Table 7. Early Oct. Planted, Across Location, Forage Quality

Table 7-a. Across location mean forage quality of 36 cover crop varieties and 8 mixes planted in early Oct. 2020, in small plot replicated trials, at two University of Tennessee AgResearch and Education Center locations, in Tennessee, and evaluated from Fall 2020 to Spring 2021.
VarietyCommon NameCP¶   ADF¶   NDF¶   
AprMayAprMayAprMay
Cereals
Bates RS4Cereal Rye8.4S5.9OP35.4A-C40.8AB65.0A72.4AB
ElbonCereal Rye9.2RS7.3N-P32.8C-E38.5A-D63.7A69.3B-E
NF95319BCereal Rye8.0S5.4P35.7AB41.8A64.5A72.7AB
NF97325Cereal Rye8.6S5.9P35.5A-C40.3A-C65.8A71.5A-C
NF99362Cereal Rye9.4Q-S5.5P33.8B-D41.7A64.5A74.0A
TriCal RayCereal Rye8.2S5.8P36.6A41.2A67.6A71.4A-D
YankeeCereal Rye13.4L-O8.0M-O24.0O-T36.9C-G49.6D-F66.9D-F
TriCal EXP 20T06Triticale9.1RS7.4N-P30.2E-H35.0E-H57.7B64.0F
TriCal EXP 21T01Triticale9.6Q-S8.1MN28.5G-L33.6G-J55.0BC62.8F
TriCal Flex 719Triticale11.5O-Q8.4MN26.6J-O34.3F-J53.4CD65.9EF
TriCal SurgeTriticale10.8P-R8.4MN26.8I-N35.6D-H53.5CD67.1C-F
TN1902Wheat12.8N-P9.7LM23.0R-U28.6L-N45.6G55.6G
Legumes
FIXatioNClover, Balansa16.7F-J18.2E-G23.4Q-T23.0S-U32.7K-N27.9T-V
ParadanaClover, Balansa17.0F-I16.2GH24.6N-S27.9L-O33.5J-M33.2P-S
TaipanClover, Balansa16.7F-J15.5HI23.8O-T27.8M-P33.7J-M33.1P-S
ViperClover, Balansa17.5F-H16.7GH23.7P-T25.7N-T32.4K-N31.1R-T
FrostyClover, Berseem20.5CD19.4C-E22.3S-U26.3N-S29.3N-P32.9Q-S
LightningClover, Berseem19.9C-E18.9D-F22.7R-U26.7N-R30.3M-P32.7RS
*UF_CC_17Clover, Crimson17.6F-H16.5GH23.8P-T31.5I-L32.4K-N37.7OP
DixieClover, Crimson18.1E-G16.3GH21.3TU31.0J-M29.8M-P37.5O-Q
Kentucky PrideClover, Crimson18.8D-F17.2F-H22.5S-U29.3K-N29.2N-P35.4O-R
GO-PER-12Clover, Persian15.5H-L21.0BC26.2K-P20.4UV36.0H-K23.8VW
DynamiteClover, Red20.1C-E20.7B-D22.7R-U23.3R-U31.9L-O29.1S-U
Q (FL24D)Clover, Red18.2E-G21.2BC25.4M-R24.3P-T34.6I-L29.1S-U
*UF_WC_LateOcoeeClover, White15.4H-M21.3BC25.8L-Q22.4TU36.3H-K25.4U-W
*UF_WC_ML17Clover, White15.1I-M21.4BC25.8L-Q19.0V36.3H-K21.7W
AU MeritVetch, Hairy22.8AB24.5A23.1Q-U27.1N-Q28.3OP31.6R-T
PatagoniaVetch, Hairy23.2AB24.7A22.7R-U26.4N-S29.5N-P30.3ST
WinterKingVetch, Hairy23.6A24.9A22.1S-U25.0O-T27.3P29.2S-U
SurvivorWinter Pea20.6CD21.6B20.5U23.7Q-U28.9N-P30.7ST
Brassicas
VivantHybrid (turnip x rapeseed)14.1K-N11.1KL27.5H-M36.8D-G37.8HI47.2J-M
AerifiRadish15.5H-L12.8JK28.3G-L35.3D-H38.7H44.9J-M
CCS-779Radish15.1I-M12.7JK29.4F-I34.8E-I39.3H44.0L-N
DrillerRadish16.6F-J13.5IJ29.2F-J33.7G-J38.3HI43.6MN
FragiBlasterRadish15.7H-K11.1KL28.5G-L35.1D-H37.8HI44.5K-M
Jackpot Turnip14.7J-N11.0KL28.7G-K37.5B-F39.3H48.0I-M
Mixes
Bates RS4 (20%) + Dixie (80%)Cereal Rye + Crimson Clover13.3M-O12.2JK31.5D-F36.7D-G50.7DE53.8GH
Bates RS4 (20%) + AU Merit (80%)Cereal Rye +
Hairy Vetch
15.6H-K16.0H31.5D-F35.2D-H49.6D-G52.5G-I
