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江苏省松江养路段,几年来在所管辖的75公里公路上,栽了21,376株行道树,并开辟了16处小型苗圃。现在就简章地把他们培育幼苗、种植及养护行道树的方法介绍在下面。培育幼苗,分下列三个步骤: 1.播种:秋天收集重阳木、乌桕、梧桐、枫杨等大树上成熟的树籽,放在太阳下晒过(注意不宜晒的过干),用砂土拌和藏入瓦甕。初冬时,将育苗土地翻松(约20公分深),使土壤风化,使害虫冻死。初春至清明前。施基肥,并将苗地翻松,使基肥混入土内,再将土地做成约1.5公尺宽的长方形苗床,以便除草、施
In Songjiang maintenance section of Jiangsu Province, in the past few years, 21,376 sidewalk trees have been planted on 75 kilometers of roads under its jurisdiction and 16 small nurseries have been opened up. Let us now briefly introduce the methods of cultivating seedlings, planting and preserving the trees in the streets below. Nurture seedlings, divided into the following three steps: 1. Sowing: In autumn, collect the mature tree seeds on the trees of Chongyang, Wuyi, Sycamore, Maple and so on, and put it under the sun (pay attention not to dry in the sun) Soil mixed with hidden urn. In early winter, the nursery land is loosen (about 20 cm deep), weathering the soil and freezing the pests. Early spring to Qingming before. Base fertilizer, and the Miao to loose, so that the base mix into the soil, and then make the land about 1.5 meters wide rectangular seedbed for weeding, Shi