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下蜀栎林土壤空间变异性及其样本容量的确定(PDF)

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

Issue:
2005年02期
Page:
51-53
Column:
研究论文
publishdate:
2005-02-20

Article Info:/Info

Title:
Research on Spatial Variability of Quercus variabilis Forest Soil on Xiashu Loess and Determining Number of Sample
Article ID:
1000-2006(2005)02-0051-03
Author(s):
ZENG Feng1 ZHANG Jin-chi2* ZHU Li-jun3
1. Forestry Bureau of Guangdong Province, Guangzhou 510173, China; 2. College of Forest Resources and Environment Nanjing Forestry University, Nanjing 210037, China; 3. College of Information Science and Technology Nanjing Forestry University, Nanjing 210037, China
Keywords:
Xiashu loess Quercus variabilis forest soil Soil roomage variability Sampling number
Classification number :
S718
DOI:
10.3969/j.jssn.1000-2006.2005.02.012
Document Code:
A
Abstract:
By means ot" analyzing many soil sample’s physical and chemical characteristic such as soil bulk density, non-capillary porosity,infiltration capability, soil organic matter, soil pH value and so on in different Quercus variabitis forest soil profiles, the results showed that they have obvious roomage variability. And this roomage variability in vertical is more than that in horizontal. Therefore, we must base on the deviation theory to confirm the soil sample in different soil depth. And this is the only way to ensure the results to be correct and comparability. The results also showed it is needed to sampling decades samples even more than 100 when analyzing infiltration capability, but less than 20 samples when analyzing other soil characteristic.

References

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Last Update: 2013-05-20