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Table 3 Comparison of densities, macro and microelements in the six formulations: 1. Rygex, 2. Algavyt, 3. Ryzoset, 4 Manek, 5 Ecoryg and 6. Algavyt Zn/Mn

From: Physicochemical analyses of plant biostimulant formulations and characterisation of commercial products by instrumental techniques

Parameters Rygex Algavyt Ryzoset Manek Ecoryg Algavyt Zn/Mn
Density (g/L) 1170 1220 1050 1012 1270 1410
P total (% w/w) 0.017 ± 0.001 0.060 ± 0.002 0.040 ± 0.002 0.39 ± 0.01 0.040 ± 0.002 0.008 ± 0.001
K soluble (% w/w) 1.10 ± 0.1 4.5 ± 0.3 0.170 ± 0.015 3.1 ± 0.2 4.2 ± 0.3 0.42 ± 0.03
CaO soluble (% w/w) 0.20 ± 0.02 <0.2 ± 0.02 nd nd 0.80 ± 0.06 nd
MgO soluble (% w/w) 0.07 ± 0.008 0.2 ± 0.02 0.057 ± 0.007 0.02 ± 0.002 0.2 ± 0.02 0.07 ± 0.01
S (% w/w) 0.03 ± 0.01 0.10 ± 0.01 0.18 ± 0.01 nd 0.20 ± 0.01 3.0 ± 0.1
Zn (% w/w) 0.003 ± 0.001 1.3 ± 0.1 1.9 ± 0.1 0.0007 ± 0.0002 0.0003 ± 0.0001 6.1 ± 0.3
Mn (% w/w) 0.0020 ± 0.0002 0.0015 ± 0.0002 0.0010 ± 0.0001 nd 0.0020 ± 0.0002 5.6 ± 0.3
Cu (mg/Kg w/w) 4.6 ± 0.2 1.0 ± 0.1 4.4 ± 0.2 3.9 ± 0.2 1.0 ± 0.1 0.9 ± 0.1
Fe (mg/Kg w/w) 100.0 ± 10.0 90.0 ± 5.0 2500.0 ± 200.0 20.0 ± 2.0 100.0 ± 10.0 40.0 ± 3.0
Na (mg/Kg w/w) 140 ± 18 270 ± 30 81 ± 15 79 ± 14 200 ± 28 180 ± 25
Cd (mg/Kg w/w) 0.22 ± 0.05 0.06 ± 0.02 0.010 ± 0.005 0.08 ± 0.02 0.31 ± 0.05 0.55 ± 0.09
  1. Extended error calculated at 95 % confidence level
  2. nd not detected