Leaching of Elements from Soil in Grassland Field Crops Treated with Raw and Acidified Slurry

Barwicki, J.; Borusiewicz, A.; Holden, Lisa; Kulcsár, László; Skibko, Z.; Żuchowski, Ireneusz; Romaniuk, Wacław

doi:10.2478/agriceng-2022-0012

Cited by 3 publications

(2 citation statements)

References 13 publications

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“…The main problem is that domestic wastewater treated in treatment plants contains very significant amounts of heavy metals (Ignatowicz, 2017;Mulchandani & Westerhoff, 2016;Dahiya et al, 2022;Barwicki et al, 2022;Derehajlo et al, 2023). The origin of these pollutants is industrial, not residential.…”

Section: Introductionmentioning

confidence: 99%

Critical assessment and recommendations for sewage sludge management in Poland

Wisniewski,

Kuczmaszewski,

Halicka

et al. 2024

EiS

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The purpose of the article is to demonstrate practices used to supervise the use of sewage sludge for agricultural purposes. The presented research and conclusions are a trend analysis and are not to be used to penalise entities. Sewage sludge, which comes from the illegal dumping of wastewater into municipal wastewater by industrial plants, contains large amounts of heavy metals. Treatment plants transfer the sludge for agricultural use. Regulations specifically restrict the mode and conditions for such use of sludge. Methods: the research was carried out using a proprietary questionnaire, which is a supplement to the reporting questionnaire of the National Urban Wastewater Treatment Program implemented by the State Water Company "Wody Polskie". Results: The survey was conducted at 208 wastewater treatment plants in Poland. The results show that the majority of wastewater treatment plants do not properly supervise the process of introducing sewage sludge into the soil. They also lack supervision of how much heavy metals from wastewater are introduced into the soil. This means that there is a very high risk of contamination of agricultural soils. The results obtained could initiate a detailed analysis of this phenomenon in Poland. A comprehensive study of the scale of the practice and its current effects is required to determine the actual condition of soil treated with sewage sludge.

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Section: Introductionmentioning

confidence: 99%

Critical assessment and recommendations for sewage sludge management in Poland

Wisniewski,

Kuczmaszewski,

Halicka

et al. 2024

EiS

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“…Using natural fertilisers in agriculture improves the yield obtained in quantity and quality [3,4]. They introduce macronutrients (nitrogen, phosphorus, and potassium) and micronutrients into the soil [5].…”

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Effect of Fertilisation Regime on Maise Yields

Kuboń,

Tymińska,

Skibko

et al. 2023

Sustainability

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Using natural fertilisers in agriculture improves quantity and quality yields. They introduce macronutrients (nitrogen, phosphorus, and potassium) and micronutrients into the soil. Enriching the soil with organic substances through fertilisation with digestates requires the farmer to have considerable knowledge and accuracy in dosing due to the need to comply with permissible concentrations of macronutrients. The availability of nutrients in a digestate is closely dependent on the substrates used in the biogas plant, and it cannot be stated unequivocally that better yields of field crops will be achieved by using it as manure. Therefore, the authors conducted a two-year study of the effect of the fertilisation method on maise yields. Based on the research carried out, the fertiliser suitability of the digest was confirmed. Plants fertilised with it were characterised by the highest (compared to other fertilisation methods) grain yield (of 12.07 Mg per hectare on average). In addition, they were characterised by adequate plant height (3.15 m on average). The observations also indicate good emergence and satisfactory early vigour.

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Heavy Metal Content in Substrates in Agricultural Biogas Plants

Derehajło,

Tymińska,

Skibko

et al. 2023

Agricultural Engineering

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The content of heavy metals in soil should be continuously monitored, especially in organic crops. Exceeding the permissible concentrations of these elements may lead not only to inhibition of plant growth but also to ingestion into the organisms of animals that feed on these plants. Heavy metals usually enter the soil via precipitation or manure. There is a noticeable increase in interest in digestate for fields fertilization. Therefore, the authors decided to test the heavy metal content in substrates (slurry and solid input) and digestate. The 15x3 samples tested showed that only trace amounts of heavy metals were present. The study shows that the content of these elements in the digestate is not the sum of the elements supplied to the digester with the substrates. In most of the samples tested, lead concentrations did not exceed 5 mg‧kg−1. The lowest amounts of cadmium (an average of 0.28 mg‧kg−1) were observed in the slurry, and the highest (an average of 0.34 mg‧kg−1) in the solid substrate fed to the digester. Slurry had the lowest mercury and cadmium contents (average 0.012 mg‧kg−1and 5.8 mg‧kg−1). The highest concentration of chromium was registered in the digestate (average 3 mg‧kg−1) and this was on average 0.3 mg‧kg−1 higher than the feedstock and 0.5 mg‧kg−1 than the slurry

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Leaching of Elements from Soil in Grassland Field Crops Treated with Raw and Acidified Slurry

Cited by 3 publications

References 13 publications

Critical assessment and recommendations for sewage sludge management in Poland

Critical assessment and recommendations for sewage sludge management in Poland

Effect of Fertilisation Regime on Maise Yields

Heavy Metal Content in Substrates in Agricultural Biogas Plants

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