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Abstract:BasedonthedatafromtheCost-benefitDataofFarmProduceandtheChinaAgriculturalYea... Abstract: Based on the data from the Cost-benefit Data of Farm Produce and the China Agricultural Yearbook, this paper divided the intensity of cultivated land use into labor intensity and capital intensity, and then analyzed their temporal and spatial change at both national and provincial levels between1980 and2006. The results showed that: (1) At the national level, labor intensity on food produce decreased from398.5 day/ha in1980 to130.25 day/ha in2006; and a continuous decrease with a steep decline between1980 and1986, a slower decline from1987 to1996, and another steep decline from1997 to2006. On the contrary, capital intensity shows an increasing trend since1980. As to the internal composition of capital intensity, the proportion of seed, chemical fertilizer and pesticide input decreased from 90.36% to73.44% and the proportion of machinery increased from9.64% to26.56%. The less emphasis on yield-increasing input and more emphasis on labor-saving input are the main reasons for a slow increase of yield per unit area after1996. (2) At the provincial level, the developed areas have lower labor intensity and higher capital intensity. The less developed ones have higher labor intensity but lower capital intensity. From the viewpoint of the internal composition of capital intensity, labor-saving input accounts for more proportion in the developed areas than that of other areas. The main reason is that in these developed areas, labor input has become a constraint factor in food production as more and more labors engaged in off-farm work. Farmers increase the labor-saving input for higher labor productivity. However, in the less developed areas, the major constraint is the shortage of capital; food production is still depending on labor and yield-increasing inputs. 展开
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文摘:基于数据从农产品的成本效益数据和中国农业年鉴,本文使用耕地的强度分为劳动强度和资本强度,然后分析他们的时间和空间改变国家和省级层面上都是1980年和2006年渐变。结果表明:(1)在国家层面上,粮食生产减少劳动强度从398.5天/公顷到1980年的130.25天/公顷;2006年,持续减少1980年和1986年之间急剧下降,从1987年到1996年,缓慢下降,另一个从1997年到2006年急剧下降。相反,资本密集度显示了自1980年以来增加的趋势。资本密集度的内部组成,比例的种子、化肥和农药投入的比例从90.36%下降到73.44%,机械从9.64%上升到26.56%。增产少强调输入更强调省力,农民收入增长缓慢的主要原因是1996年之后,单位面积产量。(2)省级,发达地区劳动强度和更高的资本强度较低。欠发达的劳动强度较高但低资本强度。从内部资本构成的角度强度,节省劳动力的输入占了更多的比例在发达地区比其他地区。主要原因是在这些发达地区,劳动力投入粮食生产已成为约束因素随着越来越多的劳动力从事非农工作。农民增加了省力输入更高的劳动生产率。然而,在欠发达地区,主要的约束是资金短缺,粮食产量增产仍取决于劳动力和输入。
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