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Fig. 2 | BMC Plant Biology

Fig. 2

From: New approaches to the effects of Si on sugarcane ratoon under irrigation in Quartzipsamments, Eutrophic Red Oxisol, and Dystrophic Red Oxisol

Fig. 2

Stoichiometric ratios of C:Si (a, b) and N:P (c, d) in leaves and stems of sugarcane plants under two water deficit conditions (presence: 35%, and absence: 70% of water retention) combined with absence (0.0 mmol L−1) and presence of fertigated Si (1.8 mmol L.−1) in three tropical soils (Quartzarenic Neosol; Eutroferric Red Latosol; and Dystrophic Red Latosol). ** and *: significant at 1% and 5% probability, respectively; NS = not significant at 5% probability. Different uppercase letters indicate differences in water deficit and different lowercase letters indicate differences in Si fertigation by Tukey test (p < 0.05)

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