The late 1930s, U.S. agriculture's share of the total population of 25% of farmers per capita agriculturaloutputvalue of about $ 6000.
20世纪30年代末,美国农业人口占总人口的比重为25%,农民年人均农业产值约6000美元。
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The increased outputvalue through agricultural technical progress till the end of the 20th century is expected to 60-70 percent of the gross agriculturaloutputvalue.
Tea crop area, harvesting area, per unit area yield, gross output, and the total agriculturaloutputvalue of the tea industry are analyzed and assessed by using regression model analysis.