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Introduction to WineAll You Nedd to Know About Wine, Free Guidance & ResourcesWine production has been carried out for thousands of years. Pottery discovered in Persia (present-day Iran), dated at 5,500 BC show evidence of grape use for winemaking. Jars from Jiahu in China containing wine from wild grapes date to between 6000 and 7000 BC.But whether ancient or modern, many of the same conditions are required and similar techniques used. The chemistry of grapes is eternal.Wine grapes grow, with few exceptions, only in bands delineated by latitudes 30-50 degrees North and 30-45 degrees South of the equator. Unlike most crops, grapes don't require fertile soil. The thinness of the soil restricts the quantity of the crop, producing fewer grapes of higher quality.Paradoxically, soils too rich in nitrogen and other nutrients —highly beneficial for most plants— can produce grapes unsuitable for winemaking. Fine for eating, but lacking desirable quantities of minerals, sugars and acids.The best wines are produced from soil that would be considered poor quality for other agricultural purposes. The stellar wines from Bordeaux are made from grapes grown in gravelly soil, atop a base of clay or chalk. Fewer grapes are grown, but high in quality. The pebbly earth allows for good drainage — grapevines require access to adequate, but not excessive, water. As the roots reach down further, more complex minerals are absorbed.Introduction to WineAll You Need to Know About Wine, Free Guidance & ResourcesClick Here To Learn More About Wine Now !