Assessing pre‐plant nitrogen sources and waterlogging on corn growth and yield

Flooding and waterlogging from strong storms can negatively affect corn (Zea mays L.) growth and yield. Ensuring adequate nitrogen (N) supply after waterlogging is key to optimizing corn yield, though limited evaluations of enhanced efficiency fertilizers have been conducted in conjunction with waterlogging conditions. The objective was to quantify how different pre‐plant incorporated N sources and post‐emergence waterlogging affect corn N uptake, yield, and efficiency of applied N. A split‐plot randomized complete block design was conducted in two locations from 2021–2023. Waterlogging regimes (0 or 4 days) were implemented by applying water at the V4–V6 growth stage. Pre‐plant incorporated N source was the subplot factor consisting of a non‐fertilized control or 200 lbs N acre−1 applied as urea (U; 46–0–0) or urea‐ammonium nitrate (UAN; 28–0–0) alone or combined with either nitrapyrin or N‐(n‐butyl) thiophosphoric triamide (NBPT), and polymer‐coated urea (PCU, 44–0–0). The optimum ear..., , # Assessing pre‐plant nitrogen sources and waterlogging on corn growth and yield

Dataset DOI: [10.5061/dryad.5x69p8dhw](10.5061/dryad.5x69p8dhw)

## Description of the data and file structure

This dataset contains measured values from a study conducted in Ohio to assess how pre-plant nitrogen sources affected corn growth and yield in the presence or absence of waterlogging. Data includes soil measurements during flooding and corn growth and yield parameters. Blank or empty cells within a column indicate that no data were available or collected for the given experimental unit. Variables and treatment designations as defined for this project are presented below, with the first tab of the data file also containing sheet-specific definitions of each column.

### Files and variables

#### File: Novais_et_al_2025_N_sources_published.xlsx

| **Article DOI** | **[https://doi.org/10.1002/cft2.70071](https://doi.org/10.1002/cft2.70071)** ...,