. Armstrong, and I. A. Ciampitti. 2018. Exploring nitrogen limitation for historical and modern soybean genotypes. Agron. J. 110: 2080-2090.
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Tamagno, S., V. O. Sadras, J. W. Haegele, P. R. Armstrong, and I. A. Ciampitti. 2018. Interplay between nitrogen fertilizer and biological nitrogen fixation in soybean: Implications on seed yield and biomass allocation. Sci. Rep. 8: 17502.
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Wu, T., P. R. Armstrong, and E. B. Maghirang. 2018. Vis-and NIR-based instruments for detection of black-tip damaged wheat kernels: A comparative study. Trans. ASABE 61: 461-467.
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Armstrong, P. R., E. B. Maghirang, B. Subramanyam, and S. G. McNeill. 2017. Equilibrium moisture content of kabuli chickpea, black sesame, and white sesame seeds. Appl. Eng. Agric. 33: 737-742.
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Armstrong, P. R., F. Dell’Endice, E. B. Maghirang, and A. Rupenyan. 2017. Discriminating oat and groat kernels from other grains using near-infrared spectroscopy. Cereal Chem. 94: 458-463.
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Armstrong, P. R., S. G. McNeil, N. Manu, A. Bostomtwe, J. K. Danso, E. Osekre, and G. Opit. 2017. Development and evaluation of a low-cost probe-type instrument to measure the equilibrium moisture content of grain. Appl. Eng. Agric. 33: 619-629.
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Danso, J. K., E. A. Osekre, N. Manu, G. P. Opit, P. Armstrong, F. H. Arthur, J. F. Campbell, and G. Mbata. 2017. Moisture content, insect pests and mycotoxin levels of maize at harvest and post-harvest in the Middle Belt in Ghana. J. Stored Prod. Res. 74: 46-55.
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Montilla-Bascon, G., P. R. Armstrong, R. Han, and M. Sorrells. 2017. Quantification of betaglucans, lipid and protein contents in whole oat groats (Avena sativa L.) using near-infrared reflectance spectroscopy. J. Near Infrared Spectrosc. 25: 172-179.
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Armstrong, P.R., E. B. Maghirang, K. F. Yaptenco, and T. C. Pearson. 2016. Visible and near-infrared instruments for detection and quantification of individual sprouted wheat kernels. Trans. ASABE 59: 1517-1527.
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Hacisalihoglu, G., J. L. Gustin, J. Louisma, P. Armstrong, G. F. Peter, A. R. Walker, and A. M. Settles. 2016. Enhanced single see trait predictions in soybean (Glycine max) and robust calibration model transfer with near-infrared reflectance spectroscopy. J. Agric. Food Chem. 64: 1079-1086.
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Omobowale, M. O., P. R. Armstrong, Y. Mijinyawa, J. C. Igbeka, and E. B. Maghirang. 2016. Maize storage in termite mound clay, concrete and steel silos in the humid tropics: Comparison and effect on bacterial and fungal counts. Trans. ASABE 59: 1039-1048.
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Omobowale, M., Y. Mijinyawa, P. R. Armstrong, J. Igbeka, and E.B. Maghirang. 2015. Performance evaluation of termite-mound clay, concrete and steel silos for the storage of maize grains in the humid tropics. J. Stored Prod. Res. 6: 56-65.
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Armstrong, P. R. 2014. Development and evaluation of a near-infrared instrument for single-seed compositional measurement of wheat kernels. Cereal Chem. 91: 23-28.
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Gustin, J.L., S. Jackson, C. Williams, A. Patel, P. Armstrong, G.F. Peter, and A.M. Settles. 2013. Analysis of maize (Zea mays) kernel density and volume using microcomputed tomography and single-kernel near-infrared spectroscopy. J. Agric. Food Chem. 61: 10872-10880.
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Liang, K., J. A. Thomasson, M. X. Shen, P. R. Armstrong, Y. Ge, K. M. Lee, and T. J. Herrman,. 2013. Ruggedness of 2D code printed on grain tracers for implementing a prospective grain traceability system to the bulk grain delivery system. Food Control 33: 359-365.
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Ziegler, G., A. Terauchi, A. Becker, P. Armstrong, K. Hudson, and I. Baxter. 2013. Ionomic screening of field-grown soybean identifies mutants with altered seed elemental composition. The Plant Genome 6: 1-9.
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Agelet, L. E., P. R. Armstrong, I. R. Clariana, and C. R. Hurburgh. 2012. Measurement of single soybean seed attributes by near-infrared technologies: A comparative study. J. Agric. Food Chem. 60: 8314-8322.
