Evaluating different methods of using chlorophyll meter for diagnosing nitrogen status of summer maize

Abstract

Precision nitrogen (N) management has a great potential to improve N use efficiency. It will require timely and efficient diagnosis of crop N status. Chlorophyll meter sensor is one of the commonly used diagnostic tools for crop nitrogen status, and different methods have been developed, including nitrogen sufficiency index, and ratio of chlorophyll meter… (More)

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