Introduction Spices And herbs require careful processing because their commercial value can depend on characteristics such as appearance, aroma and handling quality. Drying is one of the key stages in preparing many agricultural products for storage or further processing. Solar drying offers an approach that uses solar thermal energy rather https://hectorgbsiy.wikiusnews.com/2623156/solar_spice_and_herb_dryers_for_hygienic_agricultural_processing