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3 results

  1. Sensors, 2011, 11, 2369-2384; doi:10.3390/s110302369

    Classification and quality evaluation of tobacco leaves based on image processing and fuzzy comprehensive evaluation

    FAN ZHANG (1,2); XINHONG ZHANG (3)
    1. Institute of Image Processing and Pattern Recognition, Henan University, Kaifeng 475001, P.R. China 2. College of Computer and Information Engineering, Henan University, Kaifeng, 475001, P.R. China 3. Computing Center, Henan University, Kaifeng 475001, P.R. China
    Most of classification, quality evaluation or grading of the flue-cured tobacco leaves are manually operated, which relies on the judgmental experience of experts, and inevitably limited by personal, physical and environmental factors. The classification ...
  2. Tob. Sci., 1991, 35, p. 49-53., ISSN.0082-4623

    Effect of soil pH and rates of nitrification inhibitors on nitrification and growth of flue-cured tobacco under greenhouse conditions

    CAO Z.H.; WOLLUM A.G. II; MINER G.S.
    Chinese Academy of Science, Inst. of Soil Science, Nanjing, China; North Carolina State University, Raleigh, NC, USA
    The purpose of this investigation was to determine the effects of soil pH and rates of nitrapyrin and metalaxyl on nitrification and growth and mineral composition of flue-cured tobacco under greenhouse conditions. Soil was amended with a complete NPK ...