Experimental Study of Sunflower Organic Mulch Effect on Soil Hydraulic and Mechanical Properties under Different Compaction Energy

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Haghdoost Ghahremanloo Noorali; REZAVERDINEJAD VAHID; MONTASERI MAJID

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Journal: APPLIED SOIL RESEARCH Year:2020 | Volume:8 | Issue:3 Page(s): 27-39

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Information Journal Paper

Title

Experimental Study of Sunflower Organic Mulch Effect on Soil Hydraulic and Mechanical Properties under Different Compaction Energy

Author(s)

Haghdoost Ghahremanloo Noorali | REZAVERDINEJAD VAHID | MONTASERI MAJID | Issue Writer Certificate

Keywords

Dry bulk densityQ2

Sunflower pate organic mulchQ1

Saturated hydraulic conductivityQ2

Abstract

Organic mulches improve the hydraulic and mechanical properties of agricultural soils and are one of the most important tillage practices. In this research, the effects of sunflower pate residue were studied on mechanical, hydraulic and physical properties of soil in laboratory scale. Experiments were carried out in the form of completely randomized design factorial at three levels of organic mulch including 0, 10 and 20 ton ha-1 and three levels of compaction energy including 121. 41, 242. 83 and 364. 25 kJ m-3 via the Proctor's density test apparatus with three replicates. According to the results in the compaction energy of 121. 41 kJ m-3, the dry soil bulk density with mulch of 10 and 20-ton ha-1 decreased to 2. 85% and 5. 1% compared to the soil without mulch. In addition, the Saturated hydraulic conductivity increased to 794% and 905%, field capacity 5. 29% and 7. 01%, and permanent wilting point 2. 34% and 10. 27% respectively. In the compaction energy of 364. 25 kJ m-3 similar results were observed. So that, in soil containing 10 and 20 ton ha-1 of mulch, compared to the soil without mulch, the Dry bulk density decreased to 1. 87% and 4. 48% and the Saturated hydraulic conductivity increased to 200% and 300%, the field capacity 2. 79% and 7. 31% and the permanent wilting point 7. 56% and 14. 43% respectively. The results of this study showed that Sunflower pate mulch improves the mechanical, hydraulic and physical properties of soil under different compaction energies, and with increasing compaction energy, the amount of improvement these characteristics decreases...

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APA: Copy

Haghdoost Ghahremanloo, Noorali, REZAVERDINEJAD, VAHID, & MONTASERI, MAJID. (2020). Experimental Study of Sunflower Organic Mulch Effect on Soil Hydraulic and Mechanical Properties under Different Compaction Energy. APPLIED SOIL RESEARCH, 8(3 ), 27-39. SID. https://sid.ir/paper/397009/en

Vancouver: Copy

Haghdoost Ghahremanloo Noorali, REZAVERDINEJAD VAHID, MONTASERI MAJID. Experimental Study of Sunflower Organic Mulch Effect on Soil Hydraulic and Mechanical Properties under Different Compaction Energy. APPLIED SOIL RESEARCH[Internet]. 2020;8(3 ):27-39. Available from: https://sid.ir/paper/397009/en

IEEE: Copy

Noorali Haghdoost Ghahremanloo, VAHID REZAVERDINEJAD, and MAJID MONTASERI, “Experimental Study of Sunflower Organic Mulch Effect on Soil Hydraulic and Mechanical Properties under Different Compaction Energy,” APPLIED SOIL RESEARCH, vol. 8, no. 3 , pp. 27–39, 2020, [Online]. Available: https://sid.ir/paper/397009/en

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