Main features and technical properties of ADOB® chelates
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Chelate features | IDHA | EDTA | DTPA | HBED |
---|---|---|---|---|
ADOB®’s global patent | yes | no | no | yes, Fe 7% |
Biodegradable | yes | no | no | no |
Technology 2.0 | yes | no | no | no |
Microgranulated, dust-free | yes | yes | yes | no, microcrystallisation |
Solubility in 20°C | 700-750 g/l | 600-1700 g/l | 550-1800 g/l | 55 g/l |
Density (kg/m³) | 750-950 | 800-950 | 750-900 | 800-850 |
Free from anions Cl–, SO4-2, NO3– | yes | no | no | yes |
Sodic | yes | yes | yes | yes |
Potassic | no | yes | yes | no |
Ammonic | no | yes | yes | no |
Stability constant for iron (Fe) | 10-18 | 10-23 | 10-25 | 10-39 |
Soil application | yes | yes | yes | yes |
Foliar application | yes | yes | no | no |
Fertigation, hydroponics | yes | yes | yes | yes |
Acceptable soil pH | max. 7.5 (Fe max. 6.5) | max. 7.5 (Fe max. 6.5) | 6.5-7.5 | >7.5-12 |
Single chelates | yes | yes | only Fe and Mn | only Fe and Zn |
Pure chelates, chelate mixtures | yes | yes | yes | no |
Liquid | yes | yes | yes | only formulated, not pure |
Miscibility with pesticides | according to compatibility table and test trial |
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Chelation degree | 100% | 100% | 100% | 100% |
Content of ortho-ortho isomers | only biodegradable SS | none | none | none |