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View/Open - ResearchSpace - University of KwaZulu-Natal

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Soil sampling and analysis<br />

Table 3.1: Analysis results for two soil samples from the Nieuwoudtville Wildflower Reserve<br />

(19° 8’ E, 31° 24’ S).<br />

Water<br />

Total N<br />

Test Test parameters Sample 1 Sample 2<br />

Texture<br />

pH<br />

Fertility density<br />

Inorg. N<br />

Salinity<br />

content<br />

& C<br />

Sand % 31 63<br />

Fine Silt % 16 18<br />

Clay % 54 19<br />

Wet weight (g) 439.3 392.0<br />

Dry weight (g) 393.5 384.7<br />

Water content (%) 10.4% 1.9%<br />

Measured with fertility density 6.66 4.94<br />

Measured with soil salinity 7.30 4.99<br />

Personal test 7.81±0.05 6.72±0.5<br />

Sample density (g/ml) 1.13 1.23<br />

Phosphorous (%) 0.0003 0.0022<br />

Potassium (%) 0.0337 0.0246<br />

Calcium (%) 0.8796 0.0681<br />

Magnesium (%) 0.1587 0.0264<br />

Exchangeable acidy (cmol/l) 0.06 0.05<br />

Total cations 57.88 6.25<br />

Zinc (%) 0.0004 0.0006<br />

Manganese (%) 0.0002 0.0003<br />

Copper (%) 0.0003 0.0002<br />

MIR clay (%) 19 12<br />

MIR organic Carbon (%)

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