This datatable was deprecated in favor of https://lter.kbs.msu.edu/datatables/77

combined with the rainfed yield dataset

Agronomic Yields - Irrigated — Resource Gradient Experiment

Data in the KBS LTER core database may not be published without written permission of the lead investigator or project director Full terms of use

Agronomic grain yields (at standard moisture, in kg/ha) for corn, soy and wheat from irrigated plots of the Resource Gradient Experiment.

This datatable is part of the Resource Gradient Experiment dataset. This dataset contains the agronomic yields and soil properties of the LTER Resource Gradient Experiment, which applies nine different rates of nitrogen fertilization (F1-F9) to annual row crops under rainfed (since 1999) and irrigated (since 2003) conditions. Since 2006, row crops have followed the same rotation as the LTER Main Cropping System Experiment (MCSE; corn-soybean-wheat); continuous corn was grown from 1999-2005. Nitrogen fertilization rates differ by crop (since 2008) and are given on the plot map.

The experiment moved to its current location in the LTER Main Site in 2005; previous experimental designs and locations are given here

Note

Experiment:	Resource Gradient Experiment
Data available from:	October 2003 to July 2013
Dataset:	KBS033
Datatable ID:	KBS033-002.109
Core Areas	Primary Production,Disturbance
Repository link:	http://doi.org/10.6073/pasta/b87efd66b937c806061635e752862d8a
Related Tables:	Agronomic Yields Soil Inorganic Nitrogen, Moisture and Temperature Agronomic Soil Chemistry Soil pH Soil Inorganic N and Moisture Soil Bulk Density
Personnel:	Phil Robertson, lead investigator Joe Simmons, principal contact
Last Updated	2023-10-24

Variate	Description	Units
date	harvest date
plot	plot
treatment	treatment number
replicate	replicate
yield	grain yield at standard moistures (15.5% for corn, 13% for soybean and wheat)	kg/ha
crop	crop grown
year	agronomic year

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