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The effects of fertility on the development of anthracnose; 2005 Rutgers research station
In 2005, Plant Science commissioned a study of the effect of Balanced fertility on development of Anthracnose. The fertility program was based on field studies that identified common deficiencies in turfgrass plants when grown on sand based media including Calcium (Ca), Magnesium (Mg), Potassium (K), and Boron.  Figure # 2 is a comparison of  the Tru-prill 15-2-15 control and the urea control. Background Information: In 2003, The effect of Nitrogen on the development of Anthracnose was studied at Rutgers University. Based on weekly treatments of urea at 1.5 lbs, and 3.0 lbs of actual Nitrogen per season, there was a significant and statistical difference in the percent of turf infected with Anthracnose. No fungicide controls The treatments received three applications of Tru-prill 15-2-15 at .5 pounds N for a total  of 1.5 lbs N (70 kg/Ha). Treatments of Nutricore Foliar fertilizers were tank mixed with Compass? and Alliette ? and applied bi weekly.  Figure 2 compares Tru-prill 15-2-15 versus urea without fungicide or Nutricore treatments.  
"Balanced Fertility Further reduces disease pressure from urea treatments... Foliar treatments from Nutricore further reduced the development of Anthracnose"
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