Compiled by Foothill Hydroponics.
This book contains 4 chapters and a total of 110 pages of information. Chapter 1 deals with species and requirements for each. Chapter 2 is hydroponics growth media and the pros and cons of each type. Chapter 3 focuses on plant nutrition and hydroponics solutions. Chapter 4 offers information on irrigation and hydroponics systems. A great reference for experienced gardeners and a must have for new gardener/collector.
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