The iodine content of the soil and cereals in the area of the Woodlands


  • R. V. Hunchak Institute of Agriculture in the Carpathian region NAAS
  • H. M. Sedilo Institute of Agriculture in the Carpathian region NAAS
  • S. O. Vovk Institute of Agriculture in the Carpathian region NAAS
Keywords: iodine, minerals, soil, grain cereals

Abstract

Because of the natural laws of the chain «soil–plant–animal» trace element status of pigs in the conditions of industrial technology of cultivation depends on the quantity and value of various macro– and microelements in feed, which is the result of absorption from the soil. Among feed factors, one of the limiting micronutrient is iodine. We, in terms of Farm «Amila» Turiysk district, Volyn region, investigated levels of iodine in the grain group of plants (barley, triticale, oats, rye), which is used to feed pigs as fullcomponent feed, depending on the accumulation of trace elements in the soil. It was established that the average iodine content in sod–podzolic soils (36% of all arable land) farms located within 7.48 ± 0.46 mg/kg, clay and sand 5.6 ± 0.38 mg/kg and gley–sandy – 5.96 ± 0.67 mg/kg. Thus, the study of grain grown on these lands have shown that the level of iodine in them was low and ranged from 49 to 77 mg/kg. Given the data provided to us agrochemical analysis of soil (the humus, pH, exchange nitrogen, mobile forms of manganese, zinc, copper, iron, cobalt, boron and sulfur), it was found that the pH of the soil on the farm was, on average, at 6.1 – 7.5 humus content – 2% – 3%, nitrogen – 48 – 72 mg/kg. In the majority of areas in the studied soils found very high boron content (> 0.7 mg/kg) and very low concentration of copper (<0.11 mg/kg) and iron (<0.08 mg/kg). Amid moderate soil providing mobile forms of the investigated macro– and microelements (N, Mn, Zn, S) detected an imbalance in the concentration of B, Cu, Fe, is likely to affect the concentration of iodine in soil fixing its potential, which in turn depends on ability to maintain atomic iodine and facilitate its absorption. It is possible that the rate of absorption of iodine from the soil under these conditions is also insufficient. Taking into account the available information on the specific components of iodine in the diet to ensure the body metabolism pigs must decide on the further introduction of easily accessible iodine–containing drugs.

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Published
2016-10-28
How to Cite
Hunchak, R., Sedilo, H., & Vovk, S. (2016). The iodine content of the soil and cereals in the area of the Woodlands. Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies. Series: Agricultural Sciences, 18(2), 77–80. https://doi.org/10.15421/nvlvet6717