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为引进优良栎树树种,使栲胶产品质量赶上国际先进水平,林业部安排了8个省市的有关单位进行了大鳞栎的引种试验,我县是其中的一个。 大鳞栎(Quercus macrolapsis)原分布在爱琴海和地中海沿岸丘陵地区,这里夏季干热少雨,冬季温暖多雨。此树栎实单产高,质量好,单柠含量高达40%左右,是较好的栲胶原料。大鳞栎15年左右结实,单株产栎实150公斤左右,高的可达400公斤,树龄可达150年。适生条件是:年平均气温16.6℃,平均最高
In order to introduce the excellent oak tree species and make the quality of yuba glue catch up with the international advanced level, the Ministry of Forestry has arranged the introduction test of oyster oak in eight provinces and cities, and our county is one of them. Quercus macrolapsis was originally found in the Aegean and the hilly Mediterranean coasts, where it dries and dries in summer and warms and dries in winter. This tree oak real high yield, good quality, single lemon content of up to 40%, is a better gum material. Large-scale oak 15 years or so strong, oak per plant is about 150 kg, up to 400 kg high, up to 150 years old. Conditions suitable for living: the annual average temperature of 16.6 ℃, the highest average