From 1978 to 2019, China's food output increased steadily. The per capita output of plant food increased, whereas animal food such as pork, beef, and mutton followed a downward trend. This is mainly because the population of China grew rapidly in the past 40 years. Food loss and waste can happen during agricultural production, postharvest circulation and treatment, and consumption. In the harvesting process, the timing, weather conditions, machinery...
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