Phosphorus is provided as 0-46-0 and potash as 0-0-60 or 0-0-50. The first number is the amount of nitrogen (N), the second number is the amount of phosphate (P 2O 5) and the third number is the amount of potash (K 2O). Many variables such as walking speed, terrain, particle size, density, and spreader condition can affect these settings. Scotts Edgeguard Spreader Settings Chart Spreader Settings. DISCLAIMER: These spreader settings were established using standard equipment available from the spreader manufacturer at swath widths and speeds typically used within the industry. ft.īesides, what do the numbers mean on a fertilizer spreader?Īll fertilizer labels have three bold numbers. A chart is an outstanding fit once the chart’s strong matches line up with the message we would like to convey. The answer is the amount of fertilizer needed to cover 100 sq.Multiply the weight of the bag by this number.This is a function of spreader design as well as the granule size and consistency of the product you are applying. Different types and models of spreaders apply granular lawn fertilizers and pest control products at different rates. Ideally the product will run out when you get to the end of the 100 m2 area. Recommended spreader settings are usually listed on the product package. Divide 100 by the square foot the bag of fertilizer covers. (Usually one quarter of the way open is a good starting point.) Spread the material you put in the spreader over 100 m2 (10 m x 10 m) 1076 sq.Likewise, how do you determine spreader settings? Calibrating Your Spreader With a handheld broadcast spreader, Scotts recommends a setting of 4 when overseeding or seeding a new lawn but suggests that the sower make two perpendicular passes for new areas. If it is a Scotts basic broadcast spreader, the number represents the number of pounds of fertilizer placed over 1000 sq ft.Ĭorrespondingly, what setting should I use on my Scotts spreader?įor application using a pushed broadcast spreader, Scotts recommends a setting of 5 1/2 when overseeding and a bare-lawn setting of 8 1/4.