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Farm Progress Reports

Number

RFR-A1667

Farm

Armstrong Research and Demonstration Farm

Department

Agronomy

Abstract

This project was designed to study the nitrogen (N) fertilization needs in continuous corn (CC) and corn rotated with soybean (CS) as influenced by location and climate. Multiple rates of fertilizer N were spring applied, with the intent to measure yield response to N within each rotation on a yearly basis for multiple years at multiple sites across Iowa. This will allow determination of N requirements for each rotation, differences that exist between the two rotations, responses to applied N across different soils and climatic conditions, and evaluation of tools used to adjust N application.

DOI

https://doi.org/10.31274/farmprogressreports-180814-1589

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