Fig. 2: Nr inputs and outputs of the food production and consumption system of Inner Mongolia from 2000 to 2020.
From: Nitrogen flow in food production and consumption system of Inner Mongolia from 2000 to 2020

A Agricultural production component Nr input. B Livestock and poultry farming component Nr input. C Food consumption component Nr input. D Agricultural production component Nr output. E Livestock and poultry farming component Nr output. F Food consumption component Nr output. Error bars represent the standard deviation of the mean.