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最近我们在山东省的日照县发现了将近100株成材的杉木,有的树龄已达80年左右,而且生长得很好。生长于该县的一株三十年左右的杉木(刺杉),已高达15公尺,直径30公分。据老农谈,此为用插条法繁殖的一株杉木。58年8月下旬,该县平台苗圃曾试插了6株当年生的杉条,插后既未遮荫,也未防冻,今春检查成活了42株,插穗的低端并发生出许多三、四公分长的须根,上都也已由红变青,有新芽萌
Recently, we found nearly 100 fir plants in Rizhao, Shandong Province. Some of them have reached 80 years old and grow well. A thirty-year-old Chinese fir (Cedar) growing in the county has a height of 15 meters and a diameter of 30 centimeters. According to the old farmers talk, this is a method of propagation with a cuttings of fir. 58 in late August, the county platform nursery had tried inserted six annual cedar, inserted neither shading nor antifreeze, check this spring survived 42, the cuttings at the low end and a lot of three, Four centimeters long fibrous roots, have also changed from red to green, sprouting buds