View/Open - ResearchSpace - University of KwaZulu-Natal
View/Open - ResearchSpace - University of KwaZulu-Natal
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 (%)