Plate VI. Top. Reduction of weeds and increase in density of an established 

 Kentucky bluegrass turf (right) after application of 6-12-4 fertilizer at the rate of 4 

 pounds of nitrogen to 1,000 square feet. Below. Kentucky bluegrass fertilized (right) 

 previous to seeding in the fall with bonemeal. Picture was taken in April following tO' 

 show early improvement. (From United States Golf Association Green Section.) 



