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Table 4 Sources of variation (two-way ANOVA, field experiment 2015)

From: Improving fertilizer-depot exploitation and maize growth by inoculation with plant growth-promoting bacteria: from lab to field

  SPAD 68 DAS Stem Ø 68 DAS (mm) Height 71 DAS (cm) Biomass F. M. (Mg ha−1) Biomass D. M. (Mg ha−1)
NH4 0.0087 0.0011 0.0071 0.0264 NS
Broad 53.5 a 24.7 a 230.8 a 55.1 a 19.6
Depot 52.1 b 23.4 b 222.7 b 52.1 b 18.6
BE_Band NS NS NS 0.0635 0.0364
NoBE 52.8 24.0 224.3 51.9 18.8 b
BE1 52.4 23.9 226.4 55.6 20.3 a
BE2 53.2 24.2 229.5 53.2 18.3 b
NH4*BE_Band NS NS NS NS NS
  1. DAS days after sowing, SPAD estimate of leaf N concentration, Stem Ø stem diameter, Height plant height, P values are in italics, NS no significant difference when P ≥ 0.1; P < 0.1 is bold italics; Means not sharing the same letters are significantly different from each other, Tukey test α = 0.05; NH4-Broad starter fertilizer as di-ammonium phosphate (DAP) followed by broadcast and incorporation of stabilized (NH4)2SO4 before sowing, NH4-Depot starter DAP, and subsurface placement of concentrated stabilized (NH4)2SO4 solution in water at 10 cm soil depth at 4–5 leaf stage; BE bio-effector, BE1 Pseudomonas sp. DSMZ 13134; BE2 Bacillus amyloliquefaciens FZB42, Biomass above-ground biomass (BBCH 85-87)