Gravimetric processing from samples taken using corer.
Date/Time | Location | Tare (g) | Wet (g) | Dry (g) | Density (g/cm^3) | Qsoil (m^3/m^3) % | EC5 Reading (m^3/m^3) % |
---|---|---|---|---|---|---|---|
20 Feb 2015/1157 | bao, 2--5cm | 5.58 | 100.74 | 85.03 | 1.20 | 23.65 | 23.98 |
20 Feb 2015/1112 | bao, 10--13cm | 2.15 | 99.59 | 88.59 | 1.30 | 16.56 | 16.38 |
20 Feb 2015/1129 | bao, 20-23cm | 2.50 | 89.51 | 80.32 | 1.17 | 13.83 | 13.17 |
Note: Dry taken 23 Feb after air-drying in the lab for 3 days. Will repeat after baking in the toaster oven for an hour to see if any more moisture boiled off...
tare = c(5.58,2.15,2.50)
wet = c(100.74,99.59,89.51)-tare
dry = c(85.03,88.59,80.32)-tare
vol = 3*pi*(5.31/2)^2
moist = 100*(wet-dry)/vol
rho = dry/vol
ec5 = c(23.98,16.38,13.17)
matplot(moist,ec5,xlim=c(0,60),ylim=c(0,60)); abline(0,1,lty=2)