Contributions of Leguminosae to young and old stands of neotropical forests under different environmental conditions

Table 4 Characteristics of the superficial soil layer in the sites where the study was conducted (0–20 cm)

	Humid coastal	Sub-humid low fertility	Sub-humid high fertility	Humid montane	Semi-arid high fertility	Semi-arid low fertility
Sand (g kg⁻¹)	620	864	631	478	693	790
Clay (g kg⁻¹)	280	62	140	89	178	180
pH	5.0	5.3	5.2	5.2	6.8	4.8
P (mg kg⁻¹)	4.4	4.5	2.8	11.0	4.4	0.7
Ca (mmol kg⁻¹)	10.0	8.7	25.0	45.0	16.0	1.3
Mg (mmol kg⁻¹)	9.0	5.8	11.0	20.0	10.0	2.3
Al (mmol kg⁻¹)	0.4	2.1	3.0	0.3	1.5	4.0

References from left to right column: Nascimento (2010), Silva et al. (2017), Alcoforado-Filho et al. (2003), Ferraz et al. (2003), Freitas et al. (2010), Faria et al. (2016), Freitas et al. (Dados não publicados)

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