North Dakota State University * Dickinson Research Extension Center
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Wheat-Canola Tillage Trial, Wheat 2000

Dickinson, ND

 

Tiller Count

 
Soil Moisture Plant Count Tillers Growth Stage Heading
Date
Spikes Residue
  feet p/2m2 no/plant leaves   no/m2 %
Tillage              
Conventional 1.5 355 1.7 7.6 Jun 20 236 13
Reduced 1.9 360 2.0 7.7 Jun 20 278 12
None 2.4 504 1.9 7.5 Jun 22 308 71
F-test *1 * NS NS * * *
Rotation              
Wheat/Canola 1.9 416 1.9 7.6 Jun 21 285 23
Wheat/Wheat 1.9 397 1.8 7.6 Jun 21 262 40
F-test NS NS NS NS NS NS *
Trial Mean 1.9 406 1.9 7.6 Jun 21 274 32
CV % 17.9 14.9 24.2 5.0 -- 12.5 40.3

1 * = significant at the P<.05 level; NS = not significant

Wheat-Canola Tillage Trial, Wheat 2000

Dickinson, ND

 
Plant
Height
Yield Test
Weight
Protein Seeds
per
Pound
Returns
  inches bu/ac lbs/bu %   $/ac
Tillage            
Conventional 26.2 24.3 60.7 17.3 12,014 74.84
Reduced 27.9 31.6 60.1 15.3 11,848 84.47
None 30.3 35.5 60.2 13.3 12,320 81.94
F-test *1 * NS * NS NS
Rotation            
Wheat/Canola 28.1 31.9 60.4 15.6 11,938 87.95
Wheat/Wheat 28.2 29.1 60.2 14.9 12,183 72.87
F-test NS NS NS NS NS *
Trial Mean 28.2 30.49 60.3 15.3 12,061 80.41
CV % 5.7 15.9 2.0 6.2 4.77 18.65

1 * = significant at the P<.05 level; NS = not significant

Wheat-Canola Tillage Trial, Wheat 2000

Dickinson, ND

 
Soil Nitrogen  

Soil Phosphorus

  Organic Matter
  Pre-plant --Post-harvest--  

Pre-plant

Post-harvest   Post-harvest
  0-2ft 0-2ft 2-4ft          
  --------------lb/acre----------------   -------------ppm-----------   ------%-----
Tillage                
Conventional 16 30 15   11.3 9.9   2.1
Reduced 31 28 12   15.8 14.0   2.4
None 31 15 6   11.9 10.9   2.2
F-test *1 NS *   * NS   *
Rotation                
Wheat/Canola 25 26 11   12.8 10.6   2.3
Wheat/Wheat 27 23 11   13.1 12.5   2.2
F-test NS NS NS   NS NS   NS
Trial Mean 26 24 11   13.0 11.6   2.2
C.V. % 17.5 68.2 44.2   10.7 26.2   6.5

1 * = significant at the P<.05 level; NS = not significant

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Email: drec@ndsuext.nodak.edu