Growth and culm form of <em>Phyllostachys pubescens</em> with fertilization

WANG Hong; JIN Xiao-chun; JIN Ai-wu; SONG Yan-dong; CHAI Hong-ling; WU Lin-sen

doi:10.11833/j.issn.2095-0756.2011.05.009

Volume 28 Issue 5

Oct. 2011

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WANG Hong, JIN Xiao-chun, JIN Ai-wu, SONG Yan-dong, CHAI Hong-ling, WU Lin-sen. Growth and culm form of Phyllostachys pubescens with fertilization[J]. Journal of Zhejiang A&F University, 2011, 28(5): 741-746. doi: 10.11833/j.issn.2095-0756.2011.05.009

Citation:

WANG Hong, JIN Xiao-chun, JIN Ai-wu, SONG Yan-dong, CHAI Hong-ling, WU Lin-sen. Growth and culm form of Phyllostachys pubescens with fertilization[J]. Journal of Zhejiang A&F University, 2011, 28(5): 741-746. doi: 10.11833/j.issn.2095-0756.2011.05.009

Growth and culm form of Phyllostachys pubescens with fertilization

doi: 10.11833/j.issn.2095-0756.2011.05.009

1.
Resesrch Institute of Forest Resource Information Techniques，Chinese Academy of Forestry，Beijing 100091;
2.
Zhejiang Lishui Vocational College，Lishui 323000，Zhejiang，China;
3.
The Nurturing Station for the State Key Laboratory of Subtropical Silviculture，Zhejiang A & F University，Lin’an 311300，Zhejiang，China

More Information

Corresponding author: JIN Ai-wu
Publish Date: 2011-10-20

Abstract

This study was conducted to determine the effect of fertilization for Phyllostachys pubescens on the culm form and to help optimize fertilizer application. Based on a participatory rural appraisal（PRA） survey to households of Longquan City of Zhejiang，38 pole-dominated dual-purpose（pole and bamboo shoots） standard plots（20 m 30 m， site slope ＜ 30） were identified among which 7 plots were typical sampled for recommended fertilization stands（N ∶ P ∶ K ＝ 17 ∶ 8 ∶ 5，1 125 kghm-2，ditch-fertilizing，over 5 years）and for unfertilized stands （over 10 years） respectively. The pole growth between the recommended fertilized stands and unfertilized stands were compared and regression equations were developed for internode length versus DBH， pole weight distribution， wall thickness and taper to reflect Ph. pubescens culm form. Ducans multiple comparisons and significance test showed that the density of fertilized stands was 930 culmshm-2 higher than the unfertilized but the culm weight for fertilized stands was 6.8% lighter than the unfertilized， both reaching significant difference level. Covariance analysis and t-test showed insignificant difference of fertilization effect on pole weight distribution， wall thickness and taper（P＞0.05）. Therefore，after fertilization the Ph. pubescens stands culm weight dropped but the culm diameter and stands density increased over time indicating that optimal fertilization could increase stands level bio-productivity.［Ch，5 fig. 3 tab. 16 ref.］
- silviculture,
- Phyllostachys pubescens,
- culm form,
- fertilization,
- site 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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Growth and culm form of Phyllostachys pubescens with fertilization

1. Resesrch Institute of Forest Resource Information Techniques，Chinese Academy of Forestry，Beijing 100091;

2. Zhejiang Lishui Vocational College，Lishui 323000，Zhejiang，China;

3. The Nurturing Station for the State Key Laboratory of Subtropical Silviculture，Zhejiang A & F University，Lin’an 311300，Zhejiang，China

Corresponding author: JIN Ai-wu

Publish Date: 2011-10-20

Key words:

Abstract: This study was conducted to determine the effect of fertilization for Phyllostachys pubescens on the culm form and to help optimize fertilizer application. Based on a participatory rural appraisal（PRA） survey to households of Longquan City of Zhejiang，38 pole-dominated dual-purpose（pole and bamboo shoots） standard plots（20 m 30 m， site slope ＜ 30） were identified among which 7 plots were typical sampled for recommended fertilization stands（N ∶ P ∶ K ＝ 17 ∶ 8 ∶ 5，1 125 kghm-2，ditch-fertilizing，over 5 years）and for unfertilized stands （over 10 years） respectively. The pole growth between the recommended fertilized stands and unfertilized stands were compared and regression equations were developed for internode length versus DBH， pole weight distribution， wall thickness and taper to reflect Ph. pubescens culm form. Ducans multiple comparisons and significance test showed that the density of fertilized stands was 930 culmshm-2 higher than the unfertilized but the culm weight for fertilized stands was 6.8% lighter than the unfertilized， both reaching significant difference level. Covariance analysis and t-test showed insignificant difference of fertilization effect on pole weight distribution， wall thickness and taper（P＞0.05）. Therefore，after fertilization the Ph. pubescens stands culm weight dropped but the culm diameter and stands density increased over time indicating that optimal fertilization could increase stands level bio-productivity.［Ch，5 fig. 3 tab. 16 ref.］

Growth and culm form of Phyllostachys pubescens with fertilization

doi: 10.11833/j.issn.2095-0756.2011.05.009

Abstract

References

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通讯作者: 陈斌, bchen63@163.com

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Growth and culm form of Phyllostachys pubescens with fertilization

doi: 10.11833/j.issn.2095-0756.2011.05.009

Corresponding author: JIN Ai-wu

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Growth and culm form of Phyllostachys pubescens with fertilization

doi: 10.11833/j.issn.2095-0756.2011.05.009

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通讯作者: 陈斌, bchen63@163.com

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Growth and culm form of Phyllostachys pubescens with fertilization

doi: 10.11833/j.issn.2095-0756.2011.05.009

Corresponding author: JIN Ai-wu

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