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Gardening Indoors and Under Glass: A Practical Guide to the Planting, Care and Propagation of House Plants, and to the Construction and Management of ... and Small Greenhouse (Practical Gardening)
Gardening Indoors and Under Glass A Practical Guide to the Planting Care and Propagation of House Plants and to the Construction and Management of and Small Greenhouse - Practical Gardening Author:F F Rockwell Gardening Indoors and Under Glass ? Practical Gardening - A Practical Guide to the Planting, Care and Propagation of House Plants, and to the Construction and Management of Hotbed, Coldframe and Small Greenhouse - By F. F. Rockwell. Gardening is the practice of growing and cultivating plants as part of horticulture. In gardens, ornamental plant... more »s are often grown for their flowers, foliage, or overall appearance; useful plants, such as root vegetables, leaf vegetables, fruits, and herbs, are grown for consumption, for use as dyes, or for medicinal or cosmetic use. Gardening is considered to be a relaxing activity for many people. A greenhouse (also called a glasshouse) is a building in which plants are grown. These structures range in size from small sheds to industrial-sized buildings. A miniature greenhouse is known as a cold frame. Commercial glass greenhouses are often high tech production facilities for vegetables or flowers. The glass greenhouses are filled with equipment like screening installations, heating, cooling, lighting and may be automatically controlled by a computer. A greenhouse is a structural building with different types of covering materials, such as a glass or plastic roof and frequently glass or plastic walls; it heats up because incoming visible sunshine is absorbed inside the structure. Air warmed by the heat from warmed interior surfaces is retained in the building by the roof and wall; the air that is warmed near the ground is prevented from rising indefinitely and flowing away. This is not the same mechanism as the "greenhouse effect".« less