Potential geochemical constraints on tree seedlings in northern Kruger National Park grasslands

<p dir="ltr">`Letaba.csv` contains soil chemical measurements of grassland and mopane savanna soil samples from near the Letaba Rest Camp in the Kruger National Park, South Africa).</p><p dir="ltr">`Letaba.csv` has the following 14 columns:</p><p dir="ltr">1. 'ID' (labelling each sample)</p><p dir="ltr">2: 'Status' (identifying whether a sample is derived from grassland or mopane savanna)</p><p dir="ltr">3–12: 'Na', 'Mg', 'K', 'Ca', 'P', 'S', 'B', 'Mn', 'Cu' and 'Zn' (soil chemical concentrations, all in mg per kg soil)</p><p dir="ltr">13. 'C' (soil organic carbon, in %)</p><p dir="ltr">14. 'pH'</p>