编辑同志: 我们春天栽的苹果树,三、四个月了还不发芽,但一不皱皮、二不干梢,并未死去。这是啥原因? 太原张建国张建国同志: 你说的这种现象,一般叫“闷芽”。原因大概有这么几个:一是苗木伤根多,特别是须根太少,造成地上地下生理机能失调;二是栽得过深,深土中氧气不足,微生物少,根系生长条件不良,伤口难以愈合,使地上部不能及时发芽;三是低温多湿,苹果 Edit comrades: we planted the apple tree in spring, three or four months did not germinate, but one does not wrinkle, two do not tip, did not die. What is the reason? Comrade Zhang Jianguo in Changyuan: You say this phenomenon is generally called “mutilation.” There are probably several reasons: First seedling injury root more, especially the fibrous root is too small, resulting in above-ground physiological dysfunction; Second planted too deep, deep in the oxygen deficiency, micro-organisms, poor root growth conditions, the wound is difficult Healing, so that the ground can not germinate in time; Third, low temperature and humidity, apple