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松、杉是我省重要用材树种。据“五五”清查,其林分蓄积占全省总蓄积的46％;其人工林面积为全省松、杉总面积的28％,占全省人工林总面积的80％。可见松、杉在我省国民经济中占有重要的地位。实践证明,要提高松、杉用材林的单产和材质,除良种壮苗、细致整地、合理密
Pine, fir is an important timber species in our province. According to the “Five-year” inventory, its stand volume accounted for 46% of the province’s total stock; the plantation area for the province pine, fir the total area of 28%, accounting for 80% of the total area of the province’s plantation. Can be seen pine, fir in our province’s national economy occupies an important position. Practice has proved that it is necessary to improve the yield of pine and fir timber forest and material, in addition to seedling strong seed, meticulous soil preparation, reasonable density