Table 2.

List of biomass-related variables including their descriptions and units.

Trait abbreviation	Description	Units	Measured (WAP)
Aboveground
SDW	Stem dry weight	g plant−1	11
SSL	Sum stem length	cm	2–11
MSL	Mean stem length	cm	2–11
MXL	Maximum stem length	cm	2–11
MSA	Mean stem area	cm2	11
SSA	Sum stem area	cm2	11
RGR	Relative growth rate	cm d−1	3–11
PSN	Primary stem number	#	11
ASN	Axial stem number	#	5, 10
LDW	Leaf dry weight	g plant−1	11
SPD	SPAD	SPAD units	2, 4, 10, 11
PHE	Vegetative phenology	0→5	2–3
MSD	Mean stem diameter	cm	11
SSD	Sum stem diameter	cm	11
LFA	Leaf area	cm2	11
SLA	Specific leaf area	cm2 g−1	10
LMA	Leaf mass per area	g cm−2	10
Belowground
REC	Root electrical capacitance	nF	11
RDW	Root dry weight	g plant−1	11
CDIA	Cutting diameter	cm	11
CDW	Cutting dry weight	g plant−1	11
RDIA	Mean root diameter	cm	11
PRN	Primary root number	#	11
SRN	Secondary root number	#	11
TRN	Total root number	#	11

Note: WAP = weeks after planting.