中国畜禽粪便养分资源总量及替代化肥潜力
石晓晓, 郑国砥, 高定, 陈同斌

Quantity of available nutrient in livestock manure and its potential of replacing chemical fertilizers in China
SHI Xiaoxiao, ZHENG Guodi, GAO Ding, CHEN Tongbin
图5 1980—2017年中国农用化肥施用量
Figure 5 Amount of application of fertilizers in China, 1980-2017