Potential of developing podzolic soil-based potting media from wood ash, paper sludge and biochar

Farhain, Muhammad M.; Cheema, Mumtaz; Katanda, Yeukai; Nadeem, Muhammad; Javed, Bilal; Thomas, Raymond; Saha, Ratnajit; Galagedara, Lakshman

doi:10.1016/j.jenvman.2021.113811

Cited by 13 publications

(18 citation statements)

References 53 publications

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“…Declining areas of fertile soil, water scarcity, changing weather conditions combined with increasing urbanisation, food insecurity and climate change have put severe pressure on the agricultural sector [35,36]. Therefore, there is more and more interest in finding improved or new alternatives to meet the growing demand for food and feedstuffs [37].…”

Section: Discussionmentioning

confidence: 99%

Effect of Fertilisation with Ash from Biomass Combustion on the Mechanical Properties of Potato Tubers (Solanum tuberosum L.) Grown in Two Types of Soil

et al. 2022

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The aim of the research was to determine the effect of fertilising with various doses of ash from biomass combustion (D2–D6) compared to control plots and classic NPK (D1) fertiliser on the morphological and mechanical properties of potato tubers (Solanum tuberosum L.). The field experiment was carried out in the years 2019–2021 (south-eastern Poland, 49°59′ N, 21°57′ E) on two types of soil: Gleyic Chernozem (silty loam) and Haplic Luvisol (silt). The values of mechanical parameters, such as the peel and flesh punching force (FD), deformation (DR) and energy (ED) needed to destroy the test sample, were assessed. The biometric features of the tubers were also assessed. It was found that tubers obtained from the experimental fields where D3 and D4 ash fertiliser doses were applied (corresponding to doses of 188 and 282 kg∙ha−1 K) had the highest tuber yields and the highest resistance to mechanical damage under quasi-static loads. Ash from biomass combustion can be an alternative to conventional mineral fertilizers and can be used in the development of mineral fertilization plans for sustainable agriculture, which will help to solve the problem of storage of this waste.

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Section: Discussionmentioning

confidence: 99%

Effect of Fertilisation with Ash from Biomass Combustion on the Mechanical Properties of Potato Tubers (Solanum tuberosum L.) Grown in Two Types of Soil

et al. 2022

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“…Biochar (a carbon‐rich product produced from pyrolysis of organic residues) can reduce the potential risks of heavy metal toxicity in mill waste products (Elkhlifi et al., 2023). Additionally, biochar (BC) can also improve soil physicochemical and biological properties (Farhain et al., 2022; Medaiyese et al., 2023), reduce nutrient leaching (Cairns et al., 2022), and reduce greenhouse gas emissions (Mosa et al., 2023).…”

Section: Introductionmentioning

confidence: 99%

Effectiveness of wood ash and paper sludge as liming and nutrient sources for annual ryegrass grown in podzolic soils of Newfoundland

Javed,

Katanda,

Nadeem

et al. 2024

Soil Science Soc of Amer J

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The acidic soils of western Newfoundland require liming for successful production of most crops. Locally sourced paper mill waste wood ash (WA) and paper sludge (SL) have potential as cheaper alternatives to limestone (LIME). Two greenhouse experiments evaluated WA and SL as liming and soil conditioning amendments for annual ryegrass (Lolium multiflorum) production. At 55 days after seeding, soil pH in WA (6.2 and 6.3) and wood ash and paper sludge (WASL) (6.0 and 6.3) were not different from that in LIME (6.0 and 6.5) for Experiments 1 and 2, respectively. However, pH in SL was 0.4 and 0.3 points lower than in LIME. Compared to LIME, WA, SL, and WASL produced 31%–52% and 57%–74% greater biomass yield in Experiments 1 and 2, respectively. N uptake was greater in WA (60 and 129 kg N ha−1) and WASL (51 and 97 kg N ha−1) compared to LIME (40 and 85 kg N ha−1), in Experiments 1 and 2, respectively. SL did not differ from LIME in Experiment 1, but reduced N uptake by 57% in Experiment 2. The results show significant potential of WA as an alternative amendment for liming and yield improvement of annual ryegrass grown in NL podzolic soils. However, SL has limited potential due to the risk of increasing N immobilization and residual soil mineral N when growing conditions are limiting. Combining SL with WA or biochar seemed to alleviate these risks. Overall, the adoption of these amendments for field production systems warrants serious consideration, following supplemental field studies to determine optimal application rates and timing.

