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庭荫树种植方法
更新时间: 2021-04-13 23:53:47  

1、育苗庭荫树虽能耐干燥、瘠薄,但育苗以选择较肥沃、湿润的沙壤土为宜。春季或秋季采用条播,行距20厘米,覆土厚0.5~1厘米,每亩播种量15斤左右。种皮致密,有蜡质,播种后发芽较慢且很不整齐,播种前需用热水烫种,再浸种催芽。经过催芽的种子,播后3~5天即可发芽出土。幼苗期要加强除草、灌溉,形成2~3片叶后追肥,间苗。

2、年生春播苗高约50~60厘米,起苗时主根剪至25厘米左右,苗干短截至10厘米左右。冬季无霜害地区应采后即播(8月),当年苗高可达20~30厘米,翌春出圃造林,苗干不必短截,仅需适当修剪枝叶。

关键词: 种植 方法

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