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据现代科学分析表明,自然土壤中存在许多危害植物生长的害虫、线虫、真菌、细菌及病毒等有害生物。为保护本地区农业生产的安全,世界上绝大多数国家明令禁止土壤进口。目前我国出口的盆景大都在装运前洗净根部的土壤,换上保湿材料才能出口。为保证成活率,不惜采用昂贵的飞机空运,以减少途中耽搁的时间。这样,使严重限制了中国盆景的大批量出口。由于土壤问题,致使中国盆景不能大批量进入加拿大、澳大利亚、新西兰和日本等国家。
According to modern scientific analysis, there are many pests, nematodes, fungi, bacteria and viruses that endanger the growth of plants in natural soils. To protect the security of agricultural production in the region, the vast majority of countries in the world have banned soil imports. At present, most of China’s exports of bonsai wash the root of the soil before shipment, put the moisturizing material to export. In order to ensure the survival rate, they did not hesitate to use expensive aircrafts to reduce the delay on their way. In this way, a serious limitation on the large-scale export of bonsai in China. Because of soil problems, China’s bonsai can not be brought into large quantities in Canada, Australia, New Zealand and Japan.