1936年，实行《1914年农村电力法案》（Rural Electrification Act），美国农村生活程度得到伟大晋升，电力系统也使大规模喷灌功课成为可能，全领土地实现灵活灌溉确保了稳产和高产。
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以上来源于: WordNet
When the Rural Electrification Act was passed in 1936, only about 10 percent of rural America had access to utility scale electric power.
FORBES: The Good Grid and why bragging about being "off the grid" is silly
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