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Table 2 Selected soil chemical properties of ultramafic outcrops in South and Southeast Asia

From: Ultramafic geoecology of South and Southeast Asia

Country Altitude (masl) pH Ca:Mg Ca (exch.) cmol (+) kg−1 Mg (exch.) cmol (+) kg−1 K (exch.) cmol (+) kg−1 K (μg g−1) P (μg g−1) P (extract.) μg g−1 Ni (μg g−1) Ni (extract.) μg g−1 References
Sulawesi, Indonesia 5.3–6.3 0.9–5.7 4.6–13.3 11.1–26.2 0.05–0.5 825–4050 Parry (1985)
Sulawesi, Indonesia 200–300 5.8–7.0 0.1–1.6 0.2–1.6 0.5–4.6 0.01–0.1 3281–6260 14.4–237 0.23–3.87 3730–10,524 2.1–30.2 Van der Ent et al. (2013a)
Talaud Island, Indonesia 60–500 6.1–6.4 1.6–32 0.9–16 13.9–27.3 0.19–0.38 0.94–6.8 8.5–37 Proctor et al. (1994)
Sibuyan Island, Philippines 325–1540 4.3–5.5 0.3–2.9 0.5–3.4 0.75–3.64 0.04–0.41 0.41–2.07 1–24 Proctor et al. (1998)
Palawan, Philippines 50 6.8 0.24 4.27 18.1 0.32 1.02 6900 360 Proctor et al. (1999)
Sabah, Malaysia 400–2900 3.8–9.7 0.1–136 0.003–35 0.02–76 0.002–0.79 0.1–1056 4.4–585 0.1–32 17–9308 0.17–442 Van der Ent (unpublished)
Sabah, Malaysia 180 5.3 0.62 0.86 1.38 0.17 201 0.34 2980 10.8 Brearley (2005)
Sabah, Malaysia 280 5.7 0.31 7.7 24.6 0.14   4.1 Proctor et al. (1988a)
Ussangoda, Sri Lanka 15–20 5.3–6.2 (4.3–4.9) 0.6–1.9 (1.4–2.4) 187–905a (112–212) 311–456a (60–122) 140–321 (163–350) 101–151 (29–65) Weerasinghe and Iqbal (2011), Rajakaruna and Bohm (2002)
Ginigalpalessa, Sri Lanka 70–80 5.7–7.4 0.1–0.6 180–1580a 2400–3400a 70–230 15–180 Rajakaruna and Bohm (2002)
Indikolapalessa, Sri Lanka 70–80 4.7–6.1 0.2–2.6 395–1863a 613–2625a 78–1563 4–148 Rajakaruna and Bohm (2002)
Yodhagannawa, Sri Lanka 90–100 5.1–5.7 0.1–0.2 123–138a 838–1000a 53–75 47–79 Rajakaruna and Bohm (2002)
Andaman, India 50–732 6.0–6.8 2300–3600a 3370–9030 397–913 Pal et al. (2007)
Andaman, India 50–732 4.4–7.1 2.8–3.9b 244–10,107 192–907 Datta et al. (2015)
  1. Units are listed under each soil variable except for values with superscripts: a μg g−1; b %