Are represented by the majority of warm-air dried Virginia. The cultivation is expanding rapidly. The plant developed is average and six crops are produced. Each crop is taken to a bulk curing barn where it is dried by warm air for seven days. The leaves become yellow as a result of a rapid rise of temperature. Among the Virginia are the aromatics and the fillers, the latter used as a major ingredient to balance the mixture. The blends and the taste-lines: Each industrial blend is the result of the scientific compositions of several grades from the same tobacco and from different types.