封闭育苗,简言之,就是棚套棚(荫棚套塑棚)。方法简单,省工省本。除少数特殊品种外适用于多种花卉苗木的扦插繁殖,不受时间季节气候的限制,全年可以育苗。 (一)圃地选择: 圃地应选择排水良好的砂质壤土为好。土质太粘宜适当掺些砂土 Closed nursery, in short, is shed shed shed (shade shed shed plastic shed). The method is simple, saving labor and capital. Except for a few special varieties, it is suitable for cuttage propagation of many kinds of flowers and seedlings, not limited by time and climate, and can grow seedlings all year round. (A) garden choice: garden should choose well-drained sandy loam as well. Soil is too viscous should be appropriate to add some sand