散堆填料
摘要：本文利用黑龙江省农业气象观测物候资料，分析黑龙江省木本植物物候期对气候变化响应，指出对黑龙江省木本植物展叶始期影响最直接的因子是4月气温，4月平均气温每下降1.0℃，紫丁香的展叶始期推迟保护层垫块3.1天，旱柳推迟2.8天，榆树推迟2.2天，小叶杨推迟混凝土砌块成型机3.0天；地温对展叶始期最直接的影响表现在多功能电源插座4月上旬和中旬，当年这两个旬的地温偏低，植物展叶始期则推迟。木本植物绿叶期对年平均气温敏感，年平均气温每上升1.0℃，紫丁香的绿叶期延长11.7天，旱柳延长10.3海泡石纤维天，榆树延长5.6天，小叶杨延长6.6天。
关键词： 木本植物； 物候期； 气候变化； 黑龙江省
abstract: the heilongjiang province agricultural meteorological observation of phenological data in this paper, analysis of phenology of woody plants in response to climate change in heilongjiang province, points out that the factor of heilongjiang province woody plant leaf at the beginning of the most direct impact is the temperature in april, the average april temperature decreases by 1 ℃, lilac fragrant leaf was delayed 3.1 days, salix matsudana a delay of 2.8 days, 2.2 days of populus simonii elm postponed, delayed 3 days; performance
of leaf temperature was the most direct influence in the early and mid april, the year the two dekad temperature is low, the plant leaf stage was postponed. woody plant green period of annual average temperature, annual average temperature 1 ℃淀粉加工every rise, prolong the lilac leaves period of 11.7 days, salix matsudana extended by 10.3 days, elm extended by 5.6 days, populus simonii was extended for 6.6 days.
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