Fig. 3
From: Late-season corn stalk nitrate measurements across the US Midwest from 2006 to 2018
Percentage of CSNT categories per N management (a combination of application timing and N form) for corn following corn (a) and corn following soybean (b) rotations. N management with missing information about the application timing or N form are not represented. Number of corn fields per N management is displayed at the top of the corresponding bar. Only data for fields having a total N rate <450 kg/ ha are displayed (see Technical Validation).
