The Tropic of Cancer (23°27' N), and the Tropic of Capricorn (23°27' S). In common usage, any latitude between the two tropics, which lie to the north and south of the equator, and which mark the limits at which the sun is vertically overhead for at least one day of the year. The tropical regions have no winter or summer, and their seasons are often defined by rainy and dry periods, as the inter-tropical convergence zone moves from the northern to the southern hemisphere, and back again, in the course of one year.

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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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