Notes

Noted that the data collected only from Bambara groundnut with nitrate-fed tretment (without inoculation). The value converted from 249.5 mcg/g to 24.95 mg/100g. The study was conducted in a naturally-lit glasshouse located at the Tshwane University of Technology, Pretoria, South Africa during the summer months of October to December 2015. Day and night temperatures were not controlled but average maximum and minimum temperatures were 15 and 28 °C respectively. Highlighted treatment in the experiment - Application of nitrate (without inoculation) - 5 mM KNO3-feeding.