Root biomass on T5

Root biomass was sampled in 2014 on the LTER poplar trees to investigate their root distribution with depth. Three cores were taken. Core 1 was within 20 cm of the tree, Core 2 was taken half way between the trees and core 3 was taken halfway between core 1 and core 3. Each core was split into four depths and the roots were separated from the soil.

This datatable is part of the Belowground Biomass on the Main Cropping System Experiment dataset. Belowground Biomass samples on the MSCE are infrequent due to the high labor costs.

Note

Experiment: Main Cropping System Experiment (MCSE)
Data available from: April 2015
Dataset: KBS0108
Datatable ID: KBS108-001.2
Core Areas Primary Production
Personnel:
Last Updated 2017-01-26
Status
  • Completed
Variate Description Units
sample date Date the soil was removed from the field
treatment the LTER treatment
replicate the replicate
core the core number
distance from tree cm the distance from the tree (20 cm = at most 20 cm) centimeter
core area m2 the core area squaremeter
core length cm the length of the core section centimeter
top depth cm depth to the top of the core section centimeter
bottom depth cm depth to the bottom of the core section centimeter
species the probable plant species sampled
root weight g dry weight of the roots extracted from the core gram
comments comments

Data Excerpt

sample_date treatment replicate core distance_from_tree_cm core_area_m2 core_length_cm top_depth_cm bottom_depth_cm species root_weight_g comments
2015-04-23 T5 R1 1 20 0.0045603635 10 0 10 Populus nigra × P. maximowiczii 0.7426
2015-04-23 T5 R1 1 20 0.0045603635 15 10 25 Populus nigra × P. maximowiczii 0.3642
2015-04-23 T5 R1 1 20 0.0045603635 25 25 50 Populus nigra × P. maximowiczii 0.59
2015-04-23 T5 R1 1 20 0.0045603635 32 50 122 Populus nigra × P. maximowiczii 1.5205
2015-04-23 T5 R1 2 180 0.0045603635 10 0 10 Populus nigra × P. maximowiczii 0.5072
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