Fig. 6From: Implication of quantifying nitrate utilization and CO2 assimilation of Brassica napus plantlets in vitro under variable ammonium/nitrate ratiosThe amount of nitrogen in leaves (NAA), the amount of nitrogen in leaves derived from nitrate assimilation (NAAnitrate), and the amount of nitrogen in leaves derived from ammonium assimilation (NAAammonium) in the Brassica napus plantlets cultured under nitrate treatment. Note: Each nitrate treatment contained 20Â mM ammonium. The error bars of NAAnitrate and NAAammonium were calculated by the error propagation formulaBack to article page