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Soil Analysis Tool

Soil Nutrient Index Calculator

Calculate the nutrient index for your soil samples based on nitrogen, phosphorus, potassium, pH, and organic matter values.

1
Configuration
2
Data Entry
3
Results

Numeric Values

Enter actual measured values (e.g., 0.15% N, 45 kg/ha P). The system will automatically categorize them as Low, Medium, or High.

Categorical Values

Directly select Low, Medium, or High categories if you already know the classification of your soil samples.

Sample #N Value (%)N CategoryP Value (kg/ha)P CategoryK Value (kg/ha)K Category

Nitrogen

0
Low
0
Medium
0
High

Phosphorus

0
Low
0
Medium
0
High

Potassium

0
Low
0
Medium
0
High
Sample #pH ValuepH CategoryOM Value (%)OM Category

pH

0
Acidic
0
Neutral
0
Alkaline

Organic Matter

0
Low
0
Medium
0
High

*The soil nutrient index is calculated according to the procedure given by Ramamoorthy and Bajaj, 1969. Available N, P and K status of Indian soils. Fertilizer News; 14:24-26.

Low (<1.67)
Medium (1.67-2.33)
High (>2.33)

Nitrogen

0.00
-

Phosphorus

0.00
-

Potassium

0.00
-

pH

0.00
-

Organic Matter

0.00
-

Total Samples

0

Average Index

0.00

Overall Rating

-

Download your complete soil analysis data and nutrient index calculations in Excel format.