Manganese (MN) deficiency is a recurring problem in many crops grown on Atlantic Coastal Plain soils, especially soybean. An experimental site near Adephia, NJ has a long history of crops exhibiting manganese deficiency. This sandy loam soil had an initial soil pH of 7.5, Mehlich-3 extractable MN of 12 mg per kg, and soil organic matter content of 2.3%. A Roundup Ready? Soybean variety was used to study crop response to MN fertilizer treatments as glyphosate has been suspected of increasing the severity of manganese deficiency. The first trial compared manganese sulfate to chelated manganese as foliar fertilizer applications. Crop response showed increased seed yield with application...
Unique Keywords:
#manganese (mn), #soil fertility