The Samuel Roberts Noble Foundation, Inc.    
     
Crabgrass for Forage: Management from the 1990s/Feed Value and Management Characteristics of 'Red River' Crabgrass Seed for Planting and Volunteer Stands
 
 
     
Table 1. Chemical composition of crabgrass seed in the hull1
Chemical componentRanges
AverageLowHigh
Crude protein (%)12.509.0016.10
Potassium (%)0.770.451.31
Phosphorus (%)0.450.410.48
Calcium (%)0.250.130.43
Magnesium (%)0.390.330.46
Zinc (ppm)37.0031.0043.00
Iron (ppm)239.0082.00461.00
Manganese (ppm)167.0065.00273.00
1Average results of five lots on a 100% dry-matter basis.
 
         
       
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