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目前,用相关系数进行农业气候分析已成为国内外农业气候分析的一个主要方法。通过多年农作物的单产(通常取去掉人为因素的气候产量)与同期不同生育时段的气象要素所求取的相关系数,找出影响本地不同作物在不同生育时段内与气候条件的相关关系;定性地指出不同作物形成产量的气象障碍因子(或促进因子);定量地揭示其影响程度;建立农业气候产量预报方程;提出合理的农业气候建议。
At present, using the correlation coefficient for agricultural climate analysis has become a major method of agricultural climate analysis at home and abroad. Through the correlation coefficient between the yield of many years of crops (usually taking climate factors with human factors) and the meteorological elements of different growth stages in the same period, we can find out the correlation between climatic conditions and different crops at different growth stages. Indicate the meteorological obstacle factor (or promoting factor) of different crops to form the yield; Reveal quantitatively the degree of influence; Establish the agricultural climate yield forecasting equation; Propose the reasonable agro-climatic suggestion.