Soil is the main source of nutrients for the growth of plants. Some of the nutrients obtained from the soil are nitrogen, potassium, phosphorus, etc. The fertility of soil depends on the amount of nutrients, soil depth and microorganisms present in it. This book explores all the important aspects of soil nutrition and soil fertility in the present day scenario. It strives to provide a fair idea about this discipline and to help develop a better understanding of the latest advances within this field. This book is an essential guide for both academicians and those who wish to pursue this discipline further.