Abstract:

Make use of the river set infuses two observation post of area for 18 years, the sunflower prognosticates data and corresponds the weather data, computing each growth of wheat period air temperature,sunshine etc. main factor, analyze each growth period feat with disadvantageous condition, and made use of the weather data and the weather yield to build up back to return model, infuse the river set through the geography information system the area wheat planted to carry on a feat cent area.