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RESEARCH QUESTION

Which is the best manganese source, a sulfate, an oxysulfate? Does the quality and placement of Manganese materials make a difference?

RESEARCH OBJECTIVES

Does the source of Manganese affect the yield? Does the application of manganese on crops with adequate manganese levels produce yield responses?

STUDY RESULTS

Data collected to date indicates that the application of manganese has produced significant yield increases over untreated plots. The untreated plots averaged 37.77 bushel per acre, the manganese sulfate plots averaged 40.76 bushel per acre and the manganese oxysulfate plots averaged 43.58 bushel per acre.