Fertilizer Applications by Year and Treatment

Data in the KBS LTER core database may not be published without written permission of the lead investigator or project director Full terms of use

This is a description of the fertilizer applied to all replicates at the GLBRC Intensive Site.

This datatable is part of the Agronomic Log Queries – GLBRC Biofuel Cropping System Experiment dataset. It dataset contains specific queries of agronomic activities carried out on the GLBRC Switchgrass Nitrogen-rate/Harvest Experiment, prepared from the Agronomic Log. The Agronomic Log contains all agromonic activities for multiple experiments. Contact the GLBRC Sustainability Information Manager if you need additional information from the aglog.

Note

Experiment: GLBRC Biofuel Cropping System Experiment
Data available from: April 2008 to August 2019
Dataset: KBS113
Datatable ID: GLBRC083-002.19
Repository link:
Related Tables:
Personnel:
Last Updated 2020-07-10
Variate Description Units
obs date observation date
site site location
treatment experimental treatment
plot experimental plot
material material applied
rate kg ha rate at which the material was applied kg/ha
n rate kg ha rate of nitrogen application kg/ha
p rate kg ha rate of phosphorus application kg/ha
k rate kg ha rate of potassium application kg/ha
comment aglog observation comment

Data Excerpt

obs_date site treatment plot material rate_kg_ha n_rate_kg_ha p_rate_kg_ha k_rate_kg_ha comment
2021-06-24 KBS G1 G1R3 Ammonium sulfate (AMS) 4.0 1.0 Sprayed GLBRC main site G1 all reps (5,1,2,3,4). Sprayed LTER main site T3 all reps (4,5,2,1,3,6). Sprayed LTER main site CE1 and CE3. Sprayed Roundup Powermax at 32 ounces/acre, Ammonium Sulfate at 3.4lbs/acre, and a small amount of de-foaming agent. Rate of spray was 20gal/acre on JD rate controller. Weather conditions at the beginning 8:00am: 64 degrees F, 10mph south wind, 63% Relative Humidity, Sunny. Weather conditions at the end 12:30pm: 75 degrees F, 11mph south wind, 57% Relative Humidity, Cloudy REI: 24 hours.
2021-06-24 KBS G1 G1R4 Ammonium sulfate (AMS) 4.0 1.0 Sprayed GLBRC main site G1 all reps (5,1,2,3,4). Sprayed LTER main site T3 all reps (4,5,2,1,3,6). Sprayed LTER main site CE1 and CE3. Sprayed Roundup Powermax at 32 ounces/acre, Ammonium Sulfate at 3.4lbs/acre, and a small amount of de-foaming agent. Rate of spray was 20gal/acre on JD rate controller. Weather conditions at the beginning 8:00am: 64 degrees F, 10mph south wind, 63% Relative Humidity, Sunny. Weather conditions at the end 12:30pm: 75 degrees F, 11mph south wind, 57% Relative Humidity, Cloudy REI: 24 hours.
2021-06-24 KBS G1 G1R1 Ammonium sulfate (AMS) 4.0 1.0 Sprayed GLBRC main site G1 all reps (5,1,2,3,4). Sprayed LTER main site T3 all reps (4,5,2,1,3,6). Sprayed LTER main site CE1 and CE3. Sprayed Roundup Powermax at 32 ounces/acre, Ammonium Sulfate at 3.4lbs/acre, and a small amount of de-foaming agent. Rate of spray was 20gal/acre on JD rate controller. Weather conditions at the beginning 8:00am: 64 degrees F, 10mph south wind, 63% Relative Humidity, Sunny. Weather conditions at the end 12:30pm: 75 degrees F, 11mph south wind, 57% Relative Humidity, Cloudy REI: 24 hours.
2021-06-24 KBS G1 G1R2 Ammonium sulfate (AMS) 4.0 1.0 Sprayed GLBRC main site G1 all reps (5,1,2,3,4). Sprayed LTER main site T3 all reps (4,5,2,1,3,6). Sprayed LTER main site CE1 and CE3. Sprayed Roundup Powermax at 32 ounces/acre, Ammonium Sulfate at 3.4lbs/acre, and a small amount of de-foaming agent. Rate of spray was 20gal/acre on JD rate controller. Weather conditions at the beginning 8:00am: 64 degrees F, 10mph south wind, 63% Relative Humidity, Sunny. Weather conditions at the end 12:30pm: 75 degrees F, 11mph south wind, 57% Relative Humidity, Cloudy REI: 24 hours.
2021-06-24 KBS G1 G1R5 Ammonium sulfate (AMS) 4.0 1.0 Sprayed GLBRC main site G1 all reps (5,1,2,3,4). Sprayed LTER main site T3 all reps (4,5,2,1,3,6). Sprayed LTER main site CE1 and CE3. Sprayed Roundup Powermax at 32 ounces/acre, Ammonium Sulfate at 3.4lbs/acre, and a small amount of de-foaming agent. Rate of spray was 20gal/acre on JD rate controller. Weather conditions at the beginning 8:00am: 64 degrees F, 10mph south wind, 63% Relative Humidity, Sunny. Weather conditions at the end 12:30pm: 75 degrees F, 11mph south wind, 57% Relative Humidity, Cloudy REI: 24 hours.
Sign In