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	Provedor de dados AgEcon (1) Autor Su, Haiyang (1) Palavra-chave Agricultural origin (1) Crop Production/Industries (1) Dry farming (1) Origin zone in China (1) Research and Development/Tech Change/Emerging Technologies (1) Tipo do documento Thesis or Dissertation (1) Ano 2009 (1) País United States (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Zonal Origin of Dry Farming in Northern China AgEcon Su, Haiyang. Environmental changes in Pleistocene and the breeding of primitive agriculture in late Paleolithic Age are discussed. Natural environment in China has changed significantly since the Quaternary Period. Under the cold climatic conditions at late Pleistocene, most parts of northern China were not suitable for the growth of millet and other crops preferring warm surroundings. But some microlithic remains in warm zones of southeastern edge of northern China have entered the stage of gathering agriculture, which might become a part of agricultural original zones of millet agriculture. Environmental change and the emergence of dry farming in northern China at early Holocene are analyzed. Early Holocene (about 12 – 8 kaBP) is an unstable heating period. Millet... Tipo: Thesis or Dissertation Palavras-chave: Agricultural origin; Dry farming; Origin zone in China; Crop Production/Industries; Research and Development/Tech Change/Emerging Technologies. Ano: 2009 URL: http://purl.umn.edu/53600 Registros recuperados: 1 Primeira ... 1 ... Última

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