论帽儿山地区物侯季节的划分和农(林)时预测

本文分析了各种划分季节方法的利弊。肯定了以物候资料划分季节的优点;并以帽儿山地区多年的物候资料划分了季节。并编制了帽儿山地区的物候历。总结出了利用物候历预测农(林)时的经验公式 X=A_t+(B-C) X——某种农(林)时的预测日期 A_t——早于指示植物先开花的植物当年的开花始期 B——物候指示植物开花始期的多年平均日期 C——早于指示植物先开花的植物开花始期的多年平均日期。

DIVISION OF PHENOLOGICAL SEASON AND PREDICATION OF FARMING SEASON

This paper analysed the advantages and disadvantages of differentmethods of phenological season division. It confirmed the advantagesof division season according to the phenological data:and the phenol-ogical seasons of Maoer Mountain area are divided on the basis of thephenological and climatic data of this area.The phenological calendarof Maoer mountain is worked out and the formula predicating the far-ming season by phenological calendar has becn put forward as follows:X=A_t+(B-C)X=the predicative date of certain farming seasonB=average date of the intiation ot flowering period of the phenological marker plant for yearsA_t=the date of initiation of flowering period of plant flowering earlier than the marker plant in the current yearC=the average date of initiation of flowering period of plant flowering earlier than the marker plant for years.