Table 15. Early Oct. Planted, Spring Hill, TN, Forage Quality

Table 15-a. By location mean forage quality 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.

Variety	Common Name	CP¶				ADF¶				NDF¶
		Apr		May		Apr		May		Apr		May
Cereals
Bates RS4	Cereal Rye	8.5	T	6.0	S	36.0	AB	41.7	A	65.8	AB	73.6	A
Elbon	Cereal Rye	9.2	T	9.1	P-R	34.4	A-C	36.4	BC	67.2	AB	67.1	BC
NF95319B	Cereal Rye	9.4	T	6.6	RS	34.2	A-C	41.6	A	62.7	B-D	74.4	A
NF97325	Cereal Rye	8.7	T	6.6	RS	35.6	AB	41.1	AB	66.3	AB	72.6	AB
NF99362	Cereal Rye	9.8	T	6.3	RS	33.4	B-D	41.9	A	64.4	A-C	75.7	A
TriCal Ray	Cereal Rye	8.4	T	6.2	RS	37.9	A	41.8	A	69.4	A	73.2	AB
Yankee	Cereal Rye	13.8	Q-S	8.8	P-S	24.2	I-O	32.8	C-J	50.9	FG	60.8	CD
TriCal EXP 20T06	Triticale	9.2	T	7.5	Q-S	31.2	C-F	35.5	CD	59.1	C-E	65.7	C
TriCal EXP 21T01	Triticale	10.0	T	8.0	Q-S	29.7	D-G	33.6	C-I	57.7	DE	63.0	C
TriCal Flex 719	Triticale	11.3	R-T	8.7	P-S	28.0	E-I	31.7	C-L	56.2	EF	61.1	C
TriCal Surge	Triticale	11.2	ST	9.9	O-Q	27.5	F-J	33.8	C-H	54.9	EF	64.9	C
TN1902	Wheat	14.0	Q-S	11.2	N-P	22.8	L-P	27.7	K-P	46.6	G	54.3	DE
Legumes
FIXatioN	Clover, Balansa	18.4	G-L	18.7	C-F	22.0	L-Q	21.7	QR	25.1	N-P	25.6	NO
Paradana	Clover, Balansa	17.9	I-N	15.3	G-L	24.9	H-N	29.9	G-N	29.1	K-O	34.8	I-M
Taipan	Clover, Balansa	18.1	H-M	16.0	F-K	23.0	L-P	28.7	J-P	27.3	L-P	33.2	K-M
Viper	Clover, Balansa	21.1	D-H	16.9	E-I	20.4	O-Q	25.5	N-Q	22.1	P	30.1	MN
Frosty	Clover, Berseem	21.8	C-F	19.2	C-E	22.8	L-P	26.2	M-Q	27.0	M-P	31.7	MN
Lightning	Clover, Berseem	21.6	C-F	18.4	C-F	21.7	L-Q	26.3	M-Q	25.8	M-P	31.7	MN
*UF_CC_17	Clover, Crimson	20.4	D-J	17.7	D-H	21.7	M-Q	29.0	G-O	26.4	M-P	34.6	I-M
Dixie	Clover, Crimson	21.3	C-G	17.2	E-I	19.4	PQ	28.0	J-P	24.2	OP	33.7	J-M
Kentucky Pride	Clover, Crimson	21.9	C-E	17.8	D-G	18.7	Q	27.3	L-P	22.9	P	32.9	LM
GO-PER-12	Clover, Persian	16.1	K-Q	21.4	A-C	27.5	F-J	21.6	QR	33.0	I-L	23.1	O
Dynamite	Clover, Red	22.9	A-D	20.4	B-D	21.4	N-Q	23.8	P-R	26.5	M-P	28.4	M-O
Q (FL24D)	Clover, Red	20.8	D-I	21.3	A-C	25.3	H-M	26.1	M-Q	30.9	I-M	30.2	MN
*UF_WC_LateOcoee	Clover, White	16.7	K-Q	19.1	C-E	25.4	H-M	28.8	I-O	30.6	J-N	32.4	M
*UF_WC_ML17	Clover, White	16.7	K-Q	20.5	B-D	24.4	I-N	20.4	R	29.4	K-O	22.6	O
AU Merit	Vetch, Hairy	24.2	A-C	23.0	AB	23.9	J-O	30.0	F-N	26.9	M-P	34.3	I-M
Patagonia	Vetch, Hairy	25.4	AB	23.7	A	23.3	K-P	27.7	K-P	27.0	M-P	30.7	MN
WinterKing	Vetch, Hairy	25.8	A	23.3	AB	21.6	M-Q	27.2	L-P	24.3	OP	30.6	MN
Survivor	Winter Pea	22.3	CD	20.6	B-D	20.4	O-Q	24.3	O-R	27.2	M-P	31.4	MN
Brassicas
Vivant	Hybrid (turnip x rapeseed)	14.7	O-Q	12.3	M-O	27.1	G-K	33.9	C-G	36.2	H-J	43.3	GH
Aerifi	Radish	16.2	K-Q	12.8	L-O	28.4	E-H	31.4	D-L	36.0	H-J	39.4	H-L
