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岷江上游干旱河谷辐射松人工幼林营养元素的研究(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2007年01期
Page:
31-36
Column:
研究论文
publishdate:
2007-01-20

Article Info:/Info

Title:
Research on Nutrition Dynamics of Pinus radiata Young Plantation in Arid Valley in the Upper Reaches of Minjiang River
Article ID:
1000-2006(2007)01-0031-06
Author(s):
YAN Dai-bi12 YUE Yong-jie3 SU Yi-ming4 ZHENG Shao-wei4 PAN Pan4 HE Fei4 MU Chang-long4* WU Yong-bo5 WANG Ming6
1. College of Environment and Resources Beijing Forestry University, Beijing 100083, China; 2. Chengdu Forestry Bureau, Chengdu 610000, China; 3. College of Soil and Water Conservation Beijing Forestry University, Beijing 100083, China; 4. Sichuan Academy of Forestry, Chengdu, 610081, China; 5. Key Laboratory for Forestry Ecological Engineering Jiangsu Province Nanjing Forestry University, Nanjing 210037, China; 6. Lixian Forestry Bureau, Lixian 623100, China
Keywords:
Arid valley P. radiata Young plantation Content of nutrition Nutrition store Reaches of Minjiang River
Classification number :
S718
DOI:
10.3969/j.jssn.1000-2006.2007.01.008
Document Code:
A
Abstract:
The content of nutrition, storage and distribution of 5-year-old Pinus radiata young forest plantation were studied in arid valley region in the upper reaches of Minjiang River. The results showed that the P. radiata’s growth and content of nutrition and storages varied greath under different site conditions and climates. The contents of nutritions were different in P. radiata with various height of trunk. The element with the highest content in each apparatus was N. The element Fe were rich in the root system of shrub and herb. The contents of nutrition of P. radiata young forest plantation were 310.47kg/hm2, the contents of nutrition in tree layer, shrub layer、 herb layer and litter layer were 52.25%, 15.25%, 30.84% and 1.66% respectively. There was great diversity of nutrient storages in tree layer under different habitats.

References

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Last Update: 2013-05-20