[1] United States Department of Agriculture (USDA) (2017) Quick Stats 2.0. U.S. Department of Agriculture, National Agricultural Statistics Service, Washington DC.
https://quickstats.nass.usda.gov/
[2] Franzen, D. (2006) Fertilizing Pinto, Navy, and Other Dry Edible Beans. NDSU Ext. Serv. SF 720. North Dakota Agric. Exp. Station, Fargo, ND.
[3] Franzen, D. (2013) Dry Bean Fertility. In: Dry Bean Production Guide, Bull. A-1133, NDSU Ext. Serv., Fargo, 18-23.
[4] Knodel, J., Luecke, J., Beauzay, P., Franzen, D., Kandel, H., Markell, S., Osorno, J.M. and Zollinger, R. (2011) 2010 Dry Bean Grower Survey of Pest Problems and Pesticide Use in Minnesota and North Dakota. NDSU Ext. Serv. Bull. No. E-1522.
[5] Fageria, N.K. and Santos, A.B. (2008) Yield Physiology of Dry Bean. Journal of Plant Nutrition, 31, 983-1004.
https://doi.org/10.1080/01904160802096815
[6] Stevens, B. and Belden, K. (2005) Nutrient Management Guidelines for Dry Beans. Reg. Bull. B-1016R. Coop. Ext. Serv. and Coll. of Ag. Uni. of Wyoming, Laramie.
[7] Wetzel, R.G. and Likens, G.E. (1991) Inorganic Nutrients: Nitrogen, Phosphorus, and Other Nutrients. In: Wetzel, R.G. and Likens, G.E., Eds., Limnological Analyses, Springer-Verlag, New York.
https://doi.org/10.1007/978-1-4757-4098-1_7
[8] Havlin, J.L., Beaton, J.D., Tisdale, S.L. and Nelson, W.L. (2005) Nitrogen. In: Yarnell, D., Yehle, K., Kiefer, J. and Carnis, M., Eds., Soil Fertility and Fertilizers, Pearson Education Inc., Upper Saddle River, 97-112.
[9] Schoenau, J. (2016) Fertility Requirements and Contributions of Pulse Crops.
http://proof.saskpulse.com/files/general/160205_Schoenau_2016_Sask_Pulse_Tour_fertility_
presentation.pdf
[10] Edje, O., Mughogho, L. and Ayonoadu, U. (1975) Responses of Dry Beans to Varying Nitrogen Levels. Agronomy Journal, 67, 251-255.
https://doi.org/10.2134/agronj1975.00021962006700020020x
[11] O’Leary, M., Rehm, G. and Schmitt, M. (2002) Understanding Nitrogen in Soils. Univ. of Minnesota, Coop Ext. Serv.
http://www.extension.umn.edu/agriculture/nutrient-management/nitrogen/understanding-nitrogen-in-soils/
[12] Brady, N. and Weil, R. (2010) Nutrient Cycles and Soil Fertility. In: Anthony, V.R., Ed., Elements of the Nature and Properties of Soils, 3rd Edition, Pearson Education Inc, Upper Saddle River, NJ, 396-420.
[13] Graham, P.H. (1978) Some Problems and Potentials of Field Beans Phaseolus vulgaris in Latin America. Field Crops Research, 1, 295-317.
[14] Farid, M. and Navabi, A. (2015) N2 Fixation Ability of Different Dry Bean Genotypes. Canadian Journal of Plant Science, 95, 1243-1257.
https://doi.org/10.4141/CJPS-2015-084
[15] Hungria, M. and Vargas, M.A.T. (2000) Environmental Factors Affecting N2 Fixation in Grain Legumes in the Tropics, with an Emphasis on Brazil. Field Crops Research, 5, 151-164.
[16] Graham, P.H. (1981) Some Problems of Nodulation and Symbiotic Nitrogen Fixation in Phaseolus vulgaris L.: A Review. Field Crops Research, 4, 93-112.
