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Table 3. Yield, test weight, protein, height, and head density of hard red spring wheat and durum grown on fumigated and natural soil plots in southwestern North Dakota, 1997.

Treatment Head density Height Yield Test weight Protein
  no/yd2 inches bu/a lb/bu %
Beach          
Fumigated 455.6 38.8 40.3 61.7 9.2
Natural 276.1 35.1 24.8 59.3 8.9
Mean 365.8 36.9 32.6 60.5 9.1
CV% 15.9 1.6 16.3 1.2 4.9
LSD.10 138.4 1.4 12.6 1.7 NS
           
Amidon          
Fumigated 389.5 28.7 37.6 62.1 15.1
Natural 256.0 28.6 22.9 61.5 14.1
Mean 322.7 28.7 30.3 61.8 14.9
CV% 8.8 5.7 19.8 0.6 7.2
LSD.10 47.3 NS 10.0 0.6 NS
           
Pick City          
Fumigated 453.9 31.6 36.6 62.0 15.6
Natural 261.4 30.4 27.1 61.8 15.3
Mean 357.6 30.9 31.9 61.9 15.4
CV% 10.7 7.7 23.0 0.6 2.2
LSD.10 64.0 NS NS NS NS

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