Effects of Low Temperature and OvercastRainy Weather on Crop Yields in Dandong
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Abstract:
The spring meteorological data from 1978 to 2015 in the Dandong area are used to analyze the extent of crop damages, which are divided into three different levels, because of low temperature, overcast or rainy weather, as well as scant lightingThe Lagrange interpolation method is used to calculate the expected crop output, and the separation method is used to separate the yield loss caused by the above mentioned weather Results show: (1) The yields of rice and soybean in the Dandong region show significant staged changes(2) The effects of low temperature and rainy weather on crops are : maize＞soybean＞riceThe effects of low temperature and scant lighting weather on crops are different: soybean＞maize＞rice In addition, the influence of rainy and cold rainy weather on corn and soybean is much larger than that on rice
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.