Across location mean biomass, cover, and height

Table 4-a. Across location mean biomass, canopy cover, and height of 60 cover crop varieties evaluated in small plot replicated trials at three University of Tennessee AgResearch and Education Center locations in Tennessee during 2019-2020.

VarietyCommon NameGroupBiomass
(DM tons/ac)
Canopy Cover
(%)
Height
(in)
Apr†MayNovFebNovFebAprMay
Brassicas
ImpactCollardsBrassica0.3Q-V0.7X-BB4O-R13M-Q2Q-S2S-U4T-X21K-Q
ExtenderHyb. BrassicaBrassica0.4M-S0.6Y-BB4L-P15L-P2Q-S4H-M20D24H-L
VivaHyb. BrassicaBrassica0.4L-S0.9U-AA14E-H29E-G2N-Q3M-R25C31E
VivantHyb. BrassicaBrassica0.2S-V0.4AA-BB10H-K17H-O2N-Q3Q-S13H-M22H-O
AerifiRadishBrassica0.5J-P1.2P-W11G-J24E-K2N-P5E-J18D-F19M-R
DiggerRadishBrassica0.4L-S1.2Q-X10F-I24E-K3M-O5G-K19DE18N-R
DrillerRadishBrassica0.3P-U1T-Z7H-L23E-L2P-R3M-R18D-F17P-R
SERALPHARadishBrassica0.5K-Q1.3L-U7I-N27E-G3M-O5E-H19D-F17P-R
SERWF19RadishBrassica0.6G-M1.3M-U8H-K24E-L2N-P5F-K21D20L-Q
SmartRadishBrassica0.5J-P1.2Q-X14D-G25E-I3MN4H-N25C23H-N
Jackpot TurnipBrassica0.3P-U0.8V-BB8H-L16K-O2O-Q4L-R21D24H-L
Average0.41921241821
Min0.20.441322417
Max0.61.31429352531
Range0.40.91016142114

† Varieties that have any MS letter in common are not significantly different (Fisher’s Protected LSD, P<0.05). Mean separation was performed across all entries. Varieties within the “A group” were top performers across all entries and mean separation letters of these entries are highlighted in dark orange.
For ease of viewing, the table is broken into functional groups (brassicas, cereals, legumes). Mean values for top performers within each functional group are highlighted in light orange (50th – 75th percentile) and dark orange (> 75th percentile).

Table 4-b. Across location mean biomass, canopy cover, and height of 60 cover crop varieties evaluated in small plot replicated trials at three University of Tennessee AgResearch and Education Center locations in Tennessee during 2019-2020.

VarietyCommon NameGroupBiomass
(DM tons/ac)
Canopy Cover
(%)
Height
(in)
Apr†MayNovFebNovFebAprMay
Cereals
CenturionAnnual RyegrassCereal0.3Q-V1S-Z4K-P26E-G4J-L4H-N8N-R21J-P
LowboyAnnual RyegrassCereal0.1V0.4AA-BB3N-Q16J-O3M1U3V-X11TU
140760BarleyCereal0.4L-S1.4I-U23A-D23E-L5D-G5E-H11K-O23H-O
140789BarleyCereal0.5K-Q1.4K-U24A-D27E-G5GH5G-L7P-T20L-Q
140797BarleyCereal0.4M-S1.2O-W28A-C27E-G5B-G5G-K9N-Q23H-M
SB255BarleyCereal0.4M-S1.3N-V22A-D22G-M5D-G4K-Q13H-M23H-M
SecretariatBarleyCereal0.4L-R1.4H-T15C-E22F-L4I-K4H-N11J-N20L-Q
Bates RS4Cereal RyeCereal1.2AB2.3AB33A26E-G6AB10A33AB53BC
Elbon (1)Cereal RyeCereal0.8D-H1.9A-H28A-C26E-G5C-G4I-O25C57AB
Elbon (2)Cereal RyeCereal0.6G-M1.6E-Q29AB26E-G5C-G3M-R21D54BC
GokuCereal RyeCereal0.7F-K1.8B-M25A-C22E-L6A-D6DE26C54BC
NF95319BCereal RyeCereal1.1AB2.1A-E26A-C25E-J6A8BC32B56A-C
NF97325Cereal RyeCereal1.1A-C1.9A-H20B-E26E-G6A-C9AB32B59A
NF99362Cereal RyeCereal1B-E1.9A-I24A-C25E-G5B-F7CD27C52C
Wintergrazer 70Cereal RyeCereal0.9B-F1.9B-K21A-D24E-K6A-C9AB36A60A
YankeeCereal RyeCereal0.3P-U1.3N-V30AB22E-L5B-E3O-S10L-P40D
BobOatCereal0.6G-O1.7D-P22A-D26E-G5F-H6DE13I-M30EF
CosaqueOatCereal0.6H-P1.5F-R23A-D25E-H5F-H5E-I10K-O19L-R
HilliardWheatCereal0.7G-L1.8B-L16B-E26E-G5D-G6DE16E-H26F-I
Liberty 5658WheatCereal0.5I-P1.4J-U15C-F23E-L5B-G6D-G16F-I26F-H
Average0.61.62224551836
Min0.10.431631311
Max1.22.333276103660
Range1.11.92911393349

† Varieties that have any MS letter in common are not significantly different (Fisher’s Protected LSD, P<0.05). Mean separation was performed across all entries. Varieties within the “A group” were top performers across all entries and mean separation letters of these entries are highlighted in dark orange.
For ease of viewing, the table is broken into functional groups (brassicas, cereals, legumes). Mean values for top performers within each functional group are highlighted in light orange (50th – 75th percentile) and dark orange (> 75th percentile).

