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中国农民对农业具有独特的经营方法,可以使土地长远保持肥力,并不断提高土地生产力,以无与伦比的农业耕作法满足了人口增长的需要。 ——李比希(德国近代农业化学家)
Chinese peasants have a unique management of agriculture, which can make the land more fertile in the long run and continuously improve land productivity, meeting the needs of population growth with unparalleled agricultural practices. - Liebig (German modern agricultural chemist)