3.Agricultureis the deliberate effort to modify a portion of Earth’s surface through the cultivation of crops and the raising of livestock for sustenance or economic gain. (Rubenstein, J.M. 2003. The Cultural Landscape: An Introduction to Human Geography. 7th ed. Upper Saddle River, NJ: Pea...
An empirical examination of faculty and farmer definitions. Journal of Sustainable Agriculture , 3(1), 5–39.Dunlap, Ripley E., E. Beus, Curtis, R. Howell y J. Waud. 1992. What is sustainable agriculture? An empirical examina- tion of faculty and farmer definitions. Journal of ...
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come into play:开始;开始起作用剑桥词典英语释义:If something comes into play, it starts to have a use or an effect in a particular situation, and if it is brought into play, it is given a use or an effect.例句:In the summer months a different set of climatic factors come into play.A...
powerenergyismatureinawiderangeoffields. Butthereareotherconsiderations.Forexample, solarfarmsaredense(密集),whilethelandbetweenwindturbinescanbeco-usedforagriculture. Tidalpowerisan environmentally-friendly energysource.Inadditiontobeingarenewable energy,itdoesnotgiveoffanyclimategasesand doesnottakeupalotofspace...
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After graduating 4.___C___ college in 1953, he became a teacher in an agriculture(农业)school. In 1960, Yuan Longping saw many people die of hunger, so he made a 5.___H___ to do some research into a new kind of rice-hybrid rice. After 6.___J___ years of hard work, Yuan...
“I feel like urban agriculture is vital because everyone needs to be an informed consumer. If nothing else, seeing urban agriculture operations around cities provides individuals with a visual of where their food comes from and how production can happen,” said Rob Hays, Indiana FFA Association ...
(1992). What is sustainable agriculture? An empirical examination of faculty and farmer definitions. Journal of Sustainable Agriculture , 3(1), 5–39... RE Dunlap,CE Beus,RE Howell,... - 《Journal of Sustainable Agriculture》 被引量: 187发表: 1993年 What is sustainable agriculture? An emp...
An urban farm is a type of farm that is located in an urban area. The main differences between an urban farm and a farm in...