In fall 2022 ( Figure 3 C), petiole NO 3 − -N concentrations showed an increasing trend with higher P 2 O 5 rates, with the greatest concentrations observed at 135 kg ha −1 P 2 O 5 without O 2 fertilizer.
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Evaluating the Impact of Phosphorus and Solid Oxygen Fertilization on Snap Bean (<i>Phaseolus vulgaris</i> L.): A Two-Year Field Study.
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