Comparison of productivity between first and second rotation stands of <em>Pinus massoniana</em> planted in different densities

WEN Zuo-wu

Volume 21 Issue 1

Feb. 2017

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WEN Zuo-wu. Comparison of productivity between first and second rotation stands of Pinus massoniana planted in different densities[J]. Journal of Zhejiang A&F University, 2004, 21(1): 22-27.

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WEN Zuo-wu. Comparison of productivity between first and second rotation stands of Pinus massoniana planted in different densities[J]. Journal of Zhejiang A&F University, 2004, 21(1): 22-27.

Comparison of productivity between first and second rotation stands of Pinus massoniana planted in different densities

WEN Zuo-wu^,

1.
College of Forestry , Guizhou University , Guiyang 550025, Guizhou , China

Funds:

九五国家科技攻关资助项目(96-011-01-01)

Received Date: 2003-07-03
Rev Recd Date: 2003-10-03
Publish Date: 2004-03-20

Abstract

The experimental planting density plantations in two rotations of Pinus massoniana are studied at the same site of the Longli Forest Farm of Cuizhou Province .According to the data of 11-year and 17-year Pinus massoniana collected from the experimental plantations , productivity of the plantation and soil nutrient in first and second rotations are compared .The results show that in the plantation with the site index of 16 m and medium site quality , the mean height and dominant height of second rotation plantations approaches or exceeds all those of first rotation stands .Most analyzed soil nutrient factors of second rotation plantations are higher than those of first rotation plantations , and general decline in productivity and soil degradation of second rotation stands are not found .So the second rotation plantation can be established at the sites where site index is around 16 m after the first rotation plantation of Pinus massoniana are felled .[ Ch , 3 tab .15 ref.]
- forest regulation,
- Pinus massoniana,
- density of plantation,
- first and second rotations,
- productivity

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Comparison of productivity between first and second rotation stands of Pinus massoniana planted in different densities

1. College of Forestry , Guizhou University , Guiyang 550025, Guizhou , China

Funds:

九五国家科技攻关资助项目(96-011-01-01)

Received Date: 2003-07-03

Rev Recd Date: 2003-10-03

Publish Date: 2004-03-20

Key words:

Abstract: The experimental planting density plantations in two rotations of Pinus massoniana are studied at the same site of the Longli Forest Farm of Cuizhou Province .According to the data of 11-year and 17-year Pinus massoniana collected from the experimental plantations , productivity of the plantation and soil nutrient in first and second rotations are compared .The results show that in the plantation with the site index of 16 m and medium site quality , the mean height and dominant height of second rotation plantations approaches or exceeds all those of first rotation stands .Most analyzed soil nutrient factors of second rotation plantations are higher than those of first rotation plantations , and general decline in productivity and soil degradation of second rotation stands are not found .So the second rotation plantation can be established at the sites where site index is around 16 m after the first rotation plantation of Pinus massoniana are felled .[ Ch , 3 tab .15 ref.]

Comparison of productivity between first and second rotation stands of Pinus massoniana planted in different densities

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1. College of Forestry , Guizhou University , Guiyang 550025, Guizhou , China

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Comparison of productivity between first and second rotation stands of Pinus massoniana planted in different densities

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Comparison of productivity between first and second rotation stands of Pinus massoniana planted in different densities

1. College of Forestry , Guizhou University , Guiyang 550025, Guizhou , China

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