Thinning program applied in the growth model for the spruce-pine stands in northeastern Poland [selective thinning]
1991
Siekierski, K. (Warsaw Agricultural University, Warsaw (Poland). Dept. of Forest Productivity)
Type and intensity of thinning can be chosen by using a thinning program as applied in the growth model for spruce-pine stands. Pines are divided into Kraft classes and spruces into dominant and suppressed stands
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