Comprehensive information on Nitrogen Use Efficiency for cereal crop production
Errors associated with By-Plant Corn Grain Yield Prediction
Causes of Plant to Plant Variability in Yield within Corn Production SystemsBy Plant Yield Prediction in Corn Production Systems
 
By-Plant Compution of Yield              
               
  Scale   Tape          
Ear Weight Precision Distance Precision Row Spacing Area Yield, kg/ha Yield g/m2 % Error
g g cm cm cm cm2 kg/ha g/m2  
               
Hypothetical True Mean              
120   26   76 1976 6072.874494 607.287449 0
120.05 0.05 26.5 0.5 76 2014 5960.774578 596.077458 1.880627
121 1 25 1 75 1875 6453.333333 645.333333 5.89554
122 2 28 2 76 2128 5733.082707 573.308271 5.92686
118 2 28 2 76 2128 5545.112782 554.511278 9.517601
               
Conventional Plot Work              
Plot Size                
4 rows, 76 cm wide, 30 feet long            
equals = 27.7 m2              
harvest center 2 rows              
equals 13.8 m2              
               
Plot Weight Combine Scale Distance Combine Row Spacing Area Yield, kg/ha Yield g/m2 % Error
kg kg m Precision cm m2 kg/ha g/m2  
               
               
Hypothetical True Mean              
10.5 0.05 9.14 0.2 76 6.9464 15115.74341 1511.57434 0
10.5 0.1 9.34 0.2 76 7.0984 14792.06582 1479.20658 2.188184
10.7 0.2 8.94 0.2 75 6.705 15958.24012 1595.82401 5.279384

 

 
Return to Comprehensive information on Nitrogen Use Efficiency for cereal crop production