North Dakota State University * Dickinson Research Extension Center
1089 State Avenue, Dickinson, ND 58601-4642 Voice: (701) 483-2348 FAX: (701) 483-2005


1998 Arvika Forage Pea Fertility Trial - Recrop Dickinson, ND
Treatment

lbs of N/ac

Yield DM Basis
12% DM Basis CP ADF NDF RFV
Tons/ac %
0 3.2 2.8 16.6 38 44 124
20 3.0 2.6 16.4 41 51 107
40 2.9 2.6 16.2 37 47 120
60 2.8 2.5 17.8 37 46 124
 
Mean 3.0 2.6 16.8 39 47 118
C.V. % 6.5 6.5 16.2 13.1 12.9 17.3
LSD .05 NS NS NS NS NS NS

CP=crude protein; ADF=acid detergent fiber; NDF=neutral detergent fiber RFV= relative feed value

RFV calculated by using formula: RFV=((88.9-(0.77*ADF))*(120/NDF))/1.29

 

1998 Arvika Forage Pea Fertility Trial - Recrop Dickinson, ND
Treatment lbs of N/ac Harvest Moisture Vine length Pods/ Plant Plant Count Lodging
  % in   plants/ac 0-9
0 73 56 5 269,405 8
20 72 57 5 248,998 8
40 75 57 5 284,154 8
60 76 59 5 240,398 8
 
Mean 74 57 5 260,738 8
C.V. % 2.4 5.4 15.9 8.7 0.0
LSD .05 NS NS NS NS NS

Planting date: April 21

Harvest date: July 15 when varieties were finished flowering

Ammonium nitrate was used as nitrogen source

Lodging: 0=no lodging 9=laying completely flat


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