Change in soil N2O emissions from irrigation — Resource Gradient Experiment
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Soil greenhouse gases were measured using automated chambers at the RGE in rainfed and irrigated plots simultaneously in 2013, a wheat year. We use only N2O here as CO2 is better measured using eddy flux towers and the CH4 data did not show a significant irrigation effect. N2O concentration was measured four times a day per chamber. These data give a mean concentration per day per chamber. They span May – Sep 2013. Also includes daily precipitation, mean air temperature, lime treatment, and daily irrigation amount.
This datatable is part of the Data for McGill et.al. 2018. The greenhouse gas cost of agricultural intensification with groundwater irrigation in a Midwest US row cropping system. dataset.
Data for Data for McGill et.al. 2018. The greenhouse gas cost of agricultural intensification with groundwater irrigation in a Midwest US row cropping system. https://doi.org/10.1111/gcb.14472
Note
Experiment: | Resource Gradient Experiment |
Data available from: | May 2013 to September 2013 |
Dataset: | KBS125 |
Datatable ID: | KBS127-005.181 |
Repository link: | http://doi.org/10.6073/pasta/6ab26c6ead42552a1d4f0261e8dac9bc |
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Last Updated | 2023-10-24 |
Variate | Description | Units |
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sample date | sample date | |
precipitation mm | daily precip in mm | mm |
irrigation treatment | irrigation treatment | |
was limed in 2012 | true if the plot was limed in 2012 | |
month number | numerical month | |
n level | N fertilizer level, see experimental design: https://lter.kbs.msu.edu/research/long-term-experiments/resource-gradient/ | |
n fertilizer | N fertilizer in kg/ha in wheat, ***note there is no plot column here because only 1 rep of each N x irr treatment | kg/ha |
compound | compound measured | |
doy | day of the year | |
flux | N2O-N flux g /ha / day | g/ha/day |
day of month | day of the month | |
air temp mean | daily mean air temp | C |
notes | irrigation notes | |
irrigation in | note transformed into data, empty cells where no irrigation |
Protocols |
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Data Excerpt
sample_date | precipitation_mm | irrigation_treatment | was_limed_in_2012 | month_number | n_level | n_fertilizer | compound | doy | flux | day_of_month | air_temp_mean | notes | irrigation_in |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2013-05-08 | 0.0 | Rainfed | false | 5 | 1 | 0.0 | n2o | 127 | 0.01811837 | 8 | 18.13 | ||
2013-05-08 | 0.0 | Irrigated | false | 5 | 1 | 0.0 | n2o | 127 | 0.04035299 | 8 | 18.13 | ||
2013-05-08 | 0.0 | Irrigated | false | 5 | 3 | 45.0 | n2o | 127 | 0.030306958 | 8 | 18.13 | ||
2013-05-08 | 0.0 | Rainfed | true | 5 | 3 | 45.0 | n2o | 127 | 0.028784655 | 8 | 18.13 | ||
2013-05-08 | 0.0 | Irrigated | false | 5 | 4 | 67.0 | n2o | 127 | 0.005892579 | 8 | 18.13 |