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. 2020 Jun 8;9(6):722. doi: 10.3390/plants9060722

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© 2020 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Principal component analysis (PCA) of the physiological and morphological parameters of E. dysenterica at varying nitrogen and phosphorus rates. Principal component analysis (PCA) of the mean values for the physiological and morphological characteristics of Eugenia dysenterica DC grown at varying (A) nitrogen (N; 0, 50, 100, 200, and 400 mg dm⁻³) and (B) phosphorus (P; 0, 100, 200, 400, and 600 mg dm⁻³) rates for 278 d. Images A and B show score variations in these traits along the first two main component axes, with the percentage of variation explained.