Registration Dossier
Registration Dossier
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EC number: 701-325-7 | CAS number: -
Toxicity to terrestrial plants
Administrative data
Link to relevant study record(s)
Description of key information
No exposure, no effects of the high background levels
Key value for chemical safety assessment
Additional information
- Mizuno N, Yoshida H (1993) Effect of Exchangeable Aluminium on the Reduction of Potato Scab. DOI: 10.1007/BF00025094 Plant and Soil 155-156(1)505-8
- Prasad J & Singh RS (1988). Effect of Potassium and Iron on Yields and Phosphorus, Calcium and Magnesium Content of Paddy (Oryza sativa L.). Agric.Sci.Dig. 8(4):207-209.
- Singh V, Prakash O (1990). Effect of phosphorous and iron yield and their content uptake by wheat. Trans. Indian Soc desert Technol. 15 pp 63-67.
- Subrahmanyam K, Nair AK, Singh DV (1991). Evaluation of diammonium and polyphosphates as carriers of iron and zinc in Japanese mint ratoon-mungbean cropping sequence. J. Indian Soc. Soil Sci. 39(3):477-481.
According to the exposure scenario, no soil exposure is expected from the submission item.
Iron
The following section is taken from the SIAR for iron salts (SIDS Initial Assessment Report for SIAM 24, Paris, France, 17-20 April 2007), Section 4.2
Iron is an essential trace element for plant development being involved in chlorophyll formation, cell division and growth and as an oxygen carrier. Results reported by Singh et al (1990), for a study assigned reliability 2, show increased iron uptake and biomass production in wheat (Triticum sp.) at direct application rates of up to 10 ppm Fe added as ferrous sulfate (FeSO4.7H2O). At 20 ppm measured iron uptake and biomass were reduced, as were phosphorous levels. This is consistent with iron reducing the availability of phosphorous. Mizuno et al (1993) reported a 10% decrease in total biomass for a potato (Solanum tuberosum) crop at the very high ferrous sulfate (FeSO4) addition level of 800 kg/ha (290 kg Fe/ha). This test was carried out in an acidic soil, pH 4.6 – 5.0 which would significantly increase iron availability. It should also be noted that at this low pH toxic effects due to high aluminium levels are possible. The study has been assigned reliability 4. Yield of rice (Oryza sativa) was increased, in a reliability 2 study reported by Prasad & Singh (1988), by addition of Fe (as FeSO4.7H2O) at concentrations up to 12.5 ppm Fe. Yield was depressed at a concentration of 25 ppm (i.e. mg/kg) Fe.
In a reliability 2 study reported by Subrahmanyam et al (1991), the addition of Fe (as Fe2(SO4)3) to soil at 5 and 10 ppm increased plant height and biomass in Corn mint (Menthe arvensis) relative to those at a concentration of 2.8 ppm.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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