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刺槐(Robinia·Pseudoacacia)原产美国东部,二十世纪初引入我省,目前在我省,从北纬38°41′的旅顺口至42°42′的西丰,从东经119°19′的凌源至124°42′的宽甸的区域内均有栽培,面积达300多万亩,是我省主要的造林树种之一。刺槐木材坚韧,纹理细致,弹性好,每平方米抗压力630公斤,耐水湿,抗腐朽,适用于矿柱、电线杆、地板、滑雪板、农具和造船等用材。刺槐在年平均气温7°～14℃,年降水量500～900毫米,地下水位一米以下,土壤含盐量小于0.26％的地区生长为好。刺槐虽对土壤要求不严,但生长好坏与土壤养分关系极大。如兴城县首山有一片13
Robinia Pseudoacacia is native to the eastern United States and was introduced into the province in the early 20th century. At present, in our province, from Lushun mouth at latitude 38 ° 41 ’to Xifeng at 42 ° 42’, Ling from east longitude 119 ° 19 ’ Cultivated land covering an area of 124 ° 42 ’and Kuandian, covering an area of more than 3 million mu, is one of the major afforestation species in our province. Robinia wood tough, delicate texture, good elasticity, pressure resistance 630 square meters per square meter, water wet, anti-rotten, suitable for pillars, utility poles, floors, skis, farm tools and shipbuilding and other timber. Robinia pseudoacacia grows well in areas with an annual average temperature of 7 ° -14 ° C, annual rainfall of 500-900 mm, groundwater level of less than 1 meter and soil salinity of less than 0.26%. Acacia although not strict on the soil, but good or bad growth and soil nutrients. Xingcheng County, such as the first mountain has a 13