Open-air sun drying of agricultural products is still practiced largely in ways unchanged from ancient times after harvest. There is always contamination, theft or damage by birds, rats or insects; slow or intermittent drying and no protection from rain or dew. In addition, large areas of land are needed for the shallow layers of food; laborious since the crop must be turned, moved if it rains; reduction in quality (color and vitamin content) of some fruits and vegetables. These problems can be solved through the use of a solar dryer. A solar dryer which is cheap (purchase and maintenance costs) for the population and environmentally friendly was constructed. The agricultural products consid Download
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