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“…Due to their high carbon contents and pH, these waste products can be valuable amendments for liming or conditioning of poor soils, including podzols commonly found in boreal agroecosystems (Demeyer et al 2001, Rashid et al 2006. The recycling of PMW could improve soil quality, reduce disposal costs, and mitigates environmental risks at landfill sites (Farhain et al 2022).…”

Section: Introductionmentioning

confidence: 99%

“…Wood ash and paper sludge also contain elements, including limited amounts of essential plant nutrients, as well as heavy metals like arsenic (As), cadmium (Cd), chromium (Cr), cobalt (Co), lead (Pb), molybdenum (Mo) and nickel (Ni) (Camberato et al 2006, Maheswaran 2019, Farhain et al 2022. The main source of heavy metals in these waste products is the oil used during combustion, and contaminant levels can vary depending on the fiber source and the treatment process (Camberato et al 2006).…”

Section: Introductionmentioning

confidence: 99%

Paper mill wastes and biochar improve physiochemical properties and reduce heavy metals leaching risks in podzolic soils

Farhain,

Cheema,

Nadeem

et al. 2024

Environ. Res. Commun.

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Background: The incorporation of industrial wastes, such as wood ash and paper sludge, as soil amendments is vital for both environmental sustainability and agroecosystem productivity. Herein, we evaluated the effects of wood ash and paper sludge alone and in combination with biochar on the physicochemical properties and heavy metal leaching risks in podzolic soils.Methods: The treatments included limestone (control), wood ash, paper sludge, wood ash+paper sludge, limestone+biochar, wood ash+biochar, paper sludge+biochar and wood ash+paper sludge+biochar, arranged in a 4x2 factorial design with three replicates. The Hydrus-1D model was employed to simulate the water movement under these soil amendments using leaching colums. Results: Overall, wood ash, paper sludge and biochar application significantly increased the pH of amended soil compared to control. Paper sludge amended treatments alone or in combination with biochar significantly decreased bulk density (8-17%) and increased the total porosity (14-25%). While biochar addition to wood ash and paper sludge significantly reduced the concentrations of Cd (by 6.42%), Co (by 10.95%), Cu (by 11.76%), Pb (by 30%) and Ni (by 3.75%) in the collected leachates. The treatment paper sludge + biochar was found to be the most effective treatment to retain the heavy metals, with maximum plant available water (0.28 cm3 cm-3) and field capacity (0.36 cm3 cm-3) compared to control treatment. The predictions from Hydrus-1D showed that paper mill wastes with biochar has a significant potential to increase the volumetric moisture contents of amended podzolic soil, with the simulated leaching times and saturation levels closely aligning with the measured values. Conclusion: Paper sludge + biochar treatment showed improved soil physicochemical properties and displayed lower heavy metals than allowed limits to be used in soil. Further, experiments are needed to assess the effects of papermill waste products on podzolic soil properties under variable field conditions.

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Potential of developing podzolic soil-based potting media from wood ash, paper sludge and biochar

Cited by 13 publications

References 53 publications

Effect of Fertilisation with Ash from Biomass Combustion on the Mechanical Properties of Potato Tubers (Solanum tuberosum L.) Grown in Two Types of Soil

Effect of Fertilisation with Ash from Biomass Combustion on the Mechanical Properties of Potato Tubers (Solanum tuberosum L.) Grown in Two Types of Soil

Effectiveness of wood ash and paper sludge as liming and nutrient sources for annual ryegrass grown in podzolic soils of Newfoundland

Paper mill wastes and biochar improve physiochemical properties and reduce heavy metals leaching risks in podzolic soils

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