Bates RS4 (10%) + Dixie (90%)Cereal Rye + Crimson Clover14.1K-N12.1JK29.7F-H37.7B-E47.7E-G54.2G
Bates RS4 (10%) + AU Merit (90%)Cereal Rye +
Hairy Vetch
17.1F-I17.6E-H30.3E-G33.7G-J46.3FG48.8I-K
Yankee (20%) +
Dixie (80%)
Cereal Rye + Crimson Clover16.7F-J13.3J22.6S-U35.1D-H37.9HI52.3G-I
Yankee (20%) +
AU Merit (80%)
Cereal Rye +
Hairy Vetch
20.1C-E17.1F-H24.1O-S32.4H-K38.2HI48.3I-L
TN1902 (20%) +
Dixie (80%)
Wheat +
Crimson Clover
16.5G-J13.0JK23.1Q-U34.2F-J37.0H-J49.3H-J
TN1902 (20%) +
AU Merit (80%)
Wheat +
Hairy Vetch
21.1BC20.6B-D24.5N-S28.4L-O36.1H-K39.6NO
Cereals
Average9.97.130.737.458.867.8
Min8.05.423.028.645.655.6
Max13.49.736.641.867.674.0
Range5.44.413.713.122.018.4
Legumes
Average18.719.823.525.631.830.7
Min15.115.520.519.027.321.7
Max23.624.926.231.536.337.7
Range8.59.45.712.59.116.0
Brassicas
Average15.312.028.635.538.545.4
Min14.111.027.533.737.843.6
Max16.613.529.437.539.348.0
Range2.52.51.93.81.54.4
Mixes
Average16.815.227.134.242.949.8
Min13.312.122.628.436.139.6
Max21.120.631.537.750.754.2
Range7.88.58.99.314.514.6
Across Groups
Average15.514.526.831.742.146.3
Standard Error4.35.84.46.212.115.9
Min8.05.420.519.027.321.7
Max23.624.936.641.867.674.0
Range15.619.516.222.840.352.3
ANOVA p-values
– Variety<0.001<0.001<0.001<0.001<0.001<0.001
– Location<0.001<0.001N.S.0.014<0.001<0.001
– Variety x Location0.0170.0840.026<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 appropraite calibration for each species. Reported on a 100% DM basis. †† Estimated using quality constituents from NIRS inputted into the UGA cover crop nitrogen calculator.   Table 7-b. Across location mean forage quality of 36 cover crop varieties and 8 mixes planted in early Oct. 2020, in small plot replicated trials, at two University of Tennessee AgResearch and Education Center locations, in Tennessee, and evaluated from Fall 2020 to Spring 2021.
VarietyCommon NameAsh¶   Fat¶   Lignin¶   
AprMayAprMayApr†May
Cereals
Bates RS4Cereal Rye2.6OP0.3U2.1PQ1.6P-R4.8E-J6.5E-I
ElbonCereal Rye2.1P1.6ST2.3M-Q1.9K-O4.1K-Q5.7I-N
NF95319BCereal Rye3.3NO0.6TU2.1Q1.5R4.9E-J6.5E-H
NF97325Cereal Rye2.8OP1.1S-U2.2O-Q1.6P-R4.9E-J6.6E-H
NF99362Cereal Rye2.6OP0.4U2.4I-Q1.5QR4.4G-O6.4F-I
TriCal RayCereal Rye2.6OP1.1S-U2.1Q1.5QR5.1C-G6.7D-G
YankeeCereal Rye3.6NO2.7R3.2AB2.3E-H2.5T5.2L-R
TriCal EXP 20T06Triticale3.5NO1.8RS2.2N-Q1.8L-P3.0R-T4.6P-U
TriCal EXP 21T01Triticale4.0N1.8RS2.3L-Q1.8L-P3.0ST4.7P-U
TriCal Flex 719Triticale3.6NO1.6S2.7D-H2.1H-K2.7ST4.5Q-V
TriCal SurgeTriticale3.5NO1.2S-U2.5E-N2.0I-L2.3T4.8O-T
TN1902Wheat3.5NO1.7S2.9B-D2.3C-H2.4T4.0T-V
Legumes
FIXatioNClover, Balansa9.4A9.9BC2.9B-D2.2G-J4.2I-O4.6Q-U
ParadanaClover, Balansa9.4A9.4CD3.2A-C2.3B-H4.6F-M5.8G-M
TaipanClover, Balansa9.0AB8.9C-F2.8C-E2.2H-K4.5G-O6.0G-M
