Chelated trace elements are more effective because the chelating molecules protect trace elements against insolubility and are also recognised by plant enzymes (that collect micronutrients and transport to tissues). There is another chelating factor in pH target stability and light sensitivity.
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Zn EDTA is a 15% zinc (Zn) fertilizer, the element zinc is bound to an EDTA chelate. This makes it better to absorb for the plant. Zinc is important for the production of auxin hormones and it is a building block for enzymes.
This is a copper chelate, which you can use for the input of the trace element copper (Cu). Copper is of big importance for the process of photosynthesis, which leads to producing vitamins. We higly recommend to prevent shortages of copper (or excess).
Mn-EDTA 13% is a fertilizer in which the element of manganese (Mn) is bound to an EDTA chelate. The element of manganese contributes to photosynthesis, the structure of enzymes and strengthens the plant’s cell walls. Suitable for a pH between 5.0 and 9.0.
HEEDTA 4.5% is an iron fertilizer containing HEEDTA chelate. If there is a deficiency of iron in the crop, we recommend that you apply this product through foliar fertilization. Furthermore, it can also be used for preventive action.
The most used liquid DTPA chelates are 3% and 6%. The 3% version is based on sodium and the 6% is based on ammonium. The 6% is the highest quality DTPA that is available in the market and is completely free of sodium and sulphate.