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福建南平莱州林场,1955年1—2月在马坑地区营造大面积马尾松(Pinusmassonlanu)林,造林时采用一年生苗木,株行距为1×1米,1956年,1958年和1959年各劈草撫育一次。现在幼树生长良好,树冠全部闭锁,于闭度达0.9—1.0。但在马尾松林下坡分布有一片阔叶树林,林冠深入马尾松林地上方,盖复了相当面积的马尾松林,被压的马尾松幼树生长完全两样,于闭度在0.4以下,不少植株趋向死亡。为此我们在莱州林场陈祖琛同志的协助下,进行了马尾松幼树正常与被压生长状况的调查,在自然的情况下来正确反映两者不同的生长规律,提供林业生产、教学和科学研究上点滴粗浅的参考资料。
Fujian Laizhou forest farm in Nanping, from January to February 1955 in Ma Hang area to create a large area of Pinus massoniana forest, afforestation using annual seedlings, spacing of 1 × 1 m, 1956, 1958 and 1959, Tending again. Now saplings grow well, canopy all closed, in the closure of 0.9-1.0. However, there was a broad-leaved forest distributed on the downslope of Pinus massoniana forest. The canopy was deeply above the Pinus massoniana forest and covered with a considerable area of Pinus massoniana forest. The pressed Pinus massoniana saplings grew completely different, with a closedness below 0.4, death. To this end, with the assistance of Comrade Chen Zushen from Laizhou Forestry Center, we conducted a survey on normal and suppressed growth of saplings of young Pinus massoniana and correctly reflected the different growth patterns of the two in the natural situation and provided forestry production, teaching and scientific research Bit by bit shallow reference.