Effect of Canopy Density on Seed Yield of Chinese Fir in Seed Orchard.

He Fuji; Wu Mingan; Ni Rongxin; Xie Zhengcheng; Zhang Jianzhong.

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Volume 12 Issue 3

May 2019

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Article Navigation > Journal of Zhejiang A&F University > 1995 > 12(3): 311-315

He Fuji, Wu Mingan, Ni Rongxin, et al. Effect of Canopy Density on Seed Yield of Chinese Fir in Seed Orchard.[J]. Journal of Zhejiang A&F University, 1995, 12(3): 311-315.

Citation:

He Fuji, Wu Mingan, Ni Rongxin, et al. Effect of Canopy Density on Seed Yield of Chinese Fir in Seed Orchard.[J]. Journal of Zhejiang A&F University, 1995, 12(3): 311-315.

Effect of Canopy Density on Seed Yield of Chinese Fir in Seed Orchard.

1.
Zhejiang Forestry College, Lin'an 311300, PRC

Received Date: 1994-10-21
Publish Date: 1995-09-30

Abstract

Investigation of two F1 seed orchards of Chinese fir at Changle Forest Farm and Qingyuan Forest Farm in Zhejiang Province and determination of carbob-nitrogen ratio of same clone in different canopy densities showed that the effect of canopy density on seed yield had been great, with lower yield per crown in too scarce or too dense canopy densities. In full cone period, the seed orchard should be timely thinned to ensure the best suitable canopy densities (from 0.58 to 0.66).
- Cunninghamia lanceolata,
- seed orchard,
- canopy density,
- yield

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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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Effect of Canopy Density on Seed Yield of Chinese Fir in Seed Orchard.

1. Zhejiang Forestry College, Lin'an 311300, PRC

Received Date: 1994-10-21
Publish Date: 1995-09-30

Key words:

Abstract: Investigation of two F1 seed orchards of Chinese fir at Changle Forest Farm and Qingyuan Forest Farm in Zhejiang Province and determination of carbob-nitrogen ratio of same clone in different canopy densities showed that the effect of canopy density on seed yield had been great, with lower yield per crown in too scarce or too dense canopy densities. In full cone period, the seed orchard should be timely thinned to ensure the best suitable canopy densities (from 0.58 to 0.66).

He Fuji, Wu Mingan, Ni Rongxin, et al. Effect of Canopy Density on Seed Yield of Chinese Fir in Seed Orchard.[J]. Journal of Zhejiang A&F University, 1995, 12(3): 311-315.

Citation:

He Fuji, Wu Mingan, Ni Rongxin, et al. Effect of Canopy Density on Seed Yield of Chinese Fir in Seed Orchard.[J]. Journal of Zhejiang A&F University, 1995, 12(3): 311-315.

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