Take Yanhe county of Guizhou province as an example, Combined with the conversed factor and static structure factor analytical method, cultivated land production potential in Yanhe was 5688.

以贵州省典型山区农业县—沿河县作为研究对象，运用逆向因子修正法和静态因子分析法相结合的方法，计算出沿河县目前耕地的生产潜力为5688。

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Biofuels -- Rising demand for food, which competes with biofuels for arable and pasture land, and a popular backlash against the subsidies they attract, will constrain the long-term potential for biofuels production using current technology.

FORBES: Paul Maidment On Energy