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试验材料及方法试验材料系2年生未经移植的油松原生苗,于今年4月1日,按照下述方法处理,于4月2日栽植。试验地分为5个小区,每一小区栽植幼苗50丛(2株为1
Test Materials and Methods The experimental materials were 2-year-old untreated Pinus tabulaeformis seedlings and were treated on April 1 this year according to the following method and planted on April 2. The experiment was divided into five plots, each plot planting 50 seedlings (2 strains of 1