Table 13. Early Oct. Planted, Spring Hill, TN, Cover and Height

Table 13. By location mean cover and height of 36 cover crop varieties and 8 mixes planted in early Oct. 2020, in small plot replicated trials, at the Middle Tennessee AgResearch and Education Center, in Spring Hill, Tennessee, and evaluated from Fall 2020 to Spring 2021.

VarietyCommon NameCanopy Cover (%)       Height (in)       
DecFebApr§May‡‡DecFebAprMay
Cereals
Bates RS4Cereal Rye68A-D35I-M93A-E10010AB7BC37AB63A-D
ElbonCereal Rye66A-F32K-O88B-G1009B-D5C-F26DE56DE
NF95319BCereal Rye59A-H35I-M95A-D1009B-D6B-D32BC60B-E
NF97325Cereal Rye59A-H32K-O97A-C1009C-F7BC33A-C57C-E
NF99362Cereal Rye48E-N27M-Q92A-F1008D-F5D-F28CD54E
TriCal RayCereal Rye68A-E37H-M93A-E10010A-C7BC34AB58B-E
YankeeCereal Rye58A-I32K-O85D-I1009B-D5E-G15J-N34G-J
TriCal EXP 20T06Triticale67A-F43E-L88B-G10010AB7B23D-G39FG
TriCal EXP 21T01Triticale78A51D-H87C-H10011A9A22E-H35F-I
TriCal Flex 719Triticale65A-F38F-M65K-M879C-F6B-F17I-M31H-K
TriCal SurgeTriticale53B-K34I-N80F-K10010A-D7B18F-K30I-L
TN1902Wheat49D-M30L-P78G-K907F-H5E-G15J-N25K-O
Legumes
FIXatioNClover, Balansa28N-P13QR38N-P783J3H9O-U19O-R
ParadanaClover, Balansa28N-P13QR32OP533J3H12L-T12R-T
TaipanClover, Balansa16P11R13P483J3H8Q-U13R-T
ViperClover, Balansa22OP14QR48M-O823J3H12M-S20N-Q
FrostyClover, Berseem40H-O38G-M93A-E1003J3H13L-Q21M-Q
LightningClover, Berseem36J-P34J-N92A-E1003J3H12M-S22M-P
*UF_CC_17Clover, Crimson53B-K51D-H83E-J973J3H14K-Q24L-P
DixieClover, Crimson40H-O46E-K92A-E1003J3H11N-U26K-N
Kentucky PrideClover, Crimson52B-L47D-J90A-G1003J3H12M-S25K-O
GO-PER-12Clover, Persian30M-P15QR17P383J3H6S-U13RS
DynamiteClover, Red33K-P18O-R57L-N853J3H9P-U18P-R
Q (FL24D)Clover, Red37J-O14QR15P653J3H7R-U15Q-S
*UF_WC_LateOcoeeClover, White24OP11R5P353J3H4U6T
*UF_WC_ML17Clover, White30M-P16P-R27OP503J3H6TU10ST
AU MeritVetch, Hairy62A-G61B-D88B-G1006HI6B-F12L-R26K-N
PatagoniaVetch, Hairy69A-C75AB93A-E1006HI6B-F15J-O23L-P
WinterKingVetch, Hairy62A-G56C-E98AB1006HI6B-E14J-P25K-O
SurvivorWinter Pea77A79A87B-G1006G-I5E-G17H-M28J-M
Brassicas
VivantHybrid (turnip x rapeseed)47F-N20N-R70H-L876HI4F-H23D-F33G-J
AerifiRadish49C-M13QR37N-P676I3H14J-O21N-Q
CCS-779Radish39I-O13QR23P426I3H15J-N21N-Q
DrillerRadish45G-N8R20P256HI3H14J-Q19O-R
FragiBlasterRadish51B-L18O-R67J-L906HI3H17G-L26K-N
Jackpot Turnip32L-P12R67I-L906I3GH24D-F37F-H
Mixes
Bates RS4 (20%) + Dixie (80%)Cereal Rye + Crimson Clover60A-G46E-K93A-E1008D-F5E-G39A67A
Bates RS4 (20%) + AU Merit (80%)Cereal Rye +
Hairy Vetch
56B-J49D-I98AB1009B-E6B-E39A65AB
Bates RS4 (10%) + Dixie (90%)Cereal Rye + Crimson Clover60A-H51D-G98AB1008D-F6B-E38A65AB
Bates RS4 (10%) + AU Merit (90%)Cereal Rye +
Hairy Vetch
60A-G61B-D98AB10010A-C6B-D37AB63A-C
Yankee (20%) +
Dixie (80%)
Cereal Rye + Crimson Clover59A-H34I-N97A-C1008E-G5D-F17G-L41F
Yankee (20%) +
AU Merit (80%)
Cereal Rye +
Hairy Vetch
59A-I51D-H100A1009B-E6B-F21E-I37F-H
TN1902 (20%) +
Dixie (80%)
Wheat +
Crimson Clover
62A-G53D-F97A-C1008E-G5D-F19F-J32H-K
TN1902 (20%) +
AU Merit (80%)
Wheat +
Hairy Vetch
69AB67A-C100A1009B-E6B-E19F-K31H-K
Cereals
Average61368798962545
Min48276587751525
Max7851971001193763
Range30243213442237
Legumes
Average41345980441119
Min16115353346
Max777998100661728
Range61689365331321
Brassicas
Average44144767631826
Min3282025631419
Max51207090642437
Range19125065011018
Mixes
Average615298100962950
Min563493100851731
Max69671001001063967
Range143370222136
Across Groups
Average51357287651933
Standard Error16193022321017
Min1685253346
Max78791001001193967
Range62729575863461
ANOVA p-values
– Variety<0.001<0.001<0.001<0.001<0.001<0.001<0.001
– Location<0.001<0.001<0.0010.0030.003<0.001<0.001
– Variety x LocationN.S.<0.001<0.001<0.001<0.001<0.001<0.001

† Varieties that have any MS letter in common are not significantly different (Fisher’s Protected LSD, P<0.05). Mean separation letters are highlighted in dark orange for values that are not statistically different from the highest value across all entries within a given trait. Mean values between the 50th and 75th percentile are highlighted in light orange, mean values above the 75th percentile are highlighted in dark orange. § For analysis, values transformed using (value)^2 due to non-normal distribution. Untransformed means and summary statistics are reported. ‡ For analysis, values transformed using log (value+1) due to non-normal distribution. Untransformed means and summary statistics are reported. ‡‡ Non-normal distribution, means reported ¶ Analyzed using near infrared spectroscopy (NIRS) with the appropriate calibration for each species. Reported on a 100% DM basis. †† Estimated using quality constituents from NIRS inputted into the UGA cover crop nitrogen calculator.

Virginia Sykes
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