Fig. 3: Food output and resource input details. | Humanities and Social Sciences Communications

Fig. 3: Food output and resource input details.

From: On-farm resource-use efficiency in China: overall rebounding trends and region-specific enhancement opportunities

Fig. 3

a Trends of food output and resource inputs for seven regions from 1990 to 2020. (The selected data points: 1990, 1995, 2000, 2005, 2010, 2015, and 2020; data missing for Chongqing before 1997 and Hainan in 1987). b The average proportion of “energy” (including fertilizer [N, P, and K], machinery [Mac], fuel, pesticide [PC], seed, and manpower [MP]) and “water” components of energy consumption from 1987 to 2020. c Average energy consumption of the surface and sprinkler irrigation systems from 1987 to 2020.

Back to article page