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Comparison of Foliar Nutrient Concentration Results and Protocol between Three Laboratories Item Info

Foliar nutrient analysis results and laboratory analysis protocol were compared for three laboratories used by the IFTNC. Analysis of variance showed significant differences between laboratories for the same sample tissue. In addition, even though all three laboratories use ICP instrumentation, protocol techniques for preparing the foliage samples for analysis differ between laboratories. Various standards and internal checks are used routinely by each laboratory. It appears that the techniques used to digest and prepare the foliage samples are the main sources of variation between laboratories.

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Title:
Comparison of Foliar Nutrient Concentration Results and Protocol between Three Laboratories
Creator:
Shaw, T.M.; Moore, J.A.
Date Created (ISO Standard):
1999-03-01
Approximated Date:
yes
Description:
Foliar nutrient analysis results and laboratory analysis protocol were compared for three laboratories used by the IFTNC. Analysis of variance showed significant differences between laboratories for the same sample tissue. In addition, even though all three laboratories use ICP instrumentation, protocol techniques for preparing the foliage samples for analysis differ between laboratories. Various standards and internal checks are used routinely by each laboratory. It appears that the techniques used to digest and prepare the foliage samples are the main sources of variation between laboratories.
Subjects:
research (document genres) research laboratories methodology
Location:
North and Central Idaho; Eastern Washington; Western Montana; Northeastern Oregon
Publisher:
Intermountain Forest Tree Nutrition Cooperative, University of Idaho, College of Forest, Wildlife and Range Sciences, Moscow
Source:
Shaw, T.M., J.A. Moore, 1999. IFTNC Supplemental Report No. 3, Comparison of Foliar Nutrient Concentration Results and Protocol between Three Laboratories. IFTNC, FWR, Univ. of Idaho, Moscow.
Source Identifier:
Comparison_of_Foliar_Concentration_Results_and_Protocal_Between_Three_Laboratories_IFTNC_1999
Type:
Text
Format:
application/pdf
Language:
eng

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Source
Preferred Citation:
"Comparison of Foliar Nutrient Concentration Results and Protocol between Three Laboratories", Idaho Forestry Research Collection, University of Idaho Library Digital Collections, https://www.lib.uidaho.edu/digital/forestryresearch/items/forestryresearch908.html
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