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NDSU Main Station * North Dakota Agricultural Experiment Station
315 Morrill, NDSU Fargo, ND 58105, Voice: (701) 231-7655 fax: (701) 231-8520


NORTH DAKOTA Agricultural Experiment Station, Carrington, ND; seeded 1997, irrigated.

1998 forage yield
3-cut: 6-8 7-16 8-17 97-98 % of Vernal
Entry 4-cut: 6-1 7-8 8-7 10-26 total 1997 total 1998 97-98
---------------------- tons dry matter/acre ----------------------------
3-cut system
DK 127 3.43 2.07 1.74 7.24 1.70 8.86 100 101
DK 140 3.53 2.12 1.60 7.25 1.74 8.99 100 102
5312 3.32 2.08 1.65 7.05 1.79 8.84 98 100
5347LH 3.53 2.26 1.63 7.42 1.66 9.07 103 103
5454 3.57 2.15 1.74 7.46 1.66 9.12 103 104
620 3.76 2.10 1.54 7.40 1.71 9.11 102 103
Columbia 2000 3.73 2.14 1.66 7.53 1.61 9.06 104 103
WL 324 3.44 2.13 1.62 7.19 1.72 8.91 100 101
WL 325 HQ 3.41 2.21 1.72 7.34 1.59 8.92 102 101
Vernal Foun 3.43 2.13 1.52 7.08 1.69 8.77 98 100
Vernal Cert 3.90 1.91 1.56 7.37 1.46 8.83 102 100
Mean 3.54 2.11 1.63 7.29 1.66 8.94 101 102
LSD (0.05) 0.49 0.25 0.21 0.70 0.17 0.71 9.7 8.2
CV (%) 9.6 8.4 8.8 6.7 7.1 5.6 6.7 5.6
MCV (%) 13.9 12.1 12.7 9.7 10.2 8.0 9.7 8.0
LSR (%) 85 73 95 276 51 204 276 204

4-cut system
DK 127 2.49 1.56 1.63 1.16 6.84 3.02 9.87 103 106
DK 140 2.55 1.61 1.67 1.17 7.00 2.83 9.83 106 106
5312 2.80 1.65 1.68 1.25 7.39 2.79 10.18 111 110
5347LH 2.60 1.74 1.52 1.36 7.22 2.87 10.09 109 109
5454 2.63 1.63 1.55 1.21 7.02 2.88 9.90 106 107
620 2.58 1.76 1.67 1.30 7.31 2.89 10.21 110 110
Columbia 2000 2.61 1.60 1.62 1.23 7.06 3.08 10.14 106 109
WL 324 2.54 1.56 1.67 1.24 7.01 2.98 9.99 106 108
WL 325 HQ 2.71 1.53 1.74 1.20 7.18 2.83 10.01 108 108
Vernal Foun 2.42 1.57 1.43 1.04 6.46 2.54 9.00 97 97
Vernal Cert 2.83 1.50 1.43 1.04 6.80 2.73 9.53 103 103
Mean 2.61 1.61 1.60 1.20 7.03 2.86 9.89 106 107
LSD 0.30 0.17 0.18 0.17 0.43 0.20 0.51 6.5 5.6
CV (%) 7.9 7.4 7.7 9.8 4.3 4.7 3.6 4.3 3.6
MCV 11.4 10.7 11.2 14.2 6.1 6.8 5.2 6.1 5.1
LSR (%) 72 69 58 53 46 36 44 46 43

†Design: Splitplot, cuts = mainplot Fertilization: 50P & 100 K lb/acre Soil type: Kief loam
Seeding method: Broadcast Cuttings: 1997 (1 / 2), 1998 (3 / 4) Replicates: Four
Seeding rate: 25 lb/acre Plot size: 3 by 18 ft Herbicide: None in 1998
Seeding date: May 27, 1997 Harvest plot: 3 by 13 ft Insecticide: None
Seed obtained from Dan Undersander at University of Wisconsin
F - test nonsignificant


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Email: mpeel@ndsuext.nodak.edu