A Complete Collection of 100000 Whys
Fav十万个为什么
为什么春天植物会发芽？
1、春天温度升高，土壤解冻，植物感受到适宜的生长条件，从而开始发芽。
2、春天的光照时间逐渐变长，植物通过光合作用积累能量，为发芽提供动力。
3、春天气温的稳定和湿度增加，有助于植物根系吸收水分和养分，促进发芽。
4、春天的土壤中微生物活动增强，分解有机物，释放出植物生长所需的养分。
5、植物体内的生长激素在春天达到高峰，刺激细胞分裂和生长，促使发芽。
总之，春天植物发芽是温度、光照、水分、养分和激素等多种因素共同作用的结果，是植物适应季节变化的一种自然现象。
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