我国西南烟区典型植烟土壤烤烟氮素的吸收规律-作物学报.PDF

作物学报 ACTA AGRONOMICA SINICA 2013, 39(3): 486493 http :///zwxb/ ISSN 0496-3490; CODEN TSHPA9 E-mail: xbzw@ DOI: 10.3724/SP.J.1006.2013.00486 我国西南烟区典型植烟土壤烤烟氮素的吸收规律 刘青丽1 陈 阜1 张云贵2 李志宏2, 焦永鸽2 谷海红2 1 , 100193; 2 , 100081 15 : N , , , 60~100 kg hm–2 , , , , ; 79 11 , ; , , 59.8%, 72.1%, , 87.8%47.3%49.2% , , , : ; ; ; ; Nitrogen Uptake of Flue-Cured Tobacco in Typical Types of Soil in Southwest China 1 1 2 2, 2 2 LIU Qing-Li , CHEN Fu , ZHANG Yun-Gui , LI Zhi-Hong , JIAO Yong-Ge , and GU Hai-Hong 1 College of Agronomy and Biotechnology, China Agricultural University, Beijing 100193, China; 2 Institute of Agricultural Resource and Agricultural Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, China Abstract: The aims of this study were to ascertain the difference of nitrogen uptake and verify the absorption law of the nitrogen 15 from soil and fertilizer for tobacco grown in southwest China with red soil, yellow soil, and paddy soil by N tracer. The results showed a signific