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. 2021 Jul 20;11:14799. doi: 10.1038/s41598-021-94269-3

Figure 2.

Figure 2

Effects of different fertilizers on concentrations of total nitrogen (a,d), available phosphorus (b,e) and exchangeable potassium (c,f) of soils during the short (ac) and long rainy (df) seasons incubation experiments.