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根据毛主席“有了优良品种,既不增加劳动力、肥料,也可获得较多的收成”的教导,我场自一九七六年以来,已营造刺槐无性系种子园140亩;无性系测定林30亩;园内配有省内评选的刺槐无性系39个;对照木17个。一九七七年调查:二年生平均树高4.7米,胸径4.6厘米,冠幅2.7米,已部分开花结果。 一、园址选择:根据刺槐适生条件、结果习性和我场的具体情况,园址选择在狗山子,总面积750亩,海拔100～250米,地形是东西向阳坡,地势是15～20度的缓坡,土壤多为沙壤土,间有粘土和粗骨土。该山原为黑松纯林,建园后,外围保留天然的黑松林带。园下有中型水库一坐。
According to Chairman Mao’s teaching that “with fine varieties, neither increased labor force nor fertilizers, but also more harvests,” our field has created 140 acres of acacia seed orchard since 1976; clonal determination Forest 30 acres; park with the province selected acacia locust clones 39; control wood 17. In the survey of 1977, the average biennial tree height was 4.7 meters, the diameter at breast height was 4.6 centimeters and the crown width was 2.7 meters. First, the site selection: According to Robinia pseudoacacia conditions, the results of the habits and the specific circumstances of my field, the site selection in the Gushanzi, with a total area of 750 acres and an elevation of 100 to 250 meters, the terrain is sunny, terrain is 15 to 20 Degree of gentle slope, mostly sandy loam soil, between clay and coarse bone soil. The original mountain of black pine pure forest, built park, the periphery to retain the natural black pine belt. Park under a medium-sized reservoir sit.