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Chelated micronutrients -- on the move to boost yields

, : Chelated micronutrients -- on the move to boost yields. Solutions 26(7): 63-66, 68, 70, 72

The use of chelated micronutrients has become widespread because they mix well with virtually all types of fertilizers and remain available when applied to the soil. When in the chelated form, metal micronutrients such as zinc, manganese, and copper are not precipitated by phosphates, carbonates and other soil and fertilizer components; thus they remain mobile and unfixed. They can move freely through the soil for uptake by the plant root system.

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Related references

Modaihsh, A.S., 1997: Foliar application of chelated and non-chelated metals for supplying micronutrients to wheat grown on calcareous soil. A field experiment was conducted from 1992 to 1994 to study the effect of supplying micronutrients to wheat (Triticum aestivum L., cv. Yecora rojo) grown on calcareous soil. Chelated and/or non-chelated forms of Fe, Mn, Zn and Cu were administered...

Chopra, S.L.; Dudhane, M.L., 1987: Chelated micronutrients in dry land agriculture. Devimicroshakti (DMS) is a water soluble mixture of Fe, Zn, Cu, Mn and Mg chelated with an organic compound and it also contains B, S and Mo in addition. Effects of foliar application of 1.15 litre DMS/ha or soil application of 8 kg DMS granules/h...

Barone W.B., 1989: The role of chelated micronutrients in specialty fertilizer. Abstracts of Papers American Chemical Society 198: FERT 19

Revathy, M.; Krishnasamy, R.; Chitdeshwari, T., 1997: Chelated micronutrients on the yield and nutrient uptake by groundnut. In a field trial at Coimbatore, Tamil Nadu, groundnuts cv. Co.2 were given Fe and/or Zn fertilizers either by basal application or as chelated foliar sprays, or received a 0.5 or 1% foliar spray of a chelated mixture of Zn, Cu, Fe, Mn and Ca. Pod...

Wallace, A., 1966: Chelated metals for supplying micronutrients to fruit crops. A review with 78 references discussing apple, pear, peach, citrus, grape, avocado, macadamia, almond, pecan and blueberry.

Wallace, A., 1983: A one-decade update on chelated metals for supplying micronutrients to crops. A review mentioning fruit trees, berry crops and field crops. Chelating agents are too expensive for use in general field agriculture except where their efficiency can be greatly increased as with drip irrigation techniques. Chelating agents also...

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