Remote sensors and regional fertilizer application
Olga Walsh, systems professor of soil nutrient management at Montana State University, says the major challenge to remote sensor systems being used to determine how much in-season fertilizer to apply is a lack of regional formulas based on local growing conditions, crops and soil types. She says it is the responsibility of researchers, such as herself, to help develop formulas for allowing the technology to be used region to region across the U.S.
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