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1998 Alfalfa Plant Density   Dickinson, ND

Seeding rate/ac

Harvest Moisture %

Hay Yield
12% DM Basis
Moisture 1998
Tons/ac
  1st cut 2nd cut 1st cut 2nd cut 1st cut 2nd cut Total
Hand 1 plant/sqft 69 76 1.1 1.3 0.9 1.2 2.1
Hand 2 plant/sqft 68 78 1.5 1.7 1.3 1.5 2.8
Hand 3 plant/sqft 69 79 1.2 1.3 1.0 1.2 2.2
Hand 4 plant/sqft 68 79 1.3 1.5 1.1 1.4 2.5
1 lbs PLS/ac 70 78 1.2 1.4 1.0 1.2 2.2
2 lbs PLS/ac 68 78 1.2 1.5 1.1 1.3 2.4
4 lbs PLS/ac 68 78 1.0 1.5 0.9 1.3 2.2
8 lbs PLS/ac 68 80 1.2 1.6 1.0 1.4 2.4
16 lbs PLS/ac 68 80 1.2 1.8 1.0 1.6 2.6
32 lbs PLS/ac 69 80 0.9 1.7 0.8 1.5 2.3
               
Mean 68 78 1.2 1.5 1.0 1.4 2.4
C.V. % 1.6 1.3 18.8 15.3 18.8 15.3 --
LSD .05 NS 1.5 NS NS NS NS --

1st cut=June 3, corresponds to 10-20% bloom

2nd cut=July 13, corresponds to 10-20% bloom

PLS=Pure Live Seed



1998 Alfalfa Plant Density Dickinson, ND

Seeding rate/ac

Hay Yield
DM Basis
1996 1997 1998 3 yr avg
  Tons/ac
Hand 1 plant/sqft 0.3 1.7 2.1 1.4
Hand 2 plant/sqft 0.4 2.3 2.8 1.8
Hand 3 plant/sqft 0.5 2.3 2.2 1.7
Hand 4 plant/sqft 0.5 2.3 2.5 1.8
1 lbs PLS/ac 0.7 2.1 2.2 1.7
2 lbs PLS/ac 0.8 2.1 2.4 1.8
4 lbs PLS/ac 0.8 2.4 2.2 1.8
8 lbs PLS/ac 0.8 2.6 2.4 1.9
16 lbs PLS/ac 0.8 2.6 2.6 2.0
32 lbs PLS/ac 0.7 2.7 2.3 1.9
         
Mean 0.6 2.2 2.4 1.8
C.V. % 13.9 -- -- --
LSD .05 0.1 -- -- --

1996 yield based on one cut: 1997 and 1998 yield based on two cuts per year


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