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Elzobair, K.A. and Stromberger, M.E. and Ippolito, J.A. and Lentz, R.D. (2015) Contrasting effects of biochar versus manure on soil microbial communities and enzyme activities in an Aridisol. Chemosphere. 29 June 2015. Elsevier Ltd. ISSN 0045-6535 Available: http://dx.doi.org/10.1016/j.chemosphere.2015.06.04...
Ippolito, J.A. and Grob, J and Donnelly, A (2015) Anatomy of a field trial: Wood-based biochar and compost influences a Pacific Northwest soil. Biochar Journal. pp. 1-34. ISSN 2297-1114 Available: http://www.biochar-journal.org/en/ct/62
Massee, T.W. and Olsen, R.A. and Skogley, E.O. (1977) Characterizing Soil Fertility by Ion Diffusive Flux Measurements. Plant and Soil. 47(3):663-679.
Massey, M.S. and Davis, J and Ippolito, J.A. and Sheffield, R.E. (2009) The effectiveness of recovered magnesium phosphates as fertilizers in neutral and slightly alkaline soils. Agronomy Journal. 101(2):323-329.
Massey, M.S. and Davis, J.G. and Ippolito, J.A. and Sheffield, R.E. (2009) Effectiveness of recovered magnesium phosphates as fertilizers in neutral and slightly alkaline soils. Agronomy Journal. 101(2):323-329.
Mayland, H.F. (1968) Measuring and interpreting rangeland soil fertility. Agronomy Abstracts. 60:137.
Novak, J.M. and Ippolito, J.A. and Lentz, R.D. and Spokas, K.A. and Bolster, C.H. and Sistani, K.R. and Trippe, K.M. and Phillips, C.L. and Johnson, M.G. (2016) Soil health, crop productivity, microbial transport, and mine spoil response to biochars. BioEnergy Research. 9:454-464. 10 March 2016. Available: http://doi 10.1007/s1215-016-9720-8
Tarkalson, D.D. and Brown, B. and Kok, H. and Bjorneberg, D.L. (2010) Small Grain Residue Management Effects on Soil Organic Carbon: A Literature Review. Agronomy Journal. 103(1):247-252. 9 December 2010.
Tarkalson, D.D. and Payero, J.O. (2008) Comparison of nitrogen fertilization methods and rates for subsurface drip irrigated corn in the semi-arid Great Plains. Transactions of the ASABE. 51(5):1633-1643.
Van Donk, S.J. and Bigas, S and Kranz, W.L. and Snow, D.D. and Bartlelt-Hunt, S.L. and Mader, T.L. and Shapiro, C.A. and Shelton, D.P. and Tarkalson, D.D. and Zhang, T.C. and Ensley, S.M. (2013) Transport of steroid hormones in the vadose zone after land application of beef cattle manure. TRANSACTIONS OF THE ASABE. 56(4):1327-1338. ISSN 2151-0032
James, D.W. and Leggett, G.E. and Dow, A.I. (1967) Phosphorus Fertility Relationships of Central Washington Irrigated Soils (with special emphasis on exposed calcareous subsoils). Washington State University Bulletin No. 688. 18 pp.
Ippolito, J.A. and Spokas, K.A. and Novak, J.M. and Lentz, R.D. and Cantrell, K.B. (2015) Biochar elemental composition and factors influencing nutrient retention. In: Lehmann, Johannes and Joseph, Stephen, (eds.) Biochar for Envrionmental Management: Science, technolody and Implementation, 2nd edition. pp. 137-161, 944 pp. Routledge. ISBN 978-0-415-70415-1
Westermann, D.T. (1993) Fertility Management (Chapter 9). In: Rowe, R.C., (ed.) Potato Health Management. pp. 77-86. APS Press. ISBN 0-89054-144-2