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Farm Progress Reports

Number

RFR-A1670

Farm

Northern Research and Demonstration Farm

Department

Agronomy

Abstract

This project was designed to study the 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-180814-1666

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