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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...

Imayavaramban, V.; Jino Jeyasingh; Thanunathan, K.; Singaravel, R.; Manuel, R.I., 2004: Studies on the effect of foliar application of NPK and chelated micronutrients on the productivity and economic returns of sesame. The effects of Azospirillum + MnSO4 or Microsol foliar application on the performance of sesame (cv. VRI 1) were studied in Annamalai, Tamil Nadu, India, during the summer and kharif 2001. Seeds were inoculated with Azospirillum at 200 g/kg of see...

Tawfik, A.A., 1997: Response of Lupinus hartwegii Lindl. and its alkaloid content to foliar application of some chelated micronutrients. A field experiment was conducted in Egypt during 1993-95 to determine the effects of foliar application of chelated Fe, Mn and Zn (100 ppm), applied separately or in different combinations, on growth, seed yield and seed alkaloid content of L. har...

Savithri, P.; Ramulu, U.S.S., 1990: Effect of continuous application of micronutrients to each of 15 crops on the available micronutrients status of soils and yields of crops. Repeated application of ZnSO4, CuSO4 and FeSO4 (up to 25 kg/ha) had no harmful effects on 15 crops (cereals, pulses and oilseeds) up to the 15th cropping season and did not result in the accumulation of toxic levels of the available micronutrients...

Manivannan, V.; Thanunathan, K.; Mayavaramban, V.; Ramanathan, N., 2002: Effect of foliar application of N, P, K and chelated micronutrients (Microsol) on growth and yield of rice-fallow urdbean. Field experiments were carried out in Tamil Nadu, India during February-April 1999 and January-April 2000 to find out the effect of foliar application of N, P, K and chelated micronutrients with and without Rhizobium seed treatment on growth and y...