Welcome to Chinese Agricultural Science Bulletin,

Chinese Agricultural Science Bulletin ›› 2014, Vol. 30 ›› Issue (36): 48-54.doi: 10.11924/j.issn.1000-6850.2014-1717

Special Issue: 小麦 农业气象

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Spatial-Temporal Distributions of Climatic Suitability Index of Winter Wheat over the Huanghuaihai Region of China in 1987-2012

Zhang Yanhong, Lv Houquan, Qian Yonglan   

  1. (National Meteorological Center, Beijing 100081)
  • Received:2014-06-19 Revised:2015-01-16 Accepted:2014-07-18 Online:2015-03-20 Published:2015-03-20

Abstract: In order to study the climatic suitability of climate resources for winter wheat over the Huanghuaihai Region, based on existing study result, the evaluation model of climatic suitability of winter wheat was selected. According to homogenizing principle, 63 stations in 5 provinces of Huanghuaihai Region of China were chosen, using their meteorological data from 1987 to 2012, the spatial-temporal distributions of climatic suitability index of winter wheat were analyzed. The results indicated that: the temperature suitability, sunshine suitability, precipitation suitability of spatial distribution difference were obvious, the temperature suitability index from north to south, sunshine suitability index from east to west and rainfall suitability index from south to north generally had a declining regional distribution. The climatic suitability index was higher and could meet the needs of different stages of winter wheat growth. The sunshine suitability index was higher than 0.8, the temperature suitability index was higher than 0.7 except tillering stage , but the suitability of precipitation was low and the natural precipitation was a limited key factor to the winter wheat production in this region.