Surveys show that over forty percent of cultivated land has been degraded, mainly via the overuse of chemical fertilizers, Guangming Daily reported. Cultivated land in China is classified into three grades – high, medium and low yield croplands, at 498 million mu (33.2 million hectares), 818 million mu [~54 million ha] and 510 million mu [~34 million ha] respectively, according to the Ministry of Agriculture. Medium and low yield croplands account for over 70 percent of the total area…Full Article: Chinanews.com Dec 2014
- According to the Chief Researcher at the Botany Institute of the Chinese Academy of Sciences, China utilizes 400 kg of chemical fertilizers per hectare, well above the internationally recognized safe average of 225 kg per ha.
- In 2012, China consumed 58.3 million metric tons of chemical fertilizers, of which 48% (~23.9 million MTs) was nitrogenous fertilizer, 34% (~19.8 million MTs) was compound fertilizer (e.g. NPK, etc.), 14% (~8.2 million MTs) was potash, and 11% (~6.1 million MTs) was phosphate. Henan, Hubei, and Sichuan were the largest consumers.