CCS-779	Radish	15.6	L-Q	14.4	I-M	28.4	E-H	30.6	E-M	35.3	H-J	39.4	H-L
Driller	Radish	18.7	E-L	14.6	I-M	28.5	E-I	31.5	C-L	34.5	H-K	39.7	H-K
FragiBlaster	Radish	17.5	J-O	12.6	L-O	27.1	G-K	31.4	D-L	34.1	H-K	39.9	H-J
Jackpot	Turnip	14.9	N-Q	12.1	M-O	29.6	D-G	35.0	C-E	38.8	H	44.4	F-H
Mixes
Bates RS4 (20%) + Dixie (80%)	Cereal Rye + Crimson Clover	14.4	P-R	13.7	J-N	30.1	D-G	35.8	CD	47.9	G	50.0	EF
Bates RS4 (20%) + AU Merit (80%)	Cereal Rye + Hairy Vetch	17.1	K-P	17.3	E-I	31.4	C-E	34.8	C-F	48.4	G	49.9	EF
Bates RS4 (10%) + Dixie (90%)	Cereal Rye + Crimson Clover	15.3	M-Q	13.7	K-N	29.6	D-G	36.0	CD	46.1	G	50.6	EF
Bates RS4 (10%) + AU Merit (90%)	Cereal Rye + Hairy Vetch	18.8	F-K	18.8	C-F	31.1	C-F	33.8	C-H	45.3	G	47.9	E-G
Yankee (20%) + Dixie (80%)	Cereal Rye + Crimson Clover	18.5	G-L	13.6	K-N	22.3	L-Q	34.8	C-F	34.6	H-K	50.4	EF
Yankee (20%) + AU Merit (80%)	Cereal Rye + Hairy Vetch	22.9	A-D	16.7	E-J	25.5	H-M	32.2	C-K	35.6	H-J	47.2	FG
TN1902 (20%) + Dixie (80%)	Wheat + Crimson Clover	18.1	H-M	14.7	H-M	23.5	K-O	32.7	C-J	35.2	H-J	45.2	F-H
TN1902 (20%) + AU Merit (80%)	Wheat + Hairy Vetch	22.4	B-D	20.8	A-C	25.6	H-L	29.0	H-O	36.3	HI	40.3	HI
Cereals
Average		10.3		7.9		31.2		36.6		60.1		67.2
Min		8.4		6.0		22.8		27.7		46.6		54.3
Max		14.0		11.2		37.9		41.9		69.4		75.7
Range		5.6		5.2		15.0		14.3		22.8		21.5
Legumes
Average		20.8		19.5		22.7		26.3		27.0		30.7
Min		16.1		15.3		18.7		20.4		22.1		22.6
Max		25.8		23.7		27.5		30.0		33.0		34.8
Range		9.7		8.4		8.8		9.6		10.8		12.1
Brassicas
Average		16.3		13.1		28.2		32.3		35.8		41.0
Min		14.7		12.1		27.1		30.6		34.1		39.4
Max		18.7		14.6		29.6		35.0		38.8		44.4
Range		4.1		2.5		2.6		4.3		4.8		5.0
Mixes
Average		18.5		16.2		27.4		33.6		41.2		47.7
Min		14.4		13.6		22.3		29.0		34.6		40.3
Max		22.9		20.8		31.4		36.0		48.4		50.6
Range		8.5		7.2		9.2		7.0		13.8		10.3
Across Groups
Average		16.9		14.8		26.6		31.3		39.8		45.1
Standard Error		5.0		5.2		4.8		5.5		14.5		15.7
Min		8.4		6.0		18.7		20.4		22.1		22.6
Max		25.8		23.7		37.9		41.9		69.4		75.7
Range		17.4		17.7		19.1		21.5		47.3		53.1
ANOVA p-values
– Variety		<0.001		<0.001		<0.001		<0.001		<0.001		<0.001
– Location		<0.001		<0.001		N.S.		0.014		<0.001		<0.001
– Variety x Location		0.017		0.084		0.026		<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 15-b. By location mean forage quality of 36 cover crop varieties and 8 mixes planted in early Oct. 2020, in small plot replicated trials, at at the Middle Tennessee AgResearch and Education Center, in Spring Hill, Tennessee, and evaluated from Fall 2020 to Spring 2021.

