Assessment Model of Cotton Yield Damaged by Drought in Shandong Province
Xue Xiaoping\ Zhao Hong\ Chen Yanling\ Li Hongyi (Shandong Meteorological Bureau, Jinan\ 250031)
The statistical method was used to analysis the climatic yield of cotton and the climatic factors. The main precipitation factors and the water requirement index are obtained. According to the year's precipitation, the level of cotton yield damaged by drought can be assessed, then the assessment model of cotton yield damaged by drought was developed for the region and the province as well.