[17] Kipe-Nolt, J.A., Vargas, H. and Giller, K.E. (1993) Nitrogen Fixation in Breeding Lines of Phaseolus vulgaris L. Plant Soil, 152, 103-106.
https://doi.org/10.1007/BF00016338
[18] Eckert, F.R., Kandel, H.J., Johnson, B.L., Rojas-Cifuentes, G.A., Deplazes, C., Vander Wal, A.J. and Osorno, J.M. (2011) Row Spacing and Nitrogen Effects on Upright Pinto Bean Cultivars under Direct Harvest Conditions. Agronomy Journal, 103, 1314-1320.
https://doi.org/10.2134/agronj2010.0438
[19] Kellman, A.W., Hill, G.D. and McKenzie, B.A. (2005) Variability in Nodulation of Phaseolusvulgaris L. with Different Rhizobial Strains. Agron. New Zealand, 35, 57-65.
[20] Fageria, N.K., Melo, L.C., Ferreira, E.P.B., Oliveira, J.P. and Knupp, A.M. (2014) Dry matter, Grain Yield, and Yield Components of Dry Bean as Influenced by Nitrogen Fertilization and Rhizobia. Communications in Soil Science and Plant Analysis, 45, 111-125.
https://doi.org/10.1080/00103624.2013.848877
[21] Weiser, G.C., Grafton, K.F. and Berryhill, D.L. (1985) Nodulation of Dry Beans by Commercial and Indigenous Strains of Rhizobium phaseoli. Agronomy Journal, 77, 856-859.
https://doi.org/10.2134/agronj1985.00021962007700060007x
[22] Henson, B. and Halvorson, M. (2004) Dry Bean Response to Nitrogen Fertilizer.
https://www.ag.ndsu.edu/archive/carringt/agronomy/Research/Fertility/04%20DEB%20Response%
20to%20N.pdf
[23] Nanjareddy, K., Blanco, L., Arthikala, M.K., Affantrange, X.A., Sanchez, F. and Lara, M. (2014) Nitrate Regulates Rhizobial and Mycorrhizal Symbiosis in Common Bean (Phaseolus vulgaris L.). Journal of Integrative Plant Biology, 56, 281-298.
https://doi.org/10.1111/jipb.12156
[24] Cassman, K.G., Dobermann, A. and Walters, D.T. (2002) Agroecosystems, Nitrogen-Use Efficiency, and Nitrogen Management. AMBIO, 31, 132-140.
https://doi.org/10.1579/0044-7447-31.2.132
[25] Davis, J.G. and Brick, M.A. (2009) Fertilizing Dry Beans. Colorado State Univ. Ext. Fact Sheet No. 0539.
[26] Bullock, D.G. and Anderson, D.S. (2008) Evaluation of the Minolta SPAD-502 Chlorophyll Meter for Nitrogen Management in Corn. Journal of Plant Nutrition, 21, 741-755.
https://doi.org/10.1080/01904169809365439
[27] Fritschi, F.B. and Ray, J.D. (2007) Soybean Leaf Nitrogen, Chlorophyll Content, and Chlorophyll a/b Ratio. Photosynthetica, 45, 92-98.
https://doi.org/10.1007/s11099-007-0014-4
[28] Osorno, J.M., Grafton, K.F., Rasmussen, J.B., Rojas-Cifuentes, G.A., Gelin, R. and Vander-Wal, A.J. (2009) Release of “Eclipse” Black Bean. Bean Improvement Cooperative. Annual Report, Vol. 52, 160-161.
[29] Osorno, J.M., Grafton, K.F., Rojas-Cifuentes, G.A., Gelin, R. and Vander Wal, A. (2010) Registration of “Lariat” and “Stampede” Pinto Beans. Journal of Plant Registrations, 4, 5-11.
https://doi.org/10.3198/jpr2009.03.0143crc
[30] Kandel, H. (2013) Drybean Production Guide. Bull. No. A-1133 (Revised). NDSU Ext. Serv., Fargo.
[31] United States Department of Agriculture (USDA) (2017).
http://websoilsurvey.nrcs.usda.gov/app/WebSoilSurvey.aspx
[32] LeBaron, M.J. (1974) Developmental Stages of the Common Bean Plant; A Description. Univ. of Idaho, Coop Ext. Serv. No. 228.
[33] Penn State College of Agricultural Sciences (2012) Common Bean Shovelomics.
http://plantscience.psu.edu/research/labs/roots/methods/field/shovelomics/intensive-bean-crown-phenotyping
[34] NDAWN. North Dakota Agricultural Weather Network (2017) North Dakota State Univ., Fargo.
http://ndawn.ndsu.nodak.edu