Soil Nutrient Calculator

Soil Nutrient Calculator helps farmers interpret soil test reports and calculate soil nutrient status (NPK levels), deficiencies, and fertilizer recommendations. Maintain soil health for sustainable and profitable farming.

Soil testing is the foundation of scientific farming. Our calculator helps you understand soil test results, identify nutrient deficiencies, and determine exact fertilizer quantities needed to correct deficiencies.

Key Features:
- Interpret soil test reports (NPK, pH, organic matter)
- Identify nutrient deficiency (low/medium/high)
- Fertilizer recommendations based on deficiency
- Support for all major nutrients (N, P, K, S, Zn, Fe, B)
- pH level interpretation
- Organic carbon percentage analysis
- Crop-specific nutrient requirements
- Support for acres and hectares
- Instant accurate analysis
- Works offline - perfect for field use
- Share soil health report with agronomist
- Clean farmer-friendly interface
- No registration or login needed
- Remove ads with one-time purchase

Perfect For:
- Scientific farming and precision agriculture
- Soil health management
- Fertilizer planning and optimization
- Cost reduction in farming
- Preventing over-fertilization
- Improving soil fertility
- Sustainable agriculture
- Agronomist soil analysis

Soil Nutrient Ranges (kg per hectare):

Nitrogen (N) - available N:
- Low: <250 kg/ha
- Medium: 250-500 kg/ha
- High: >500 kg/ha

Phosphorus (P) - available P₂O₅:
- Low: <10 kg/ha
- Medium: 10-25 kg/ha
- High: >25 kg/ha

Potassium (K) - available K₂O:
- Low: <110 kg/ha
- Medium: 110-280 kg/ha
- High: >280 kg/ha

Soil pH:
- Acidic: <6.5
- Neutral: 6.5-7.5 (ideal for most crops)
- Alkaline: >7.5

Example:
Soil test results:
- Available N: 200 kg/ha (Low)
- Available P: 8 kg/ha (Low)
- Available K: 150 kg/ha (Medium)
- pH: 7.2 (Neutral - good)

For 1 hectare wheat:
- N fertilizer: Apply 120 kg N (due to low soil N)
- P fertilizer: Apply 60 kg P (due to low soil P)
- K fertilizer: Apply 20 kg K (soil medium, crop moderate need)

Conduct soil testing every 2-3 years. Apply organic manure (FYM, compost) to improve soil organic carbon and microbial activity.

Download Soil Nutrient Calculator and maintain soil health!