Sunflower

 
Crop Type:  Warm season broadleaf
Erosion Reduction: Fair
Nutrient cycling: Good
Nitrogen fixing: No
Quick growth:  
Weed suppression: Fair
Reduce compaction: Fair
Increase S.O.M. Fair
C:N Ratio: Medium
Mycorrhizal fungi: Medium
Seed size: Low
Seeding rate: .7lbs
Seed cost:  
Seeding depth: .5-1 in.
Rooting depth Deep
Water use: Medium
Supplemental hay: Poor
Supplemental grazing: Good

Click here to view a week by week photo gallery of sunflowers in the Berns' 2008 cover crop research plot.