N, P, K formulas for fertilization with young <em>Phoebe bournei</em> plantations in Fujian Province

OU Jiande

doi:10.11833/j.issn.2095-0756.2015.01.013

Volume 32 Issue 1

Jan. 2015

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OU Jiande. N, P, K formulas for fertilization with young Phoebe bournei plantations in Fujian Province[J]. Journal of Zhejiang A&F University, 2015, 32(1): 92-97. doi: 10.11833/j.issn.2095-0756.2015.01.013

Citation:

OU Jiande. N, P, K formulas for fertilization with young Phoebe bournei plantations in Fujian Province[J]. Journal of Zhejiang A&F University, 2015, 32(1): 92-97. doi: 10.11833/j.issn.2095-0756.2015.01.013

N, P, K formulas for fertilization with young Phoebe bournei plantations in Fujian Province

doi: 10.11833/j.issn.2095-0756.2015.01.013

OU Jiande^,

1.
Forest Enterprise of Mingxi County, Mingxi 365200, Fujian, China

Received Date: 2014-05-24
Rev Recd Date: 2014-08-31
Publish Date: 2015-02-20

Abstract

In order to improve the fertilization effectiveness of young Phoebe bournei plantations. A field experiment was conducted in Mingxi County of Fujian Province based on a D-saturated optimal design with three factors: N, P, and K. The growth effects for young P. bournei plantations were then examined with a frequency analysis and RCB. Results showed that N, P, and K fertilizer efficiency was positive for growth of tree height and crown width （with N＞P＞K） and for increasing diameter at ground-level （with P＞N＞K）. The frequency analysis showed that compared to ck, the expected tree height was 120%, the expected diameter at ground-level was 120% and the expected crown width was 110%. In these experimental plots, optimum fertilization rates （in gtree-1） for young P. bournei plantations were 16.81－21.61 for N, 5.76－9.64 for P2O5, and 3.31－6.44 for K2O with a 95% confidence interval with a frequency analysis method; the best ratio of m（N）:m（P2O5）:m（K2O） was 3.94:1.57:1.00. Then providing the basis for scientific fertilization of P. bournei plantations.［Ch, 3 tab. 15 ref.］
- silviculture,
- Phoebe bournei,
- growth,
- optimal fertilization model,
- N, P, and K application

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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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N, P, K formulas for fertilization with young Phoebe bournei plantations in Fujian Province

1. Forest Enterprise of Mingxi County, Mingxi 365200, Fujian, China

Received Date: 2014-05-24

Rev Recd Date: 2014-08-31

Publish Date: 2015-02-20

Key words:

Abstract: In order to improve the fertilization effectiveness of young Phoebe bournei plantations. A field experiment was conducted in Mingxi County of Fujian Province based on a D-saturated optimal design with three factors: N, P, and K. The growth effects for young P. bournei plantations were then examined with a frequency analysis and RCB. Results showed that N, P, and K fertilizer efficiency was positive for growth of tree height and crown width （with N＞P＞K） and for increasing diameter at ground-level （with P＞N＞K）. The frequency analysis showed that compared to ck, the expected tree height was 120%, the expected diameter at ground-level was 120% and the expected crown width was 110%. In these experimental plots, optimum fertilization rates （in gtree-1） for young P. bournei plantations were 16.81－21.61 for N, 5.76－9.64 for P2O5, and 3.31－6.44 for K2O with a 95% confidence interval with a frequency analysis method; the best ratio of m（N）:m（P2O5）:m（K2O） was 3.94:1.57:1.00. Then providing the basis for scientific fertilization of P. bournei plantations.［Ch, 3 tab. 15 ref.］

N, P, K formulas for fertilization with young Phoebe bournei plantations in Fujian Province

doi: 10.11833/j.issn.2095-0756.2015.01.013

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N, P, K formulas for fertilization with young Phoebe bournei plantations in Fujian Province

doi: 10.11833/j.issn.2095-0756.2015.01.013

1. Forest Enterprise of Mingxi County, Mingxi 365200, Fujian, China

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N, P, K formulas for fertilization with young Phoebe bournei plantations in Fujian Province

doi: 10.11833/j.issn.2095-0756.2015.01.013

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N, P, K formulas for fertilization with young Phoebe bournei plantations in Fujian Province

doi: 10.11833/j.issn.2095-0756.2015.01.013

1. Forest Enterprise of Mingxi County, Mingxi 365200, Fujian, China

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