六、天候与物候相结合桩头在盆中成活后,进入正常管理,为适应高层阳台的特殊环境,与地培比较:阳光烈,熏蒸大,气流急,寒霜重,干扰多。有三点经验。第一、按季“四防”。即春防冻,夏防渍,秋防旱、冬防生。“春防冻”。实践检验苗木冻死冻坏,多不在冬天而在春天。冬季固然气温低,而盆土温度尚高,且 Sixth, the combination of weather and phenology After the pile head survives in the basin, into the normal management, in order to adapt to the special environment of the high-rise balcony, compared with the ground culture: sun, fumigation, air flow, frost, interference and more. There are three experiences. First, quarterly “four defenses.” That spring antifreeze, summer stains, autumn drought, winter prevent students. “Spring antifreeze.” Practice testing cold frozen seedlings frozen, mostly in the winter and not in the spring. Although the winter temperature is low, while the basin temperature is still high, and