Thirty Years Farming on the Clifton Park System
How to supply Humus, Texture, and Fertility by the Aid of Deep-Rooting Grasses
Green Manuring Principles and Practice
A thorough review of green manuring and its contribution to the maintenance of soil fertility and the improvement of agricultural productivity. Contains photographs of great historical interest.
Chemicals, Humus and the Soil (1957 edition)
This later edition contains several new chapters, a new preface and much fresh information about fertilizers and their sensible use.