TOBACCO Introduction Tobacco means a leaf product containing 1% - 3% of alkaloid nicotine (C10 H12 N2) which produces narcotic effect when smoked, snuffed or chewed. And Tabacum is the plant which produces tobacco for the world commerce. And Rustica is also used for making tobacco in different parts of the Europe. Tobacco grows best in warm even climate, tropical or sub-tropical region ( java, Sumatra, Jamaica, Cuba, India etc) on well drained, carefully fertilized soil which reduces weekly moisture form rain or irrigation. HISTORY There are pre-historic evidences that man learnt to smoke before they could write- various cave paintings and clay tablets show it. In 1492, Christopher Columbus, during his voyage to America had witnessed West Indians smoking tobacco in a hollow forked stick. He brought the tobacco seeds to Europe where the farmers grew them for medicinal purpose to rela