Variety	Common Name	Ash¶				Fat¶				Lignin¶
		Apr		May		Apr		May		Apr†		May
Cereals
Bates RS4	Cereal Rye	3.3	O-Q	0.6	U	2.1	LM	1.6	LM	5.0	F-L	6.3	B-F
Elbon	Cereal Rye	1.6	Q	2.8	P-R	2.2	J-M	2.2	C-I	4.5	H-Q	4.7	I-K
NF95319B	Cereal Rye	4.5	M-P	1.0	TU	2.3	I-M	1.7	J-M	4.3	I-Q	6.1	C-G
NF97325	Cereal Rye	3.1	O-Q	1.2	S-U	2.3	I-M	1.6	K-M	4.9	G-N	6.3	B-F
NF99362	Cereal Rye	3.0	PQ	0.8	U	2.5	G-M	1.6	K-M	4.2	J-Q	6.0	C-H
TriCal Ray	Cereal Rye	3.1	O-Q	1.6	R-U	2.0	M	1.6	M	5.3	D-J	6.2	B-F
Yankee	Cereal Rye	4.0	OP	3.5	O-Q	3.2	BC	2.4	A-D	2.6	TU	3.9	KL
TriCal EXP 20T06	Triticale	4.3	OP	2.1	R-U	2.2	K-M	1.8	I-M	3.0	R-U	4.0	KL
TriCal EXP 21T01	Triticale	4.5	M-P	2.9	O-R	2.3	I-M	1.9	G-M	3.0	R-U	4.2	KL
TriCal Flex 719	Triticale	4.4	N-P	2.5	Q-S	2.7	D-I	2.3	B-F	2.8	S-U	3.4	L
TriCal Surge	Triticale	4.6	L-O	1.8	R-U	2.5	G-L	2.3	A-F	2.2	U	4.1	KL
TN1902	Wheat	4.0	OP	2.3	Q-T	3.0	B-F	2.4	A-D	2.3	U	3.2	L
Legumes
FIXatioN	Clover, Balansa	11.1	AB	10.9	AB	2.9	B-G	2.4	A-E	4.8	G-O	4.1	KL
Paradana	Clover, Balansa	10.7	A-C	9.1	D-F	3.3	B	2.2	B-H	5.5	C-H	6.2	B-F
Taipan	Clover, Balansa	10.5	A-D	9.0	D-G	2.7	D-I	2.2	C-I	5.2	E-K	6.0	C-H
Viper	Clover, Balansa	11.9	A	9.0	D-G	2.6	F-L	2.3	A-F	3.9	M-R	5.0	G-K
Frosty	Clover, Berseem	9.2	C-F	8.9	D-G	2.6	E-K	2.4	A-D	4.2	K-Q	4.9	G-K
Lightning	Clover, Berseem	9.4	C-F	9.3	C-E	2.6	E-K	2.4	A-E	4.0	L-R	5.0	G-K
*UF_CC_17	Clover, Crimson	8.2	F-I	7.2	H-L	2.4	H-M	2.0	E-K	4.6	H-Q	6.4	B-F
Dixie	Clover, Crimson	9.1	C-F	7.3	H-K	2.7	E-J	2.0	E-K	4.1	L-Q	5.8	E-I
Kentucky Pride	Clover, Crimson	8.6	E-H	7.7	G-J	2.6	F-L	2.0	E-K	3.8	O-S	5.6	F-I
GO-PER-12	Clover, Persian	9.3	C-F	11.3	A	3.1	B-E	2.5	A-C	6.3	A-D	4.2	KL
Dynamite	Clover, Red	9.3	C-F	9.3	C-E	2.8	C-H	2.4	A-D	3.8	N-S	4.3	J-L
Q (FL24D)	Clover, Red	10.3	A-E	9.6	B-D	3.2	B-D	2.4	A-D	5.0	F-M	4.9	H-K
*UF_WC_LateOcoee	Clover, White	8.9	D-G	11.4	A	2.8	C-H	2.5	A-C	5.9	B-G	5.6	F-I
*UF_WC_ML17	Clover, White	10.0	B-E	10.6	A-C	4.0	A	2.5	A-C	5.7	B-G	4.3	J-L
AU Merit	Vetch, Hairy	8.9	D-G	8.0	E-H	2.6	E-K	2.5	A-C	5.3	D-I	6.2	B-F
Patagonia	Vetch, Hairy	8.3	F-H	8.2	E-H	2.7	E-J	2.6	AB	5.2	E-K	5.7	E-I
WinterKing	Vetch, Hairy	7.9	F-J	7.8	F-I	2.7	D-I	2.5	A-C	4.9	G-M	5.5	F-J
Survivor	Winter Pea	8.7	E-H	9.1	D-G	2.7	D-I	2.7	A	3.5	Q-T	4.2	KL
Brassicas
