Application of Temperature Modulation-SDP on MOS Gas Sensors: Capturing Soil Gaseous Profile for Discrimination of Soil under Different Nutrient Addition

Table 2

Properties of samples of soil, fertilizer, water, and static headspace condition.

Properties of SH	Value
Volume of SH vial	90 mL
Bulk density of sandy loam soil	1.44 g/mL
Bulk density of sand soil	1.52 g/mL
Phase ratio	1.5
Water content	100%
Density of pure water	0.998 g/mL
Calculation results
Mass of sandy loam soil	21.22 g
(i) Mass of compost adding at 20 ton/ha	0.318 g
(ii) Mass of compost adding at 30 ton/ha	0.477 g
Mass of sand soil	21.63 g
(i) Mass of compost adding at 20 ton/ha	0.324 g
(ii) Mass of compost adding at 30 ton/ha	0.287 g