Pretty much all world's history , starting from the first Sumerian wheat exports, was going around wheat, many wars were fought and millions of people had died to secure tillable land and trade routes. Now wheat is a part of many national anthems, coat of arms, and flag colors.
Worldwide, 681 915 838 tons of wheat were produced in 2009 and only 650 881 002 tons in 2010 . That is about 15 quadrillions of individual wheat berries, provided by about 500 trillions of individual plants.
Biggest wheat producer in the world is China with 115 180 303 tons in 2010, with a strong growth of 1% or so since 2008. Unconfirmed rumors are that 2011's production fell by 500 000 tons and that producing wheat in China costs $9 a bushel, so they basically produce it just to bankrupt American, Canadian, Argentinian , Australian and Russian, Ukrainian farmers. China also buys infinite amounts of agricultural land anywhere it can.
In the United States, biggest producer of wheat ( combined winter wheat, durum wheat and spring wheat) is North Dakota ( 2011 ) , which bested Kansas by 5 million bushels in 2011. Kansas used to be the wheat capital of USA up to 2010 with it's peak production at 500 million bushels in 1997. In 2009, Kansas produced 369.6 million bushels ( about 5.5% of all acreage had to be abandoned) , in 2010, 360 million and in 2011, only 273 million bushels of wheat.
On per capita basis, North Dakota is producing 413.5 bushels of wheat per year ( 2011 ) that is 24800 pounds , or 11.12 tons of wheat. A North Dakotan could have a pound of bread per day for 101 years with just a crop of 2011, if they kept it to themselves.
Worldwide , 100.13 kilograms of wheat were available to a potential consumer. That's enough for over 178.2 days at 2000 calories a day, and there is enough protein to supply everyone with 257 days worth at 50 grams per day. Basically there are less than 10 ounces, or 274 grams of whole grain wheat for every day of the year, for every human on earth , which would make up to 411 grams of bread . However this number includes also a lower-quality wheat which is commonly used as fodder.
Update for 2010 -- increased population and reduced production resulted in about 5.4 kg loss of available wheat, 94.7 kg of wheat were ready for a potential consumer.
14.32% of all arable land in the world was used for wheat production in 2009. This number decreased by about 2-2.5 % in 2010.
225 437 694 hectares were used to produce wheat in 2009, a territory bigger than Greenland and Serbia combined. Just take a look at that giant piece of land on the world atlas! That (wheat acreage) is nothing less but 14.32% of all arable land in the world. Wheat is ruling over 1.5% of all land on Earth.
If we could make a cube out of the 2009's wheat, it would be 961 meters, or over 3200 feet tall.
If you could line all wheat berries in up one line, it would be more than 17 times longer than the orbit of Neptune, the farthest planet from Sun, and the Light itself would need almost 3 days to travel from one end to another.
The crop of 2009 ( at current prices- 02/11) is about $ 260-270 billion worth.
Best crop ever was collected in 2008, it was 1.49 million tonnes more than one of 2009.
Worst crop since 1961 was in 1961, 222 357 231 tonnes.
Best worldwide yield was in 2008 (3067.9 kg/ha), worst, since 1961--1088.8 kg/ha (1961)
Record yield belongs to Ireland , 9453.8 kg/ha (2000)
Land usage since 1961 grew by 10.4%. Seed usage since 1961 grew by 27% (32m.t vs 25.2 mln t)
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