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Armstrong, P. R. and J. G. Tallada. 2012. Prediction of kernel density of corn using single-kernel near infrared spectroscopy. Appl. Eng. Agric. 28: 569-574.
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Armstrong, P. R., M. E. Casada, and J. Lawrence. 2012. Development of equilibrium moisture relationships for storage moisture monitoring of corn. Appl. Eng. Agric. 28: 677-683.
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Armstrong, P. R., J. G. Tallada, C. Hurburgh, D. F. Hildebrand, and J. E. Specht. 2011. Development of single-seed near-infrared spectroscopic predictions of corn and soybeans constituents using bulk reference values and mean spectra. Trans. ASABE 54: 1529-1535.
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Kyung-Min Lee, P. R. Armstrong, J. A. Thomasson, R. Sui, M. Casada, and T. J. Herrman. 2011. Application of binomial and multinomial probability statistics to the sampling design process of a global grain tracing and recall system. Food Control 22: 1085-1094.
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Tallada, J. G., D. T. Wicklow, T. C. Pearson, and P. R. Armstrong. 2011. Detection of fungus-infected corn kernels using near-infrared reflectance spectroscopy and color imaging. Trans. ASABE 54: 1151-1158.
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Lee, K., P. R. Armstrong, A. Thomasson, R. Sui, M. Casada, and T. J. Herrman. 2010. Development and characterization of food-grade tracers for the global grain tracing and recall system. J. Agric. Food Chem. 58: 10945-10957.
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Armstrong, P. R. and M. Weiting. 2009. Design and testing of an instrument to measure equilibrium moisture content of grain. Appl. Eng. Agric. 24: 617-624.
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Casada, M. E. and P. R. Armstrong. 2009. Wheat Moisture Measurement with a Fringing Field Capacitive Sensor. Trans. ASABE 52: 1785-1791.
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Gonzales, H., P. Armstrong, and R. G. Maghirang. 2009. Simultaneous monitoring of stored grain with relative humidity, temperature, and carbon dioxide sensors. Appl. Eng. Agric. 25: 595-604.
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Speilbauer, G., P. Armstrong, J. W. Baier, W. B. Allen, K. Richardson, B. Shen, and A. M. Settles. 2009. High-throughput near-infrared reflectance spectroscopy for predicting quantitative and qualitative composition phenotypes of individual maize kernels. Cereal Chem. 86: 556-564.
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Tallada, J. G., N. Palacios-Rojas, and P. R. Armstrong. 2009. Prediction of maize seed attributes using a rapid single kernel near infrared instrument. J. Cereal Sci. 50: 381-387.
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Armstrong, P. R., J. E. Lingenfelser, and L. McKinney. 2007. The effect of moisture content on determining corn hardness from grinding time and grinding energy, and near-infrared spectroscopy. Appl. Eng. Agric. 23: 793-799.
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Armstrong, P. R. 2006. Rapid Single-Kernel NIR Measurement of Grain and Oil-Seed Attributes. Appl. Eng. Agric. 22: 767-772.
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Armstrong, P. R., E. B. Maghirang, F. Xie, and F. E. Dowell. 2006. Comparison of Dispersive and Fourier-Transform NIR Instruments for Measuring Grain and Flour Attributes. Appl. Eng. Agric. 22: 453-457.
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Uddin, M. S., P. R. Armstrong, and N. Zhang. 2006. Accuracy of grain moisture content prediction using temperature and relative humidity sensors. Appl. Eng. Agric. 22: 267-273.
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Britton, B.D., Armstrong, P.R., Brusewitz, G.H., and Stone, M.L. 2001. Marigold petal removal with a plate thresher. Appl. Eng. Agric. 17: 63-67.
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Reed, S. D., P. R. Armstrong, G. H. Brusewitz, and M. L. Stone. 2001. Resistance of marigold flowers to airflow. Trans. ASAE 44: 639-642.
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Stone, M.L., P.R. Armstrong, D.D. Chen, G.H. Brusewitz, and N.O. Manes. 1998. Peach firmness prediction by multiple location impulse testing. Trans. ASABE 41: 115-119.
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Armstrong, P.R., M.L. Stone, and G.H. Brusewitz,. 1997. Peach firmness determination using two different nondestructive vibrational sensing instruments. Trans. ASAE 40: 699-703.
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Armstrong, P.R., M.L. Stone, and G.H. Brusewitz. 1997. Nondestructive acoustic and compression measurements of watermelon for internal damage detection. Appl. Eng. Agric. 13: 641-645.
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For articles without links, please contact Dianna.Halcumb@usda.gov at SPIERU.
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