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Table 2 Two-level factorial design of two irrigation levels (I) and inoculation treatments (T) from two independent experiments

From: Mixed rhizobia and Herbaspirillum seropedicae inoculations with humic acid-like substances improve water-stress recovery in common beans

  First experiment cv. Graffite 2012 Second experiment cv. Bonus 2013
I T I × T CV (%) I T I × T CV (%)
Shoot dry weight (SRW) * * * 8.52 * * * 15.37
Root dry weight (RDW) * * * 5.16 * * * 19.08
Nodule number (NN) * * * 7.63 * * * 11.94
Nodule dry weight (NDW) * * NS 10.28 * * * 10.56
Phenylalanine ammonia lyase (PAL) * * * 7.14 * NS NS 10.45
Stomatic conductance (gs) ND ND ND ND * * * 6.37
Net photosynthesis rate (A) ND ND ND ND * * NS 4.83
Relative water content (RWC) * * * 2.77 * NS NS 7.03
  1. Treatments: control, control with urea application, inoculation of R. tropici strains ‘BR322,’ ‘BR520,’ and ‘BR534,’ and co-inoculation of R. tropici strains and H. seropedicae strain HRC54 in combination with humic acid-like substances
  2. NS not significant, ND not determinated, CV coefficient of variation
  3. * Significant to p > 0.05 by F test