Temporal Harvest — Main Cropping System Experiment (MCSE)

Data in the KBS LTER core database may not be published without written permission of the lead investigator or project director Full terms of use

Multiple harvests where done in 1990, 1992, 1994, 1995 and 1996, to characterize communities with more complex biomass distributions This table contains to biomass measured during these harvests

Year	Number of Harvests	Comment
1990	2
1992	2
1994	4	on T7 only
1995	2
1996	2

This datatable is part of the Annual Net Primary Production on the Main Cropping System Experiment dataset. Aboveground annual net primary production (ANPP) has been measured on the LTER main site since 1990 and on the successional and forested sites since 1993. ANPP is measured 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. Additional ANPP measurements are made where appropriate using leaf litter traps, estimates of diameter from tree basal diameter and for the poplar treatment occasional destructive harvests. See the ANPP protocol for descriptions of the sampling and measurement methods for each of the treatments.

Note

Experiment:	Main Cropping System Experiment (MCSE)
Data available from:	June 1990 to August 1996
Dataset:	KBS019
Datatable ID:	KBS019-018.107
Repository link:	http://doi.org/10.6073/pasta/f9b2a038b8a7ad43a252587a84935f30
Related Tables:	Standardized codes for identifying plant species Annual Crops and Alfalfa Biomass Non-crop (Weed) Biomass Cover Crop Biomass Scope of Non-crop Biomass Non-Crop (Weed) Species Diversity Index Annual Crops Population Estimates Top Non-crop species by Biomass Biomass Compilation for Herbaceous Systems Post Frost Biomass Biomass data from Hess et al. 2020 Biomass and Species composition from the Prairie Strips Switchgrass stand count in T6 T7 plant species composition
Personnel:	Phil Robertson, lead investigator Dick Harwood, original investigator Stacey VanderWulp, principal contact
Last Updated	2017-01-26

Variate	Description	Units
Year	The sample year
campaign	The sample campaign that the sample was collected in
Date	The sample date
Treatment	experimental treatment
Replicate	The replicate of the plot sampled
Station	The sampling station within the plot
Species	The species collected
Biomass	The amount of biomass collected in grams per square meter	g/m²

Protocols
Plant Identification

Download complete data table The standard data use policy applies to the this dataset

Data Excerpt

year	campaign	date	treatment	replicate	station	species	biomass
1996	Harvest	1996-08-06	T4	R6	S5	Trifolium incarnatum L.	0.01
1996	Harvest	1996-08-06	T4	R6	S5	Setaria pumila (Poir.) Roem. & Schult	0.33
1996	Harvest	1996-08-06	T4	R6	S5	Persicaria maculosa Gray	1.05
1996	Harvest	1996-08-06	T4	R6	S5	Digitaria sanguinalis (L.) Scop.	0.11
1996	Harvest	1996-08-06	T4	R6	S5	Chenopodium album L.	49.62

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