企业可以根据其他因素选址，如劳动力的可用性，减少对产出成本的担忧。
Businesses can locate based on other considerations, such as the availability of labour, while worrying less about the cost of delivering their output.
非土地财富也与两种技术的更多采用有关，但是未耕地的可用性降低了采用提高生产率的技术的动力。
Nonland wealth was also associated with more adoption of both technologies, but the availability of uncultivated land reduced the incentive to employ the productivity-enhancing technologies.
这一过程也会产生大量沼气。研究人员说，沼气将来可用作废水处理工厂动力。
The process also produces excess methane, and the researchers say that gas can be used to power wastewater treatment plants of the future.
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