东营市地处黄河三角洲平原,系黄河携带大量泥沙填海成陆,地势低平,地下水位及含盐量均高,土壤有机质和N、P、K等有效养分偏低,农业生产主要依靠黄河水。近年来,随着黄河断流时间持续增长,研究旱作技术和发展旱种农业是大势所需。2003年,东营市种子管理站从中国农业大学稻作研究 Dongying City is located in the Yellow River Delta plain, the Yellow River carrying a large amount of sediment reclamation into land, low terrain, groundwater level and salt content are high, soil organic matter and N, P, K and other nutrients is low, mainly rely on agricultural production Yellow water. In recent years, with the Yellow River drying up time continues to grow, research on dry farming techniques and the development of dry farming is the needs of the general trend. In 2003, Dongying City Seed Management Station from China Agricultural University rice research