ViperClover, Balansa9.4A9.0C-F2.7D-J2.3D-I4.1J-O5.3L-Q
FrostyClover, Berseem8.5A-D9.0C-F2.7D-J2.5A-F4.1K-P5.0N-S
LightningClover, Berseem8.8A-D9.1C-F2.7D-I2.4B-H3.9M-Q5.1M-R
*UF_CC_17Clover, Crimson7.6D-H7.0IJ2.5G-O2.0I-L4.6F-M6.9C-F
DixieClover, Crimson8.0B-G7.2HI2.7D-K2.0J-N4.0L-Q6.6E-H
Kentucky PrideClover, Crimson8.3A-D7.4G-I2.5F-O2.0I-L4.2I-O6.2F-K
GO-PER-12Clover, Persian8.5A-D10.9AB2.9B-D2.5A-G5.0C-H3.7V
DynamiteClover, Red8.4A-D8.9D-F2.8C-G2.5A-E3.8O-R4.2S-V
Q (FL24D)Clover, Red8.9A-C9.2C-E2.9B-D2.5A-G4.5G-O4.5Q-V
*UF_WC_LateOcoeeClover, White7.9B-G11.4A2.8C-F2.6AB4.9E-I4.4R-V
*UF_WC_ML17Clover, White8.4A-D10.8AB3.4A2.6A-E4.9D-I3.9UV
AU MeritVetch, Hairy8.1B-E8.2E-G2.7D-L2.7A4.9E-I5.8H-M
PatagoniaVetch, Hairy7.8C-G8.1F-H2.7D-H2.6A-C4.6F-N5.5J-O
WinterKingVetch, Hairy8.0B-F8.4D-F2.7D-H2.7A4.7F-L5.1M-R
SurvivorWinter Pea8.5A-D9.1C-F2.8D-H2.6AB3.4P-S4.1T-V
Brassicas
VivantHybrid (turnip x rapeseed)6.2I-M4.3PQ2.6E-M2.2H-K5.3B-F8.2AB
AerifiRadish6.9F-J6.5I-K2.5H-P1.7O-R5.7A-C8.0AB
CCS-779Radish6.8G-K6.4I-L2.5H-P1.7N-R6.2A7.5B-D
DrillerRadish6.9E-L6.1J-M2.3L-Q1.8L-P6.1AB7.2C-E
FragiBlasterRadish6.5H-M5.7K-O2.3K-Q1.7N-R5.7A-D7.7BC
Jackpot Turnip6.0I-M5.2M-P2.6D-M2.2G-J5.5B-E8.5A
Mixes
Bates RS4 (20%) + Dixie (80%)Cereal Rye + Crimson Clover5.7J-M4.1Q2.4J-Q1.9K-O4.6F-N6.3F-J
Bates RS4 (20%) + AU Merit (80%)Cereal Rye +
Hairy Vetch
5.7K-M4.7O-Q2.4H-P2.2F-I4.8E-K6.2F-K
Bates RS4 (10%) + Dixie (90%)Cereal Rye + Crimson Clover5.6M4.8N-Q2.5H-O1.7M-Q4.6G-N6.5E-H
Bates RS4 (10%) + AU Merit (90%)Cereal Rye +
Hairy Vetch
6.2I-M5.8K-N2.4H-P2.3B-H4.8E-K5.8H-N
Yankee (20%) +
Dixie (80%)
Cereal Rye + Crimson Clover5.6M5.5L-O2.9B-D2.2F-I3.3Q-S5.7I-N
Yankee (20%) +
AU Merit (80%)
Cereal Rye +
Hairy Vetch
6.3I-M6.7I-K2.9B-D2.6A-D3.8N-Q5.4K-P
TN1902 (20%) +
Dixie (80%)
Wheat +
Crimson Clover
5.6LM4.8N-Q2.7D-H2.0I-M3.7O-R6.0G-L
TN1902 (20%) +
AU Merit (80%)
Wheat +
Hairy Vetch
6.9E-I7.4G-I2.7D-I2.7A4.4H-O5.4K-P
Cereals
Average3.11.32.41.83.75.5
Min2.10.32.11.52.34.0
Max4.02.73.22.35.16.7
Range1.92.41.10.92.82.7
Legumes
Average8.59.02.82.44.45.1
Min7.67.02.52.03.43.7
Max9.411.43.42.75.06.9
Range1.84.40.90.71.73.2
Brassicas
Average6.55.72.51.95.77.9
Min6.04.32.31.75.37.2
Max6.96.52.62.26.28.5
Range0.92.30.30.50.91.3
Mixes
Average5.95.52.62.24.25.9
Min5.64.12.41.73.35.4
Max6.97.42.92.74.86.5
Range1.43.20.60.91.51.1
Across Groups
Average6.35.82.62.14.35.8
Standard Error2.33.30.30.40.91.2
Min2.10.32.11.52.33.7
Max9.411.43.42.76.28.5
Range7.411.11.31.23.94.8
ANOVA p-values
– Variety<0.001<0.001<0.001<0.001<0.001<0.001
– Location<0.001<0.001N.S.N.S.<0.001<0.001
– Variety x Location0.0180.048N.S.N.S.<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 appropraite 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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