Corn Yield Increase Under Constant Fertilizer Did Not Reduce Nitrate Export
Chelsea Connair Clifford; Emily R. Waring; Carl H. Pederson; Matthew J. Helmers · 2023 · Journal of the ASABE
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
Highlights Corn yields increased from 1989 to 2021 in Iowa experimental plots at nitrogen fertilizer rates consistently just above current recommendations. Increased corn yields did not result in a decrease in drainage nitrate exports.…
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Metadata source: Crossref · DOI 10.13031/ja.15538