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Table 1 Soil chemistry in the rooting zone of Actephila alanbakeri (the number of samples is three with ranges and means provided)

From: Actephila alanbakeri (Phyllanthaceae): a new nickel hyperaccumulating plant species from localised ultramafic outcrops in Sabah (Malaysia)

Parameter Range
pH 6.4–7.0 [6.7]
Co (total) μg g−1 122–670 [369]
Mg (exch.) μg g−1 1710–2830 [2250]
K (exch.) μg g−1 102–228 [153]
P (total) μg g−1 20–182 [76]
Co (DTPA) μg g−1 13–45 [25]
Cr (total) μg g−1 1930–4480 [3240]
Ca (total) μg g−1 1150–6990 [3160]
Ca (exch.) μg g−1 1810–4500 [2920]
Fe (total) mg g−1 104–177 [142]
Mg (total mg g−1 24–41 [31]
Mn (total) mg g−1 2.7–6.1 [3.9]
Ni (total) μg g−1 1000–2330 [1790]
Ni (DTPA) μg g−1 171–226 [199]