Table 4-c. Across location mean biomass, canopy cover, and height of 60 cover crop varieties evaluated in small plot replicated trials at three University of Tennessee AgResearch and Education Center locations in Tennessee during 2019-2020.

VarietyCommon NameGroupBiomass
(DM tons/ac)
Canopy Cover
(%)
Height
(in)
      
Apr†MayNovFebNovFebAprMay
Legumes
FIXatioNClover, BalansaLegume0.3O-T1.2Q-W3ST12N-Q0Y1U5R-X20L-Q
ParadanaClover, BalansaLegume0.2R-V0.7W-BB2TU9O-Q1W-Y1U4S-X10UV
ViperClover, BalansaLegume0.4M-S1.8D-O2ST16I-O0XY1U6Q-V15R-T
BaladyClover, BerseemLegume0V0.3AA-BB1U5Q1U-W1U2X6V
FrostyClover, BerseemLegume0.2R-V1.1R-Y2T13N-Q1U-X1TU7P-T18O-R
AU SunriseClover, CrimsonLegume0.5K-Q1.7D-O6I-M27E-G1TU1U7O-T21J-P
BolsenaClover, CrimsonLegume0.5J-Q1.6E-R5I-N26E-G1T-V1U6Q-W21J-P
DixieClover, CrimsonLegume0.5K-Q1.6E-Q6H-L23E-L1TU1U7P-U21I-P
Kentucky PrideClover, CrimsonLegume0.3O-T1.5F-S5J-O24E-K1T-V1U4S-X17P-R
SECCM18Clover, CrimsonLegume0.5I-P2A-F7I-N28E-G2R-T2S-U7P-T21K-P
White CloudClover, CrimsonLegume0.3N-T1.2P-W6I-L21G-N1ST1U6Q-W16Q-S
Big RedClover, RedLegume0.1UV0.6Z-BB3Q-S7PQ1U-W1U2WX8UV
BlazeClover, RedLegume0.1V0.4AA-BB3O-R9O-Q1V-Y1U4T-X9UV
GA9909Clover, RedLegume0.1T-V0.7W-BB3RS11O-Q1U-W1U3V-X11S-U
VNSClover, RedLegume0.1T-V0.5Z-BB3RS9O-Q1U-Y1U3U-X9UV
VNSVetch, CommonLegume0.6G-M2.2A-D4M-Q27E-G4I-K5E-H13I-M17P-R
AU MeritVetch, HairyLegume1.2A2.3A-C7I-N75A4IJ6D-F14G-J23H-M
Patagonia IntaVetch, HairyLegume1A-D1.9A-I5I-N71A4HI5F-K14G-J23H-M
Purple BountyVetch, HairyLegume0.8E-I1.9A-H3P-R50BC4I-K3N-R16E-G26F-J
VillanaVetch, HairyLegume0.7G-L1.6E-R2P-S40D4I-K4K-Q14G-J25G-K
WinterKingVetch, HairyLegume1.2AB1.8C-N3M-Q53B4IJ4H-N16E-H24H-L
NamoiVetch, WoolypodLegume0.8C-G1.5G-T3RS52B5E-H7D14G-K21I-P
Double OOWinter PeaLegume0.7G-L1.8B-K7G-K31E4KL3O-R10M-P30EF
SurvivorWinter PeaLegume0.8D-I2.4A7G-K46B-D4I-K3O-R13G-K26F-H
VNS (1)Winter PeaLegume0.7E-K1.9A-J6H-L41D4J-L4L-R13H-M27E-H
VNS (2)Winter PeaLegume0.7E-K2A-G7G-K43CD4L3Q-S13G-L29E-G
WindhamWinter PeaLegume0.6G-N1.8C-N7G-J31EF4IJ2R-T7O-S18N-R
WyoWinter (1)Winter PeaLegume0.6G-M1.9A-H5H-L40D4J-L3P-S11J-N26F-J
WyoWinter (2)Winter PeaLegume0.8E-J1.9A-H7G-J43CD4I-K4J-P14G-K26F-H
Average0.51.543122920
Min00.3150126
Max1.22.4775571630
Range1.22671561424

† Varieties that have any MS letter in common are not significantly different (Fisher’s Protected LSD, P<0.05). Mean separation was performed across all entries. Varieties within the “A group” were top performers across all entries and mean separation letters of these entries are highlighted in dark orange.
For ease of viewing, the table is broken into functional groups (brassicas, cereals, legumes). Mean values for top performers within each functional group are highlighted in light orange (50th – 75th percentile) and dark orange (> 75th percentile).

Table 4-d. Summary statistics and ANOVA p-values for across location biomass, canopy cover, and height of 60 cover crop varieties evaluated in small plot replicated trials at three University of Tennessee AgResearch and Education Center locations in Tennessee during 2019-2020.

GroupBiomass
(DM tons/ac)
Canopy Cover
(%)
Height
(in)
Apr†MayNovFebNovFebAprMay
Brassicas
Average0.41921241821
Min0.20.441322417
Max0.61.31429352531
Range0.40.91016142114
Cereals
Average0.61.62224551836
Min0.10.431631311
Max1.22.333276103660
Range1.11.92911393349
Legumes
Average0.51.543122920
Min00.3150126
Max1.22.4775571630
Range1.22671561424
Across Groups
Average0.51.41127341426
Standard Error0.10.3250123
Min00.3150126
Max1.22.433756103660
Range1.223271693454
Virginia Sykes
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