Effects of Paper Mill Sludge Application on Physical Properties of an Illitic Loess Slowly Swelling Soil with High Specific Surface Area and Wheat Yield in a Temperate Climate

Amini, Somaye; Naeini, S. A. R. Movahedi

doi:10.5539/jas.v5n1p295

Cited by 3 publications

(6 citation statements)

References 44 publications

(17 reference statements)

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“…These results are in line with findings of Moragues-Saitua et al (2017) on Pinus radiata, where wood ash was applied at 4.5 Mg ha −1 and revealed that after 15 months there was no significant difference observed between wood ash amended plots and control (without wood ash) with respect to mean pore diameter and total porosity of loamy texture soil. Total plant available water always depends upon organic matter, pore sizes, soil structure and aggregate stability (Amini and Movahedi Naeini 2013). The paper sludge application increased the VMC at field capacity and plant available water compared to wood ash, limestone and biochar (table 5, figure 1).…”

Section: Discussionmentioning

confidence: 99%

“…The paper sludge application increased the VMC at field capacity and plant available water compared to wood ash, limestone and biochar (table 5, figure 1). Increase in VMC could be due to increase in porosity because of lower bulk density (Amini and Movahedi Naeini 2013). Water retention properties of paper sludge amended soil enhanced at higher rate of paper sludge incorporation by increasing the total porosity, potentially high micro pore spaces, due to paper sludge fibers positioned between soil particles (Farhain et al 2022).…”

Section: Discussionmentioning

confidence: 99%

“…Also, the calcium (Ca) content in wood ash can readily replace sodium (Na) at exchange sites and promote soil flocculation, aggregate stability, and water movement (Jala and Goyal 2006). On the other hand, paper sludge has substantial organic content, which typically ranges from 40% to 50% by weight (Amini and Movahedi Naeini 2013)). Paper sludge can improve soil physical, chemical, and biological properties, including water content at field capacity Simard 2001, Farhain et al 2022) and plant available water in sandy soils (Fierro et al 1999).…”

Section: Introductionmentioning

confidence: 99%

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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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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

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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“…In the sub-humid climate of northern Iran, in addition to the cementing effects of high quantity fine clays in high specific surface soils, slow saturation and incomplete swelling of soils may induce greater cohesion and mechanical resistance (64). The correlation between soil K concentration and plant K uptake was not significant (65).…”

Section: Effects Of Treatment Applications On Post-cropping Soil Chemmentioning

confidence: 91%

Effects of sewage sludge and its biochar on soybean yield in fine-textured loess soil

Dokht

Naeini

Dordipour

et al. 2017

Environ Health Eng Manag

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Background: The application of biochar as a soil amendment has achieved popularity and has been found to improve considerably soil nutrient status and plant productivity in low fertile soils. Methods: This study used two different methods to apply sewage sludge and sewage sludge biochar with three replicates in a completely randomized block design. The experiment included (1) control, (2) mulch biochar (20 t/ha), (3) incorporated biochar (20 t/ha), (4) mulch sewage sludge (45 t/ha), and (5) incorporated sewage sludge (45 t/ha). This study aimed to investigate the potential benefits of sewage sludge and its biochar as mulch and incorporated into the top-soil for soil fertility, growth, yield, and shoot nutrient concentration of soybean and the effects of treatments on dry bulk density, water content, and mechanical resistance. Results:The results showed higher values of height, biological yield, grain yield, and number of pods in the biochar mulch treatments (116.5, 10627.01, 4180, and 71.2, respectively). Moreover, it was determined that the addition of biochar and sewage sludge to soil resulted in increased shoot nitrogen (N), phosphorous (P), and potassium (K) concentrations, soil P, soil K, and total soil N (TN) compared with the control plots. Results from this study also showed that biochar and sewage sludge had positive impacts on the physical properties of soil. Bulk density and soil mechanical resistance were decreased, and volumetric water content was increased. Conclusion: Heating sludge removed all pathogens. It is recommended that short-and long-term studies be conducted in the region to investigate further increases in the combined biochar and sewage sludge application rates. Keywords: Nitrogen (N), Phosphorous (P), Potassium (K), Pathogens Citation: Fathi Dokht H, Movahedi Naeini SA, Dordipour E, De Jong LW, Hezarjaribi E. Effects of sewage sludge and its biochar on soybean yield in fine-textured loess soil.

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“…This has had an effect on the growth of chickpea root and the absorption of nutrients. Amini and Movahedi Naeini (2013) concluded that reducing the yield of products in no tillage system is directly affected by more mechanical soil resistance or lack of moisture and access to nutrients. By increasing the special surface of soils and thinning of clay soils, their cement property is strengthened and the mechanical strength of the soil increases.…”

Section: Introductionmentioning

confidence: 99%

Effect of soil tillage systems on chickpea yield and moisture of soil

Salehi¹,

Rokhzadi²,

Abdolahi³

et al. 2017

Biosci. Biotech. Res. Comm

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Sustainable agriculture is now considered as an important factor in the development of modern agriculture. Sustainable agriculture emphasizes the long-term yield stability with the least adverse impact on the environment. So tillage is a very important factor in agricultural economics. The aim of this study was to investigate the effect of tillage on chickpea yield in split strip plots based on a randomized complete block design with three replications in two growing years of 2014-2015 and 2015-2016 in Mahidasht located in Kermanshah. In this research, it was found that in the fi rst year, the results of analysis of variance showed that the effect of tillage was signifi cant only on grain yield at 5% level. However, the effect of tillage on moisture content was not signifi cant in the studied properties. In the second year of experiment, the tillage factor also had a signifi cant effect on grain yield, biological yield, and moisture content at the depth of 0-20 cm at 5% level, and it was signifi cant on moisture content at the depth of 20-40 cm at second phase at 1% level. Since the yield of the crop was lower in no tillage than in other cases, but the use of no tillage has caused that there is no place for agricultural equipment and machinery in the farm which caused density in soil. It should be noted that these machines and equipment are so expensive,this issue is very important in economic terms; therefore, the use of no tillage system is proposed.

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Effects of Paper Mill Sludge Application on Physical Properties of an Illitic Loess Slowly Swelling Soil with High Specific Surface Area and Wheat Yield in a Temperate Climate

Cited by 3 publications

References 44 publications

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

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

Effects of sewage sludge and its biochar on soybean yield in fine-textured loess soil

Effect of soil tillage systems on chickpea yield and moisture of soil

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