雪松的播种育苗

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【正】 雪松为世界最著名的五大园林树种之一,是我国城市园林绿化中栽种最多的骨干树种,主要采用播种和扦插育苗。雪松播种育苗应抓住以下几个技术环节。 1.整地。选择疏松肥沃、排灌方便的沙壤圃地,初冬将其深翻,同时,每亩地施入饼肥250公斤、过磷酸钙50公斤。 2.作床。早春2月,将圃地挖沟作床,一般亩床长8~10米、宽1~1.2米、高0.3米,中间稍高,四周略低。为使播
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