Table 11-4

Table 11-4. Crude protein concentrations in tall fescue compared with other cool-season grasses when harvested for hay or silage.

Location†	Forage‡	Fescue cultivar	Management			Crude protein	References
Location†	Forage‡	Fescue cultivar	Season	General	Fert.	Crude protein	References
					kg/ha	g/kg
A. Tall fescue vs. other cool-season grasses
WA	TF	Alta		Mixed		77	Comstock and Low, 1948
	SB			with		70
	OG			alfalfa		87
PA	TF	Alta				110	Phillips et al., 1954
	OG					89
	RC					114
	SB					101
	BG					123
MD	TF	KY-31			0 N	114
					90 N	124
					180 N	155	Wagner, 1954
	OG				0 N	100
					90 N	117
					180 N	147
	BG				0 N	128
					90 N	151
					180 N	159
NJ	TF	Alta				130	Duell, 1960
	OG					134
	RC					163
	SB					157
	BG					138
WA	TF	Alta		Anthesis		68	Sosulski and Patterson, 1961
	SB					79
	OG					67
KY	TF	KY-31	Spring		50 N	211	Hojjati et al., 1973
					100 N	283
					150 N	303
					200 N	325
	BG				50 N	270
					100 N	306
					150 N	321
					200 N	328
MN	TF	KY-31		2 cuts		129	Marten and Hovin, 1980
	OG					127
	RC					132
	SB					140
	TF	KY-31		3 cuts		138
	OG					148
	RC					169
	SB					166
	TF	KY-31		4 cuts		155
	OG					165
	RC					210
	SB					202
VA	TF	KY-31	Summer			94	Rayburn et al., 1980
	OG					136
TX	TF	Fawn	Spring	Irrigated		140	Eck et al., 1981
	OG		Summer			157
PA	TF	KY-31	Summer		Low P	144	Morris et al., 1982
					High P	127
	OG				Low P	160
					High P	154
MN	TF	KY-31	All			139	Sheaffer and Marten, 1986
	RC					145
	SB					147
	BG					155
	OG					149
TN	TF	Johnstone				181	Baxter et al., 1986
		Kenhy				166
	OG					170
WV	TF	Kenhy	Spring			98	Barker et al., 1988
	OG					91
	TF	Kenhy	Fall			93
	OG					101
WV	TF	Kenhy	Spring			88	Prigge et al., 1999
	OG					87
	TF	Kenhy	Fall			137
	OG					143
B. Among tall fescue cultivars
KY	TF	KY-31		Soilage		128	Ghorbani et al., 1991
	TF	Kenhy				133
	TF	Johnstone				141
ID	TF	KY-31	July			90	Burns et al., 2001
		Kenhy				94
		HiMag				89
		Barcel				92
		Stargraze				82
		MO-96				86
		Mozark				89
		KY-31	Aug.			227
		Kenhy				230
		HiMag				227
		Barcel				238
		Stargraze				229
		MO-96				232
		Mozark				228
C. Nitrogen fertilization
WV	TF	KY-31	Initial		0 N	127	Reid and Jung, 1965
			Growth		56 N	195
					168 N	237
					504 N	238
			Regrowth		0 N	98
					56 N	139
					168 N	179
					504 N	186
KY	TF	KY-31	Spring		50 N	211	Hojjati et al., 1973
					100 N	283
					150 N	303
					200 N	325
TX	TF	KY-31	Spring		0 N	108	Eck et al., 1981
			Summer		65 N	126
					336 N	153
					504 N	171
					672 N	185
D. Other managements

GA	TF	KY-31		Dry		167	Craigmiles and Crowder, 1960
				Irrigated		145
GA	TF	KY-31		Cool		128	Smith, 1977
				Hot		122
TX	TF	Fawn	Spring	50 cm Irr.		156	Eck et al., 1981
			Summer	100 cm Irr.		139
KY	TF	KY-31	21 Apr.	31 May		111	Robb et al., 1982
			-GR§	15 July		93
				18 Aug.		104
			+GR	31 May		95
				15 July		104
				18 Aug.		106
			6 June	14 July		116
			-GR	18 Aug.		104
			+GR	14 July		134
				18 Aug.		118
TN	TF	KY-31	Apr.	9 July		-	Reynolds et al., 1993
			-GR			109
			+GR			119
AK	TF	KY-31	Boot	Fresh		169	Turner et al., 1993
			Mature	Fresh		90
				Silage		140

† State where data were collected.

‡ TF = tall fescue; OG = orchardgrass; RC = reed canarygrass; SB = smooth bromegrass; BG = Kentucky blue grass.

§ Growth regulator.

<--Harvested and Stored as Hay or Silage

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Tall Fescue Monograph

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Table 11-4

A. Tall fescue vs. other cool-season grasses

B. Among tall fescue cultivars

C. Nitrogen fertilization

D. Other managements

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