The rest of the family were saved by what they regarded as a miracle: a single grain of rye sprouted in their pea patch. The Lykovs put up a fence around the shoot and guarded it zealously night and day to keep off mice and squirrels. At harvest time, the solitary spike yielded 18 grains, and from this they painstakingly rebuilt their rye crop.
http://www.smithsonianmag.com/history-archaeology/For-40-Years-This-Russian-Family-Was-Cut-Off-From-Human-Contact-Unaware-of-World-War-II-188843001.html#ixzz2JQ1qXjpV