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Fertilizer Calculator

This calculations can be used to estimate the amount of fertilizer needed,based on soil test or recommendation,and nutrient ratio of the fertilizer. How much fertilizer to add to your farm,lawn or garden is important because over-fertilization is toxic to soil and plants. The calculator helps you avoid wasting money on excess fertilizer.
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Recommendation from soil test report
N  P  K  Unit
        Per    

Total Area/Field Size
  
 

List of Fertilizer  Items
 
Select Fertilizer Items  N  P  K
      
    
 

Tips and Warnings
If the calculations of fertilizer can be listed above,It means we have a unique solution.If  the fertilizer you choosed can not be listed above, that means it has either no solution or infinitely many solutions.

Top Use:    Calculate Fertilizer - N:100 P:80 K:80 Per acre Field Size:90 acre

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