Soil Nutrient Fractionation and Plant Nutrient Quantification: A Laboratory Handbook provides a comprehensive guide to standardized analytical procedures used in soil fertility evaluation and plant nutrient analysis. The book emphasizes the scientific importance of accurate nutrient assessment for sustainable agricultural development, improved crop productivity, and environmental protection. It systematically covers methods for determining available nutrient forms, nutrient fractions, micronutrients, heavy metals, soil organic matter, and nutrient concentrations in plant samples. Designed with a practical laboratory-oriented approach, the handbook integrates fundamental principles with step-by-step analytical protocols to ensure precision, reproducibility, and reliability in soil and plant testing.

The text serves as a valuable resource for researchers, postgraduate students, laboratory professionals, and academicians working in soil science, plant nutrition, agronomy, and environmental studies. By strengthening analytical standards and supporting evidence-based nutrient management practices, this handbook contributes significantly to advancing agricultural research, soil health assessment, and sustainable farming systems.

Chapter 1. Determination of Available Nitrogen and Fractions of Nitrogen in Soil
Chapter 2. Determination of Available Phosphorus and Fractions of Phosphorus in Soil
Chapter 3. Determination of Available Potassium and Fractions of Potassium in Soil
Chapter 4. Determination of Available Calcium and Fractions of Calcium in Soil
Chapter 5. Determination of Available Magnesium and Fractions of Magnesium in Soil
Chapter 6. Determination of Available Sulphur and Fractions of Sulphur in Soil
Chapter 7. Determination of Extractable Micronutrients and Heavy Metals in Soil
Chapter 8. Determination of Fractions of Micronutrients in Soil
Chapter 9. Determination of Available Boron and Fractions of Boron in Soil
Chapter 10. Determination of Molybdenum and Fractions of Molybdenum in Soil
Chapter 11. Determination of Aluminium and Fractions of Aluminium in Soil
Chapter 12. Determination of Soil Organic Matter and Associated Fractions
Chapter 13. Determination of Total Nitrogen in Plant Samples
Chapter 14. Determination of Total Phosphorus in Plant Samples
Chapter 15. Determination of Total Potassium in Plant Samples
Chapter 16. Determination of Total Calcium and Magnesium in Plant Samples
Chapter 17. Determination of Total Sulphur in Plant Samples
Chapter 18. Determination of Total Micronutrient Cations in Plant Samples
Chapter 19. Determination of Total Boron in Plant Samples
Chapter 20. Determination of Total Molybdenum in Plant Samples
Chapter 21. Determination of Total Aluminium in Plant Samples