Far Red light

Speeds up some full sun plants, reverses some red light effects. HID lighting usually doesn't emit far-red except in the case of some High and low pressure sodium bulbs, more so in the form of heat rather than photosynthetic light.

chlorophyll activity o m 80

chlorophyll activity


Growing Soilless

Growing Soilless

This is an easy-to-follow, step-by-step guide to growing organic, healthy vegetable, herbs and house plants without soil. Clearly illustrated with black and white line drawings, the book covers every aspect of home hydroponic gardening.

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