Growing Plants Without Soil: The A.B.C. Of Plant Chemiculture (Soilless Agriculture, Chemiculture, Water Culture, Hydroponics, Tank Farming, Sand Culture) Including Plant Growth Hormones and Their Use

How to Start on a Shoestring and Make a Profit with Hydroponics; Including set-up, production and maintenance, and marketing.

Your Homemade Greenhouse and How to build it , Including Solar & Hydroponic Greenhouses

How to Start on a Shoestring and Make a Profit With Hydroponics: Including Set-Up, Production and Maintenance, and Marketing