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APA Citation
Zone, P. P., Culman, S. W., Haden, V. R., Lindsey, L. E., Fulford, A. M., & Zhao, K. (2020). do soil test levels and fertilization with phosphorus and potassium impact field crop tissue concentrations?. Agronomy Journal, 112, 3024–3036. http://access.bl.uk/ark:/81055/vdc_100103799684.0x000064