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What is Evaluation of SPAD and Dualex For In-Season Corn about?

This study evaluates the effectiveness of SPAD and Dualex readings for estimating nitrogen (N) status in corn during the growing season. Field experiments conducted in Quebec, Canada, revealed that optimal N topdressing rates of 101 or 135 kg ha−1, in addition to a basal application of 45 kg ha−1, resulted in maximum corn grain yield without significant increases from higher N applications. The findings suggest that integrating SPAD and Dualex measurements can effectively assess in-season N requirements for

Author

alinepolitano

Language

EN