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Data Extent

Data from: Late-season corn stalk nitrate measurements across the US Midwest from 2006 to 2018

[ NOTE - Data files added 2023-03-07:
- Weather dataset - weather_onfant.csv
- Weather data dictionary - weather_data_dictionary.csv]

This dataset is based on field-guided corn stalk nitrate test surveys across the US Midwest from 2006 to 2018. In total, measurements from 10,675 corn fields were collected which represents 32,025 corn stalk nitrate measurements. Nitrogen form (commonly referred to as N source10) and the total N rate applied, US state, year of harvest, and climatic conditions are included for each site-year (trial location by growing season combination). When available, previous crop, manure source, tillage, and timing of N application are also included.

FieldValue
Tags
Modified
2023-04-11
Release Date
2022-09-30
Identifier
39bdadf9-d847-493d-8e9f-d50140971a81
Spatial / Geographical Coverage Area
POLYGON ((-96.597290039062 43.511775336844, -91.235961914063 43.511775336844, -91.192016601563 43.3442228459, -91.049194335938 43.280271338388, -91.235961914063 43.088013114152, -91.049194335938 42.637056957277, -90.697631835938 42.645138625254, -90.390014648438 42.312929737972, -90.076904296875 41.810356437398, -90.357055664063 41.561072833015, -90.631713867188 41.487045905011, -91.016235351562 41.421173103791, -91.104125976562 41.264457170643, -91.005249023438 41.173554557275, -90.983276367188 40.908392573836, -91.115112304688 40.675500031522, -91.411743164063 40.575438966575, -91.356811523438 40.391604495228, -91.730346679688 40.625488237852, -95.784301757813 40.608809311107, -95.855712890625 41.102259263656, -96.009521484375 41.613525758688, -96.141357421875 42.088167671479, -96.361083984375 42.41345350278, -96.690673828125 42.785457186164, -96.470947265625 43.171265793274))
POLYGON ((-90.142822265625 40.386444289505, -90.142822265625 41.118814396275, -88.670654296875 41.118814396275, -88.670654296875 40.386444289505))
POLYGON ((-95.064697265625 44.799507842533, -95.064697265625 46.519311707738, -93.438720703125 46.519311707738, -93.438720703125 44.799507842533))
POLYGON ((-88.13232421875 37.83610776996, -88.00048828125 38.251410212729, -87.42919921875 38.869936876823, -87.51708984375 39.381301023744, -87.56103515625 41.816634115257, -85.93505859375 41.783874070548, -86.06689453125 42.273515173724, -85.10009765625 42.370990633475, -85.05615234375 41.783874070548, -84.70458984375 41.751097279113, -83.82568359375 41.619822689879, -83.16650390625 41.389447926843, -82.85888671875 40.926241564503, -83.34228515625 40.626738938602, -84.79248046875 40.660083674521, -84.88037109375 39.006663537017, -85.40771484375 38.698658044201, -85.67138671875 38.251410212729, -85.93505859375 38.044053442315, -86.33056640625 38.182356787725, -86.50634765625 37.83610776996, -86.72607421875 38.009436697631, -86.98974609375 37.76666186345))
Publisher
Ag Data Commons
Spatial / Geographical Coverage Location
Our dataset include field survey data collected in Iowa, Illinois, Indiana, Michigan, Ohio and Minnesota.
Temporal Coverage
January 1, 2006 to December 31, 2018
License
Data Dictionary
Contact Name
Miguez, Fernando E.
Contact Email
Public Access Level
Public