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1980年,我们在柚溪公社分岭坑大队造杉木林时,施了少量的钙镁磷肥,当年幼林平均高生长量比对照(未施肥)增长35％。1981年开始在许多大队推广应用这一技术措施,都取得了显著效果。调查测定结果如下表:
In 1980, we made a small amount of calcium magnesium phosphate fertilizer when we made Chinese fir forest in the sub-Lingkeng Brigade in Pizhou Creek Commune. The average growth of young plantation in that year was 35% higher than that of the control (without fertilization). Since 1981, the promotion and application of this technical measure in many brigades has achieved remarkable results. Survey results are as follows: