Gaia hypothesis

The hypothesis developed by James Lovelock that postulates that the entire biosphere is a single, self-organising, non-linear system. Gall

An abnormal plant growth, usually more or less spherical, and usually induced by a plant parasite. Gamete

A sexual haploid cell that may be male of female, and which unites with another gamete of the opposite sex to produce sexual recombination in a zygote, which is diploid . In plants, the male gametes are called pollen, and the female gametes are ovules. Gametic sterility

Sterility that results from the fact that either the male or the female gametes are infertile.

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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