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Lawn Fertilizer Calculator
Step 1 - From A&L Soil Test Report, enter lawn soil fertility
recomendations reported at the bottom of the first page.
N
P
K
Soil Test Recommendations
Definition of Fertilizer Grades (N-P-K)
High N - Fertilizer more than 20% N less than 10% P & K (e.g. 24-2-4)
High P - Fertilizer with more than 15% P and less than 10%
K (e.g. 20-27-5)
High K - Fertilizer with more than 15% K and less than 10% P (e.g. 10-0-20)
High P & K - Fertilizer with more than 15% P & K and less than 10% N (e.g. 9-15-20)
Balanced - Fertilizer with equal amounts of N, P, and K (e.g. 10-10-10)
Step 2 - Enter fertilizer grades that are available for purchase based on suggested grade.
Suggested Grade
Fertilizer Guaranteed Analysis
Comments
Timing
N
P
K
1st Application Fert. Grade
2nd Application Fert. Grade
3rd Application Fert Grade
Step 3 - Fertilizer grade application rate.
Suggested Fertilization Program
First Application
Second Application
Third Application
#/1000 Sq. Ft.
Fertilizer
#/1000 Sq. Ft.
Fertilizer
#/1000 Sq. Ft.
Fertilizer
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