Growth and P-uptake for<em> Larix olgensis</em> seedlings with phosphorus top-dressed using fertigation

SUN Yu; LI Guo-lei; LIU Yong; MA Lü-yi; ZHU Yan; JIANG Chang-ji; LIU Fu-sen; LI Xue-lian

doi:10.11833/j.issn.2095-0756.2011.02.008

Volume 28 Issue 2

Apr. 2011

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Article Navigation > Journal of Zhejiang A&F University > 2011 > 28(2): 219-226

SUN Yu, LI Guo-lei, LIU Yong, MA Lü-yi, ZHU Yan, JIANG Chang-ji, LIU Fu-sen, LI Xue-lian. Growth and P-uptake for Larix olgensis seedlings with phosphorus top-dressed using fertigation[J]. Journal of Zhejiang A&F University, 2011, 28(2): 219-226. doi: 10.11833/j.issn.2095-0756.2011.02.008

Citation:

SUN Yu, LI Guo-lei, LIU Yong, MA Lü-yi, ZHU Yan, JIANG Chang-ji, LIU Fu-sen, LI Xue-lian. Growth and P-uptake for Larix olgensis seedlings with phosphorus top-dressed using fertigation[J]. Journal of Zhejiang A&F University, 2011, 28(2): 219-226. doi: 10.11833/j.issn.2095-0756.2011.02.008

Growth and P-uptake for Larix olgensis seedlings with phosphorus top-dressed using fertigation

doi: 10.11833/j.issn.2095-0756.2011.02.008

1.
Key Laboratory for Silviculture and Conservation of the Ministry of Education，Beijing Forestry University， Beijing 100083;
2.
Jiangmifeng Nursery in Longtan District，Jilin 132206，Jilin，China

More Information

Corresponding author: LIU Yong
Publish Date: 2011-04-20

Abstract

With the aim to improving the phosphorus efficiency and finding the best phosphorus applying method，two types of phosphorus （P） fertilizer application to Larix olgensis transplanted seedlings were undertaken：1） into the soil as a basal fertilizer before transplanting and 2） by fertigation as a topdressing three times during the growing season. A split-plot experimental design with P （163，326，and 489 kghm－2） as main treatments and fertigation ratios （0，25.0%，33.3%，50.0%，and 100%） as sub treatments was established.There were three replications，and the rapidly-available phosphorus content in the soil is 37.11 mgkg－1. Results showed that P application did not significantly affect seedling growth or P content，however，seedling height，diameter，first-order lateral root in diameter at a junction 1 mm，and biomass increased with increasing P. With a top-dressing of 163 kghm－2 P，seedling height and diameter reached the national seedling standard（the seedling height＞35 cm，the seedling dimater＞5 mm）. Also，with the 33.3% fertigation ratio，P concentration in the stem；P content in the root，stem，as well as the entire seedling；and P use efficiency were maximum with the total P content of 0.405 g and P use efficiency of 11.4%. Therefore，163 kghm－2 P with 33.3% of it to be applied as a top-dressed fertigation during the growing season was the best P application for L. olgensis transplanted seedlings.［Ch，1 fig. 9 tab. 18 ref.］
- silviculture,
- Larix olgensis,
- seedlings,
- band-placed,
- fertigation,
- opdressing,
- phosphorus

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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 P-uptake for Larix olgensis seedlings with phosphorus top-dressed using fertigation

1. Key Laboratory for Silviculture and Conservation of the Ministry of Education，Beijing Forestry University， Beijing 100083;

2. Jiangmifeng Nursery in Longtan District，Jilin 132206，Jilin，China

Corresponding author: LIU Yong

Publish Date: 2011-04-20

Key words:

Abstract: With the aim to improving the phosphorus efficiency and finding the best phosphorus applying method，two types of phosphorus （P） fertilizer application to Larix olgensis transplanted seedlings were undertaken：1） into the soil as a basal fertilizer before transplanting and 2） by fertigation as a topdressing three times during the growing season. A split-plot experimental design with P （163，326，and 489 kghm－2） as main treatments and fertigation ratios （0，25.0%，33.3%，50.0%，and 100%） as sub treatments was established.There were three replications，and the rapidly-available phosphorus content in the soil is 37.11 mgkg－1. Results showed that P application did not significantly affect seedling growth or P content，however，seedling height，diameter，first-order lateral root in diameter at a junction 1 mm，and biomass increased with increasing P. With a top-dressing of 163 kghm－2 P，seedling height and diameter reached the national seedling standard（the seedling height＞35 cm，the seedling dimater＞5 mm）. Also，with the 33.3% fertigation ratio，P concentration in the stem；P content in the root，stem，as well as the entire seedling；and P use efficiency were maximum with the total P content of 0.405 g and P use efficiency of 11.4%. Therefore，163 kghm－2 P with 33.3% of it to be applied as a top-dressed fertigation during the growing season was the best P application for L. olgensis transplanted seedlings.［Ch，1 fig. 9 tab. 18 ref.］

Growth and P-uptake for Larix olgensis seedlings with phosphorus top-dressed using fertigation

doi: 10.11833/j.issn.2095-0756.2011.02.008

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

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Proportional views

Growth and P-uptake for Larix olgensis seedlings with phosphorus top-dressed using fertigation

doi: 10.11833/j.issn.2095-0756.2011.02.008

1. Key Laboratory for Silviculture and Conservation of the Ministry of Education，Beijing Forestry University， Beijing 100083;

2. Jiangmifeng Nursery in Longtan District，Jilin 132206，Jilin，China

Corresponding author: LIU Yong

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Growth and P-uptake for Larix olgensis seedlings with phosphorus top-dressed using fertigation

doi: 10.11833/j.issn.2095-0756.2011.02.008

Abstract

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References

Proportional views

通讯作者: 陈斌, bchen63@163.com

Related

Proportional views

Growth and P-uptake for Larix olgensis seedlings with phosphorus top-dressed using fertigation

doi: 10.11833/j.issn.2095-0756.2011.02.008

1. Key Laboratory for Silviculture and Conservation of the Ministry of Education，Beijing Forestry University， Beijing 100083; 2. Jiangmifeng Nursery in Longtan District，Jilin 132206，Jilin，China

Corresponding author: LIU Yong

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1. Key Laboratory for Silviculture and Conservation of the Ministry of Education，Beijing Forestry University， Beijing 100083;

2. Jiangmifeng Nursery in Longtan District，Jilin 132206，Jilin，China