Fertilizers are materials that are applied to the soil for the necessary growth of plants. They can either be natural or synthetic in nature. They are mainly used for the enhancement of soil fertility and are classified into single nutrient fertilizers, multinutrient fertilizers and micronutrients. Most of the topics introduced in this book cover new techniques and the applications of fertilizers. It includes contributions of experts and scientists which will provide innovative insights into this field. Students, researchers, experts and all associated with soil science and botany will benefit alike from this book.