Comparison of soil microorganisms and biochemical roles for first and second generation <em>Pinus massoniana</em> plantations

HE Pei-yun; DING Gui-jie; CHEN Hong-hui

doi:10.11833/j.issn.2095-0756.2012.05.011

Volume 29 Issue 5

Sep. 2012

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HE Pei-yun, DING Gui-jie, CHEN Hong-hui. Comparison of soil microorganisms and biochemical roles for first and second generation Pinus massoniana plantations[J]. Journal of Zhejiang A&F University, 2012, 29(5): 703-709. doi: 10.11833/j.issn.2095-0756.2012.05.011

Citation:

HE Pei-yun, DING Gui-jie, CHEN Hong-hui. Comparison of soil microorganisms and biochemical roles for first and second generation Pinus massoniana plantations[J]. Journal of Zhejiang A&F University, 2012, 29(5): 703-709. doi: 10.11833/j.issn.2095-0756.2012.05.011

Comparison of soil microorganisms and biochemical roles for first and second generation Pinus massoniana plantations

doi: 10.11833/j.issn.2095-0756.2012.05.011

1.
Institute of Silviculture and Ecology，Guizhou University，Guiyang 550025，Guizhou，China;
2.
College of Life Sciences，Guizhou Normal University，Guiyang 550001，Guizhou，China;
3.
Experimental Centre of Tropical Forestry，Chinese Academy of Forestry，Pingxiang 532600，Guangxi，China

More Information

Corresponding author: DING Gui-jie
Received Date: 2011-10-25
Rev Recd Date: 2012-04-05
Publish Date: 2012-10-20

Abstract

Through the pairing method of different generations （1st and 2nd） and ages （8，9，15，18，and 20 years），a comparison of soil microorganisms and the biochemical role for the first and second state of Pinus massoniana plantations was made. Results showed that after successive rotations in young and middle-aged forests，bacteria，actinomycetes，fungi，and total microorganisms for corresponding soil layers were higher in the second generation than the first. Significant （P ＜ 0.05） and highly significant （P ＜0.01） differences were found in the young forest for bacteria and fungi in the 0－20 cm layer，and total microorganisms in the 0－20 cm and 20－40 cm layers； and in the middle-aged forest，fungi in the 0－20 cm layer and bacteria，fungi，and total microorganisms in the 20－40 cm. Soil microbes in the young and middle aged first and second generation forests were in the order: bacteria ＞ actinomycetes ＞ fungi. The biochemical role for different soil layers，after successive rotations，for the second generation compared to the first，showed higher soil nitrification and lower ammonification in the young and middle-aged forests；also，differences in soil nitrification in the middle-aged forest at the 0－20 cm and 20－40 cm depths was significant （P ＜0.05） or highly significant （P ＜0.01）. Thus，successive rotations had an effect on soil microorganisms and biochemical roles in the young and middle-aged Pinus massoniana forest.［Ch，4 fig. 2 tab. 18 ref.］
- silviculture,
- Pinus massoniana,
- plantation,
- successive rotation,
- microorganism,
- biochemical role

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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Comparison of soil microorganisms and biochemical roles for first and second generation Pinus massoniana plantations

1. Institute of Silviculture and Ecology，Guizhou University，Guiyang 550025，Guizhou，China;

2. College of Life Sciences，Guizhou Normal University，Guiyang 550001，Guizhou，China;

3. Experimental Centre of Tropical Forestry，Chinese Academy of Forestry，Pingxiang 532600，Guangxi，China

Corresponding author: DING Gui-jie

Received Date: 2011-10-25

Rev Recd Date: 2012-04-05

Publish Date: 2012-10-20

Key words:

Abstract: Through the pairing method of different generations （1st and 2nd） and ages （8，9，15，18，and 20 years），a comparison of soil microorganisms and the biochemical role for the first and second state of Pinus massoniana plantations was made. Results showed that after successive rotations in young and middle-aged forests，bacteria，actinomycetes，fungi，and total microorganisms for corresponding soil layers were higher in the second generation than the first. Significant （P ＜ 0.05） and highly significant （P ＜0.01） differences were found in the young forest for bacteria and fungi in the 0－20 cm layer，and total microorganisms in the 0－20 cm and 20－40 cm layers； and in the middle-aged forest，fungi in the 0－20 cm layer and bacteria，fungi，and total microorganisms in the 20－40 cm. Soil microbes in the young and middle aged first and second generation forests were in the order: bacteria ＞ actinomycetes ＞ fungi. The biochemical role for different soil layers，after successive rotations，for the second generation compared to the first，showed higher soil nitrification and lower ammonification in the young and middle-aged forests；also，differences in soil nitrification in the middle-aged forest at the 0－20 cm and 20－40 cm depths was significant （P ＜0.05） or highly significant （P ＜0.01）. Thus，successive rotations had an effect on soil microorganisms and biochemical roles in the young and middle-aged Pinus massoniana forest.［Ch，4 fig. 2 tab. 18 ref.］

Comparison of soil microorganisms and biochemical roles for first and second generation Pinus massoniana plantations

doi: 10.11833/j.issn.2095-0756.2012.05.011

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通讯作者: 陈斌, bchen63@163.com

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Comparison of soil microorganisms and biochemical roles for first and second generation Pinus massoniana plantations

doi: 10.11833/j.issn.2095-0756.2012.05.011

Corresponding author: DING Gui-jie

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Comparison of soil microorganisms and biochemical roles for first and second generation Pinus massoniana plantations

doi: 10.11833/j.issn.2095-0756.2012.05.011

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通讯作者: 陈斌, bchen63@163.com

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Comparison of soil microorganisms and biochemical roles for first and second generation Pinus massoniana plantations

doi: 10.11833/j.issn.2095-0756.2012.05.011

Corresponding author: DING Gui-jie

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