| 青海三江源区青海云杉育苗密度与经济效益初探 |
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| 引用本文： | 周国荣.青海三江源区青海云杉育苗密度与经济效益初探[J].中南林业调查规划,2007,26(3):62-64. |
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| 作者姓名： | 周国荣 |
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| 作者单位： | 青海省黄南州麦秀林场 青海黄南811300 |
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| 摘 要： | 通过对三江源自然保护区青海云杉在不同育苗密度下生长状况的试验调查,以及经济效益的分析,结果表明:3 a生原床苗在密度为600万株/hm2时生长状况最佳,密度为900万株/hm2时经济效益最佳;6 a生移植苗在密度为180万株/hm2时生长状况最佳,密度为240万株/hm2时经济效益最佳。
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| 关 键 词： | 青海云杉 育苗 经济效益 |
| 文章编号： | 1003-6075（2007）03-0062-03 |
| 收稿时间： | 2007-02-13 |
| 修稿时间： | 2007-03-25 |
Initiative Study on Seedling Density and Economic Benefit of Spruce Picea Crassifolia in Qinghai Sanjiangyuan District |
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| ZHOU Guo-rong.Initiative Study on Seedling Density and Economic Benefit of Spruce Picea Crassifolia in Qinghai Sanjiangyuan District[J].Central South Forest Inventory and Planning,2007,26(3):62-64. |
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| Authors: | ZHOU Guo-rong |
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| Institution: | Maixiu Forest Farm of Huangnan Prefecture in Qinghai Province,Qinghai Huangnan Prefecture 811300,China |
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| Abstract: | Through the experiment investigation to growth condition at different seedling density for Spruce Picea Crassifolia in Sanjiangyuan Nature Reserve and through analysis to economic benefits,the results show that:for 3 a former seedbed,its growth condition is the best one when at the density of 6 million trees/hm2,and its density economic benefit is the best one when at the density of 9 million trees/hm2;for 6 a transplant,its growth condition is the best one when at the density of 1.8 million trees/hm2,and its economic benefit is the best one when at the density of 2.4 million trees/hm2. |
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| Keywords: | Spruce Picea Crassifolia seedling economic benefit |
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