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Table 3 Rice cultivars, sampling dates (indicated as days after transplanting, DAT), photosynthetic active radiation (PAR, μ mol m-2s-1) and the number of samples in the two experiments

From: Estimating rice chlorophyll content and leaf nitrogen concentration with a digital still color camera under natural light

Experiment Year Cultivar Vegetative Tillering Jointing Booting Number of samples
I 2010 Wuyunjing24 25a (937)b 36 (1536) 50 (1369) 64 (1532) 18
  2011 Nanjing46 18 (145) 35 (692) 55 (203) 75 (296) 24
II 2010 Nanjing44 22 (1215) 35 (1058) 49 (1759) 63 (1477) 18
   Yangjing48 22 (1449) 35 (1058) 49 (1759) 63 (1477) 18
  2011 Nanjing45 16 (427) 29 (654) 51c (589) 57 (289) 18
   Liangyoupeijiu 16 (427) 29 (654) 51 (589) 65 (621) 18
  1. arepresents sampling dates (the days after transplanting, DAT).
  2. brepresents the average PAR during the period of image acquisition.
  3. cBecause of the continuous sunny days in the jointing stage for Nanjing45, sampling dates was delayed about a week.