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