Vivant	Hybrid (turnip x rapeseed)	6.2	K-M	4.2	NO	2.7	D-I	2.0	E-K	5.7	B-G	7.3	AB
Aerifi	Radish	7.1	H-K	6.5	I-M	2.6	F-L	1.8	J-M	6.6	A-C	7.0	A-D
CCS-779	Radish	7.2	G-K	6.4	I-M	2.7	D-I	1.7	J-M	7.0	A	6.3	B-F
Driller	Radish	7.5	F-K	6.3	J-M	2.3	H-M	1.8	H-M	6.8	AB	6.8	A-E
FragiBlaster	Radish	6.5	I-K	6.4	J-M	2.4	G-M	1.8	I-M	6.0	A-F	7.1	A-C
Jackpot	Turnip	6.3	J-L	5.3	MN	2.6	F-L	2.1	D-J	6.1	A-E	7.7	A
Mixes
Bates RS4 (20%) + Dixie (80%)	Cereal Rye + Crimson Clover	6.1	K-M	4.3	NO	2.4	G-M	2.0	F-L	4.5	H-Q	5.9	D-H
Bates RS4 (20%) + AU Merit (80%)	Cereal Rye + Hairy Vetch	6.1	K-M	5.8	LM	2.5	G-M	2.4	A-D	5.0	F-L	5.6	F-I
Bates RS4 (10%) + Dixie (90%)	Cereal Rye + Crimson Clover	6.0	K-N	5.1	MN	2.4	G-M	1.9	G-M	4.6	H-P	6.1	C-G
Bates RS4 (10%) + AU Merit (90%)	Cereal Rye + Hairy Vetch	6.5	I-K	5.9	K-M	2.3	H-M	2.5	A-C	5.1	F-L	5.6	F-I
Yankee (20%) + Dixie (80%)	Cereal Rye + Crimson Clover	6.4	JK	5.1	MN	2.8	C-H	2.2	B-G	3.7	P-S	5.5	F-J
Yankee (20%) + AU Merit (80%)	Cereal Rye + Hairy Vetch	7.3	G-K	6.2	K-M	2.8	C-H	2.6	AB	4.9	G-M	5.5	F-J
TN1902 (20%) + Dixie (80%)	Wheat + Crimson Clover	6.5	I-K	4.1	N-P	2.6	F-L	2.1	D-J	4.1	L-Q	5.7	F-I
TN1902 (20%) + AU Merit (80%)	Wheat + Hairy Vetch	7.0	H-K	7.0	H-L	2.6	E-K	2.6	AB	4.8	G-O	5.4	F-J
Cereals
Average		3.7		1.9		2.4		1.9		3.7		4.9
Min		1.6		0.6		2.0		1.6		2.2		3.2
Max		4.6		3.5		3.2		2.4		5.3		6.3
Range		3.0		2.9		1.2		0.9		3.0		3.1
Legumes
Average		9.5		9.1		2.8		2.4		4.8		5.2
Min		7.9		7.2		2.4		2.0		3.5		4.1
Max		11.9		11.4		4.0		2.7		6.3		6.4
Range		4.0		4.2		1.7		0.7		2.8		2.2
Brassicas
Average		6.8		5.9		2.5		1.9		6.4		7.1
Min		6.2		4.2		2.3		1.7		5.7		6.3
Max		7.5		6.5		2.7		2.1		7.0		7.7
Range		1.4		2.3		0.4		0.3		1.3		1.4
Mixes
Average		6.5		5.5		2.6		2.3		4.6		5.7
Min		6.0		4.1		2.3		1.9		3.7		5.4
Max		7.3		7.0		2.8		2.6		5.1		6.1
Range		1.2		2.8		0.5		0.7		1.4		0.6
Across Groups
Average		7.0		6.0		2.6		2.2		4.7		5.5
Standard Error		2.5		3.1		0.4		0.3		1.2		1.1
Min		1.6		0.6		2.0		1.6		2.2		3.2
Max		11.9		11.4		4.0		2.7		7.0		7.7
Range		10.3		10.8		2.0		1.1		4.8		4.5
ANOVA p-values
– Variety		<0.001		<0.001		<0.001		<0.001		<0.001		<0.001
– Location		<0.001		<0.001		N.S.		N.S.		<0.001		<0.001
– Variety x Location		0.018		0.048		N.S.		N.S.		<0.001		<0.001