It is the first to compare organic and conventional agriculture across the main goals of sustainability identified by the National Academy of Sciences: productivity, economics, and environment.

它是第一个从国家科学院所确定的可持续性主要目标，即从生产力、经济效益和环境这几方面来比较有机农业和传统农业。

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Farmer income growth is slow, it is the issue with current agriculture and most outstanding rural economics.

农民收入增长缓慢，是当前农业和农村经济最为突出的问题。

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Mathematical methods are used extensively in economics, medicine, agriculture, architecture, arts and all other fields of modern knowledge.

数学方法在经济、医学、农业、建筑和艺术等现代知识的所有领域中都得到了广泛的应用。

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The project will look at bioscience approaches from agriculture to economics, and will also study the ethical implications of all this new biotech work.

FORBES: BP's Biotech Bet

"Nobody knows the future, but if the past is any guide, the farmworkers who get legalized, many of them will leave agriculture pretty quickly, " said Philip Martin, professor of agricultural and resource economics at University of California, Davis.

NPR: In Prior Overhaul, Legalized Farmworkers Prospered

The 13 youthful participants in the urban agriculture Challenge come from a wide range of different disciplines, including architecture, creative writing, economics and public health.

FORBES: Imagining Skyscraper Farms