Tissue Carbon and Nitrogen

Data in the KBS LTER core database may not be published without written permission of the lead investigator or project director Full terms of use

Percent C, N for crop and non-crop plants in the LTER Main Site treatments.

This datatable is part of the Plant Carbon and Nitrogen Content dataset. This dataset includes total carbon and total nitrogen measured for plants from the LTER Main Site and the Successional and Forested sites. Total C and N are analyzed at peak biomass for a given treatment. In some systems with multiple harvests or complex communities that have peaks occurring at different times of the year, measurements are taken at multiple times per year. Samples are combusted and measured on a CHN analyzer.

Note

Experiment: Main Cropping System Experiment (MCSE)
Data available from: July 1989 to November 2018
Dataset: KBS029
Datatable ID: KBS029-001.33
Core Areas Organic Matter,Disturbance
Repository link: http://doi.org/10.6073/pasta/72ef94163fe9e2945756ae3bcd95cf91
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Last Updated 2020-07-01
Variate Description Units
sample date date of sample harvest
Trt treatment
Rep replicate
species species measured
type classification of species or differentiation of crop tissues, etc.
percent C percent carbon %
percent N percent nitrogen %
year sample year

Data Excerpt

sample_date trt rep species type percent_c percent_n year
2009-09-04 T6 R6 Medicago sativa L. 45.14 4.091 2009
1994-07-06 T6 R1 Medicago sativa L. CROP 39.73 3.24 1994
1997-08-27 T4 R5 Aggregate of live biomass except for the top 3 species which are analysed sepearately NDB 44.07 1.77 1997
1995-05-22 T6 R1 Medicago sativa L. NDB 41.66 3.23 1995
2017-05-16 T4 R1 UnSorted 41.984 2.228 2017
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