Establishing healthy soil for healthy plants. The soil in your garden or allotment is the most precious asset you have as a gardener healthy plants start with healthy soil. Written by two soil science specialists, this book explains the fundamentals of soil science in a horticultural context and provides practical guidance on how to optimize the soil in your garden. The main types of soil and their key characteristics are discussed, including the implications for different plants and how the soil can be improved, with an emphasis on working with nature, not against it.