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NORTH DAKOTA Agricultural Experiment Station, Fargo, ND; seeded 1997, dryland.
   

2000 forage yield by harvest

         
3-cut:

Entry 4-cut:

5-23 6-30 7-28           97-00 Relative yield
5-31 7-6 8-4 9-15 total 1999 1998 1997 total

2000

97-00

   

--------------------------------------------tons dry matter/acre---------------------------------

---% of Vernal--
     

3-cut system

     
                         
DK 127   3.11 1.97 1.72   6.80 7.50 7.64 2.26 24.20 116 114
DK 140   3.01 1.98 1.66   6.65 7.55 7.74 2.18 24.13 114 113
5312   3.16 2.01 1.66   6.83 7.64 7.87 2.23 24.57 117 115
5347LH   2.97 1.88 1.57   6.42 7.11 7.40 2.09 23.03 110 108
5454   3.24 2.18 1.78   7.20 7.35 7.63 2.12 24.31 123 114
645   3.08 1.90 1.47   6.45 7.04 7.46 2.40 23.36 110 110
Columbia 2000   2.95 1.85 1.50   6.30 6.93 8.08 2.12 23.43 108 110
2444   3.03 1.84 1.53   6.40 7.03 7.50 2.17 23.10 109 108
Feast   2.84 1.99 1.58   6.41 7.44 7.01 2.26 23.12 109 108
Imperial   2.88 1.86 1.60   6.34 7.46 7.27 2.19 23.27 108 109
Vernal (Foun.)   2.94 1.80 1.49   6.23 6.79 7.11 2.17 22.30 106 105
Vernal (Cert.)   2.60 1.66 1.22   5.48 6.15 6.64 2.03 20.31 94 95
                         
Mean   2.98 1.91 1.57   6.46 7.16 7.45 2.19 23.26 110 109
LSD (0.05)   0.23 0.14 0.16   0.32 0.67 0.61 0.15 1.11 5.4 5.2
CV (%)   5.4 4.9 6.9   3.4 6.4 5.6 4.7 3.3 3.4 3.3
MCV (%)   7.8 7.1 10.0   4.9 9.3 8.1 6.8 4.7 4.9 4.7
LSR (%)   37.0 26.0 62.0   19.0 44.8 42.0 41.0 26.0 19.0 26.0
               
     

4-cut system

     
                         
DK 127   2.11 1.73 1.43 1.25 6.52 5.44 6.74 3.22 21.92 101 96
DK 140   2.15 1.87 1.56 1.33 6.91 6.29 7.00 3.22 23.43 107 103
5312   2.58 1.98 1.41 1.44 7.41 7.14 7.08 3.44 25.07 114 110
5347LH   2.22 1.62 1.33 1.29 6.46 5.98 6.68 3.04 22.17 100 97
5454   2.26 1.83 1.62 1.41 7.12 6.84 7.27 3.10 24.33 110 107
645   2.35 1.79 1.43 1.32 6.89 6.25 6.92 3.25 23.31 106 102
Columbia 2000   2.22 1.60 1.43 1.34 6.59 6.30 7.31 3.39 23.59 102 104
2444   2.43 1.73 1.36 1.34 6.86 6.45 7.08 3.36 23.76 106 104
Feast   2.30 1.73 1.48 1.27 6.78 6.50 6.92 3.19 23.39 105 103
Imperial   2.29 1.66 1.47 1.30 6.72 5.81 6.87 3.24 22.64 104 100
Vernal (Foun.)   2.47 1.68 1.35 1.27 6.77 6.41 6.76 3.22 23.17 105 102
Vernal (Cert.)   2.26 1.54 1.17 1.21 6.18 6.53 6.49 3.13 22.33 95 98
                         
Mean   2.30 1.73 1.42 1.31 6.77 6.33 6.93 3.23 23.25 104 102
LSD (0.05)   0.25 0.21 0.12 0.14 0.48 0.86 0.51 0.27 1.61 7.5 7.1
CV (%)   7.6 8.5 5.6 7.2 5.0 9.4 5.1 5.7 4.8 5.0 4.8
MCV (%)   11.0 12.3 8.4 10.4 7.2 13.6 7.3 8.2 6.9 7.2 6.9
LSR (%)   53.0 48.0 27.0 60.0 39.0 50.6 65.0 66.0 51.0 39.0 51.0
                         

�Design: Splitplot, cuts = mainplot Fertilization: 50 P & 100 K lb/acre Soil type: Fargo clay
Seeding method: Broadcast Cuttings: 1997 (1/2), 98-00 (3/4) Replicates: Four
Seeding rate: 25 lb/acre Plot size: 3 by 18 ft Herbicide: None in 2000
Seeding date: May 27, 1997 Harvest plot: 34" by 13 ft Insecticide: None in 2000

Seed obtained from Dan Undersander at University of Wisconsin

Forage yield based on two replicates that had acceptable stands to leave in following winter kill in 1998-99.
#
F - test nonsignificant 


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