<p><b>Tobacco treatment. Part 1</b></p> <p><b>Plant</b></p> <p>When Columbus discovered America, humanity has got our plants that have played huge role in economic and industrial development. These four plants are: tomato, potato, paprika and tobacco. We will occupy with potato with tomatoes later but now however about tobacco.</p> <p>Tobacco is annual plant. Its roots don't go far inside the ground, however mature plant can reach in height (depending on conditions and sort) three meters.</p> <p>During many years practice was bred more than 100 tobacco sorts and all of them were got from two main types. These are Virginia tobacco (Nicotiana tabacum L.) and rural tobacco (Nicotiana rustica L.). Virginia tobacco reaches two meters in height but on one plant are located from 8 to 20 leafs that reach 60 centimeters in length. Namely from this sort is bred majority of tobacco sorts that are used for making qualitative production. Except Virginia tobacco in tobacco manufacturing is used Maryland tobacco, Kentucky, Burly, half-Virginia and others.</p> <p>Rural tobacco is grown for <a href="http://www.cigline.net"><b>cheap cigarettes</b></a> and tobacco. By the way, Russian makhorka is variety of rural tobacco. Height of this sort is not more than one meter and it is quite unpretentious to climatic conditions.</p> <p>Tobacco plant, as well as some other plants of this family, contains nicotine that in small quantities has stimulating effect. Also tobacco contains, of course, various aromatic and flavoring agents.</p> <p>Tobacco seeds are quite tiny. In one gram they are approximately 12000 but for getting one plant it is enough only one seed. I.e. for seeding one tobacco field is enough just few grams of seeds.</p> <p><b>Germinating</b></p> <p>To get healthy and plants ready to be set out, tobacco seeds couch. For this they are cropped in special trays with bowls with dimensions of small cups and are stored in hothouses approximately 45 days after what they are set out on field.</p>