Cook, J. Gordon (James Gordon)
Your guide to the soil /
by J. Gordon Cook.
- 2nd ed., rev. and enl.
- Watford, Herts., England : Merrow, [1965]
- Science for everyman series ; 8 .
Previous edition published under title: Our living soil. Soil acidity tester in back pocket.
Plant physiology.
Soils.