Soil Test Rating Chart for Available Nutrients

🧪 Soil Test Rating Chart for Available Nutrients

Nutrient Low Level Medium Level High Level
Nitrogen (N) < 250 kg/ha 250 – 500 kg/ha > 500 kg/ha
Phosphorus (P) < 20 kg/ha 20 – 50 kg/ha > 50 kg/ha
Potassium (K) < 125 kg/ha 125 – 300 kg/ha > 300 kg/ha
Zinc / Copper (Zn / Cu) < 0.5 ppm 0.5 – 1.0 ppm > 1.0 ppm
Manganese (Mn) < 1.0 ppm 1.0 – 3.0 ppm > 3.0 ppm
Boron (B) < 0.33 ppm 0.33 – 0.67 ppm > 0.67 ppm
Organic Carbon (OC) < 0.5 % 0.5 – 0.75 % > 0.75 %

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