ISSN 1000-0526
CN 11-2282/P
CN 11-2282/P
Relationship between Crops Output and Changes of Meteorological Conditions in Zhalantun Area for Recent 30 Years
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Abstract:
Using the data of temperature and rainfall in Zhalantun area from 1971 to 2000, the change of active accumulated temperatures more than or equal to 0℃, 10℃, 15℃, 20℃ and the precipitation in every critical temperature continuous period are analyzed. It is found that they appear the rising tendency. Based on the method of 10-year moving average, the data of crops output in zhalantun area is disposed to separate the tendency output and the meteorological output, and calculate the correlation between various meteorological factors and the meteorological output in order to analyze the influence of the meteorological factors on output. The corn and the soybean output have well relationship to the accumulated temperature, the increasing of the accumulated temperature make the output increase. On the other hand, the correlation between potato and wheat output and the rainfall is obvious, the precipitation increasing can cause the less output.
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