【摘要】 对苇河林区1986年~2005年红松开花结实物候期进行观测,找出红松开花结实的变化规律,指出红松开花结实各物候期的最适温度。更多还原

【Abstract】 The phenophase of blossoming and bear fruit of Pinus Koraiensis in Weihe district was observed from 1986 to 2005, the results showed the regularity of blossoming and bear bruit and the optimum temperature in phenological periods of blossoming and bear fruit.更多还原