Chapter 1: Nutrient use efficiency in plants: an overview -- Part I: Nutrients as a Key Driver of Nutrient Use Efficiency -- Chapter 2: Soils and Inputs Management Options for Increasing Nutrient Use Efficiency -- Chapter 3: Nutrient and water use efficiency in soil: The influence of geological mineral amendments -- Chapter 4: Resource conserving techniques for improving nitrogen use-efficiency -- Chapter 5: Strategies for enhancing phosphorus efficiency in crop production systems.- Chapter 6: Efficiency of soil and fertilizer phosphorus use in time: a comparison between recovered struvite, FePO4-sludge, digestate, animal manure and synthetic fertilizer -- Chapter 7: Strategies for Enhancing Zinc Efficiency in Crop Plants -- Chapter 8: Nitrification inhibitors: classes and its use in nitrification management -- Part-II: Microbiological aspects of Nutrient Use Efficiency -- Chapter 9: Role of Microorganisms in Plant Nutrition and Health -- Chapter 10: Role of Cyanobacteria inNutrient Cycle and Use Efficiency in the Soil -- Chapter 11: Trichoderma improves nutrient use efficiency in crop plants -- Chapter 12: Bio-priming mediated nutrient use efficiency of crop species -- Chapter 13: Unrealized potential of seed biopriming for versatile agriculture -- Part-III: Molecular and physiological aspects of Nutrient Use Efficiency -- Chapter 14: Improving nutrient use efficiency by exploiting genetic diversity of crops -- Chapter 15: Micro RNA based approach to improve nitrogen use efficiency in plants -- Chapter 16: Biofortification for selecting and developing crop cultivars denser in iron and zinc -- Chapter 17: Understanding genetic and molecular bases of Fe and Zn accumulation towards development of micronutrient enriched maize -- Part-IV: Nutrient Use Efficiency of Crop Species -- Chapter 18: Nitrogen uptake and use efficiency in rice -- Chapter 19: Nutrient-use efficiency in Sorghum -- Chapter 20: Improving nutrient use efficiency in oilseeds Brassica -- Chapter21: Strategies for higher nutrient use efficiency and productivity in forage crops -- Chapter 22: Integrated nutrient management in potato for increasing nutrient use efficiency and sustainable productivity -- Part-V: Specialised Case Studies -- Chapter 23: Enhancing Nutrient Use Efficiencies in Rainfed Systems -- Chapter 24: Dynamics Of Plant Nutrients, Utilization And Uptake, And Soil Microbial Community In Crops Under Ambient And Elevated Carbon Dioxide -- Chapter 25: Phytometallophore Mediated Nutrient Acquisition by Plants.