This updated Plant Nutrition Manual discusses the principles that determine how plants grow and the essential elements necessary for successful crop production. Within its four detailed chapters are numerous subject topics including physical and chemical properties of soil, chemical and organic fertilizers, soil acidity and alkalinity, liming and liming materials, and micronutrients essential to plant growth. Also included are elements toxic to plants, soil testing, and plant analysis. With its easy-to-read style, this book is the essential resource for making soil fertility and plant nutrition decisions.