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h and development basic goal After the founding of 1998 years ago, our country's food supply in short supply for a long time, the relatiely small number of grain reserves, is not high demand for warehousing facilities, infrastructure investment is less, low construction standards, supporting facilities, relatively backward and protection technology.Quite a part of the barn is modeled on the Soviet union in the 1950 s of the grain depot construction and simple storability, su shi storehouse, old facilities, can only keep the food from the sun, rain, heat preservation, heat insulation, airtight, doors and Windows, floor moisture condition is very poor.Due to low and protection, grain storage safety mainly depends on artificial hard work to guarantee.Put forwards by artificial warehousing inspection grain temperature, time is long, effect is poor;Pest control by artificial into the storehouse administration to complete assignments, have certain risk, and large dose, insecticidal also not completely;Food directly depends on people back shoulder, labor intensity, low efficiency, high cost, serious food consumption.In most of the grain depot in China at that time, therefore, the original warehouse facilities conditions and technical level is difficult to meet the requirements of the central grain reserves safe storage, good quality, scientific application of new technology research and development of grain storage to establish reserves the problem of security system needs to be overcome.

Three batch of national debt investment grain depot construction as the 'four unity' technology research and development and large-scale application provides a rare opportunity to deal with the second half of 1997 Asian financial crisis, establishing and perfecting the national food security guarantee mechanism, build a sustainable and healthy development of national economy and social stability, in June 1998, the CPC central committee and the state council decided to issue bonds for construction of the six aspects, including reserve grain depot's infrastructure.Country is divided into three groups arranged bonds grain depot construction projects.One is a total of 17.2 billion yuan in 1998 to build 1998 kg storage size of state grain reserves.Second, 1999 and 2000, the state council and decided to invest 15 billion yuan respectively to build two 10 billion kg storage scale of state grain reserves.3 it is again in 2002 and 2003, a total of 2.1 billion yuan investment in the improvement of the grain storage facilities and function of form a complete set.Three bond grain depot construction investment 34.3 billion yuan, reserve grain depot construction project 1114, construction of various kinds of special engineering, 1936.Built reserve storage 51.05 billion kilograms.It is focus on the construction of grain storage in the history of our country one of the biggest, the national grain storage effectively to the end of 2005 to 260 billion kilograms of record levels.