Field Notes

Twitchell Alfalfa: 2018-03-19 08:30:00 (DOY 78)
Author: Alex Valach
Others: Joe Verfaillie, Sam Chamberlain

Summary: Data and veg collection, no soil resp, LAI2200 measurements.

Arrived 8:30 PST
Conditions: cool (ground dew), sunny, high cirrus clouds, calm.
Alfalfa field mostly consists of weeds (grass, nettles).
Deep puddles along the road.

JV downloaded data and synced clock, CAMCARD, Met, Soil CO2 data.

CO2:454.1
H2O: 425.3
temp: 11.4
P: 102.2
rssi: 103.0
Set clock: 8:43 to 8:39

SC took veg height measurements.
Li6400 had a broken O-ring (no soil resp. measurements taken).
AV took LAI measurements using LAI 2200.
SC did clip plots (veg harvested).

Forgot to swap battery cables and split loom to expose wires.

Left site 9:15 PST

Veg Height (cm): Tape measure from ground to top of plant - Mostly weeds (grass, nettles)
5, 7, 8, 12, 15, 11, 12, 3, 2, 23, 32, 24, 35, 31, 30, 20, 6, 15, 4, 6, avg = 15.1, stdev = 10.72

0 photos found

7 sets found

Can't check TA_met
11 TA_met graphs found