图书简介

List of illustrations; Preface to the new edition; Introduction; 1. What is the soil made of?; 2. More about the clay; 3. What lime does to clay; 4. Some experiments with the sand; 5. The part that burns away; 6. The plant food in the soil; 7. The dwellers in the soil; 8. The soil and the plant; 9. Soil management: cultivation, manuring and liming; 10. The soil and the countryside; 11. How soil has been made; 12. A survey of your district; Appendix 1. Plot experiments in school gardens; Appendix 2. Books and questions; Index.

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