It became particularly rapid increase area under potatoes in 1840-1842 years. "On measures for the dissemination of potato breeding" order came February 24, 1841 the Russian government. Circulation 30 000 copies throughout Russia sent free instructions on proper planting and growing potatoes. Every year, all the information on the cultivation of potatoes were sent to the governors of St. Petersburg. By the end of the XIX century. they were employed in Russia for more than 1.5 million hectares. In Russia in the XIX - XX centuries was considered the "second bread", that is one of the staple foods.
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