Global production of corn, wheat and rice have all more than doubled since 1970 as global warming occurred.
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And after two bumper years, the government says it has enough wheat and rice in store to prevent serious food-grain price inflation.
The government also pays inflated prices for most wheat and rice, then sells much of it back to villagers as cheap rations.
Ample supplies of wheat and rice helped to keep the index, which tracks export prices, 10% below its peak in February 2011.
In February the Forward Market Commission, the commodities market regulator, banned wheat and rice futures in a bid to cool down food-price inflation.
Often, they must spend half or more of their income on food, the bulk coming from staple grains like corn, wheat and rice.
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Corn, wheat and rice production are all experiencing long-term upward trends.
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For the first time since the 1960s the yields of the world's most important crops, wheat and rice, are rising more slowly than the global population (see special report).
Thomas, in an interview, said the government was taking steps to reduce stockpiles, including allowing traders last year to export wheat and rice surpluses and increasing food allocations for poor people.
After the second world war, dwarf varieties of wheat and rice (which overcame the problem that heavily fertilised crops in hot countries grew too tall and fell over) boosted developing-country output.
Cargill Inc. received the right to export 500, 000 metric tons of wheat and rice to North Korea when the U.S. Treasury Department granted its first license in several years allowing trade with the North.
The combination of plentiful monsoon rains and high minimum purchase prices for wheat and rice means the country is forecasting an all-time-high grain production of 250.42 million tons in the crop year ending June 30.
Traditionally, folk artists mix water with wheat and glutinous rice flour.
Officials said the team is concentrating on more than the two companies believed to have exported the melamine in wheat flour mislabeled as wheat gluten and rice protein concentrate.
But as the only two of those so far identified are wheat noodles and rice in North and South China respectively, not something that needs to be considered at the basic level necessary to make sense of the world.
Consumption of wheat, rice and maize roughly tracks population growth but at a higher level, so demand for them will add about a billion tonnes to the 2 billion produced in 2005-07.
Across the South and lower Midwest, floodwaters have covered about 3 million acres of farmland, eroding for many farmers what could have been a profitable year for corn, wheat, rice and cotton, officials said.
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Across the South and lower Midwest, floodwaters have already covered about 3 million acres of farmland, eroding for many farmers what could have been a profitable year for corn, wheat, rice and cotton, officials said.
India's government usually increases assured prices paid to farmers each year for key staples such as wheat, rice and lentils, aiming to support their incomes and ensure that they don't switch to other less important crops.
Exports of American-made chemicals, rubber and plastics will increase, as will U.S. exports of wheat, rice, pork and poultry.
The largest value increases in U.S. exports will be in machinery and electrical equipment, chemicals, rubber, plastics, wheat, rice, pork, and poultry.
The futures and options markets for rice are, compared to wheat and maize, woefully undeveloped.
FORBES: Speculation Reduces Price Volatility, Not Increases It
Anti-GMO campaigners are clearly positioning themselves for another offensive against a new wave of GM crops and foods, with new pesticide tolerant grain varieties and a host of nutritionally enhanced grains, such as Golden Rice and drought resistant wheat, in their crosshairs.
In some countries, most importantly India, rice and wheat are substitutes for each other.
FORBES: Speculation Reduces Price Volatility, Not Increases It
Sugarcane cultivation has to compete with lucrative crops like rice and wheat.
When people do not have enough calories, staples such as rice and wheat are vital: they provide the most calories per dollar.
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They predict that the world's three biggest crops in terms of calories provided - maize, rice and wheat - will decrease in many developing countries.
In the agricultural sector, rice and wheat prices are still well off their previous highs, Newland explained, while natural gas and oil prices remain subdued.
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It really does take something to make a government bond a Giffen Good, something previously only observed with wheat noodles in North China and rice in South China.
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Price increases in corn and soyabeans are not thought likely to trigger a food crisis, as they did in 2007-08, as global rice and wheat supplies remain plentiful.
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