当前位置: 首页 > 文章 > 不同初植密度的红松果林生长及结实状况的调查 吉林林业科技 2013,42 (3) 6-8
Position: Home > Articles > Growth and fruiting states investigation on different planting density of fruit-harvest forest of Pinus koraiensis Journal of Jilin Forestry Science and Technology 2013,42 (3) 6-8

不同初植密度的红松果林生长及结实状况的调查

作  者:
肖辉情;王春明;王海
单  位:
大安市林业局;吉林省林业调查规划院
关键词:
初植密度;红松果林;结果率
摘  要:
对不同初植密度红松果林生长与结实状况的调查结果表明,株行距2.0 m×2.0 m造林地块(18 a)结果率比株行距3.0 m×3.0 m造林地块低80%;在进行光合作用能力的主要指标上,2.0 m×2.0 m造林地块单株冠幅比3.0 m×3.0 m造林地块小18%,林冠下造林地块单株冠幅比3.0 m×3.0 m造林地块小140%。营造红松果林宜采用大株行距造林的方法。
译  名:
Growth and fruiting states investigation on different planting density of fruit-harvest forest of Pinus koraiensis
作  者:
XIAO Hui-qing1,WANG Chun-ming2,WANG Hai2(1.Forest Inventory and Planning Institute of Jilin Province,Changchun 130022,China;2.Da'an Forestry Bureau,Baicheng 131300,China)
关键词:
planting density;fruit-harvest forest of Pinus koraiensis;fruiting rate
摘  要:
The growth and fruiting states investigation results of different planting density of fruit-harvest forest of Pinus koraiensis indicated that the fruiting rate of planting sites(18 a)with planting spacing of 2.0 m×2.0 m was 80% lower than that of 3.0 m×3.0 m;Among the leading indicator of photosynthesis ability,crown width per plant of planting sites of 2.0 m×2.0 m was 18% smaller than that of 3.0m×3.0m,and under the canopy,was 140% smaller than that of 3.0 m×3.0 m.The large planting spacing forestation was a suitable method to build fruit-harvest forest of Pinus koraiensis.

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