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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.
    1999 forage yield by harvest        
  3-cut: 6-17 7-21 8-24           97-99   % of Vernal
Entry 4-cut: 6-11 7-14 8-16 10-13 total total 1998 1997 total   1999 97-99
    -------------------------------tons dry matter/acre-------------------------      
          3-cut system            
DK 127   3.18 1.67 1.39   6.24 6.51 7.21 1.68 15.13   101.3 101.2
DK 140   3.09 1.85 1.55   6.49 6.66 7.25 1.74 15.48   105.4 103.5
5312   3.43 1.86 1.65   6.94 7.11 7.05 1.79 15.78   112.6 105.4
5347LH   3.06 1.75 1.35   6.16 6.50 7.42 1.66 15.23   100.0 101.8
5454   3.10 1.87 1.54   6.51 6.65 7.46 1.66 15.64   105.7 104.5
620   3.13 1.68 1.40   6.21 6.32 7.40 1.71 15.31   100.8 102.3
Columbia 2000   3.35 1.76 1.28   6.39 6.74 7.56 1.61 15.56   103.7 104.0
WL 324   3.17 1.91 1.56   6.64 6.71 7.19 1.72 15.55   107.7 103.9
WL 325 HQ   3.12 1.90 1.53   6.55 6.65 7.38 1.59 15.52   106.3 103.7
Vernal (Foun.)   3.01 1.85 1.40   6.26 6.34 7.08 1.69 15.03   101.6 100.5
Vernal (Cert.)   3.02 1.65 1.39   6.06 6.06 7.37 1.46 14.89   98.4 99.5
                           
Mean   3.15 1.79 1.46   6.40 6.57 7.31 1.66 15.37   104.0 102.8
LSD (0.05)   0.40# 0.29# 0.22   0.55# 1.07# 0.70# 0.17 0.94#   8.9# 6.3#
CV (%)   8.8 11.2 10.5   5.9 7.3 6.7 7.1 4.2   5.9 4.2
MCV (%)   12.7 16.2 15.1   8.6 16.2 9.7 10.2 6.1   8.6 6.1
LSR (%)   95.5 111.9 59.7   62.5 101.5 276.0 51 105.2   62.5 105.2
                           
          4-cut system            
DK 127   1.51 1.06 1.00 0.54 4.11 5.46 6.84 3.02 13.97   96.1 103.3
DK 140   1.39 0.90 0.77 0.36 3.42 5.23 7.00 2.83 13.25   80.1 98.0
5312   2.04 1.25 1.15 0.61 5.05 5.82 7.39 2.79 15.23   118.2 112.6
5347LH   1.49 1.09 0.83 0.44 3.85 5.89 7.22 2.87 13.94   90.0 103.0
5454   1.53 0.74 0.65 0.34 3.26 5.99 7.02 2.88 13.16   76.3 97.3
620   1.90 0.96 0.87 0.50 4.23 6.15 7.31 2.89 14.44   99.0 106.7
Columbia 2000   1.68 0.89 0.80 0.41 3.78 5.68 7.06 3.08 13.92   88.5 102.9
WL 324   1.87 1.24 1.19 0.64 4.94 5.84 7.01 2.98 14.93   115.7 110.4
WL 325 HQ   1.82 1.36 1.09 0.59 4.86 5.58 7.18 2.83 14.87   113.7 109.9
Vernal (Foun.)   1.58 0.73 0.77 0.41 3.49 5.67 6.46 2.54 12.49   81.6 92.3
Vernal (Cert.)   2.10 1.34 1.08 0.54 5.06 5.46 6.80 2.73 14.59   118.4 107.7
                           
Mean   1.72 1.05 0.93 0.49 4.19 5.71 7.03 2.86 14.07   98.0 104.0
LSD (0.05)   0.80#     0.27# 2.11# 0.77# 0.43# 0.20 2.11#   49.3# 15.6#
CV (%)   32.1 41.9 41.3 38.2 34.9 9.4 4.3 4.7 10.4   34.9 10.4
MCV (%)   46.6 60.5 59.0 55.1 50.4 13.6 6.1 6.8 15.0   50.4 15.0
LSR (%)   112.3 100.8 125.7 89.8 113.4 84.2 46 36 77.2   113.4 77.2
                           

†Design: Splitplot, cut = mainplot Fertilization: 50P & 100 K lb/acre Soil type: Kief loam
Seeding method: Broadcast Cuttings: 1997 (1/2), 98-99 (3/4) Replicates: Four
Seeding rate: 25 lb/acre Plot size: 3 by 18 ft Herbicide: None in 1999
Seeding date: May 27, 1997 Harvest plot: 3 by 13 ft Insecticide: None

Seed obtained from Dan Undersander at University of Wisconsin

Forage yield based on two replicates that had acceptable stands to leave.
#F - test nonsignificant


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Email: mpeel@ndsuext.nodak.edu