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Impact of polyvinyl alcohol application and wheat straw mulching on soil loss and infiltration rate in semi-arid tropics
Department of Soil and Water Engineering, Punjab Agricultural University, 141004, Ludhiana, Punjab, India.
Department of Soil and Water Engineering, Punjab Agricultural University, 141004, Ludhiana, Punjab, India.
Punjab Agricultural University, Regional Research Station, 151001, Bathinda, Punjab, India.
Punjab Agricultural University, Regional Research Station, 151001, Bathinda, Punjab, India.
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2024 (English)In: Applied water science, ISSN 2190-5487, E-ISSN 2190-5495, Vol. 14, article id 223Article in journal (Refereed) Published
Abstract [en]

A study was conducted at Punjab Agricultural University, Ludhiana, Punjab, with the aim of monitoring soil loss and infiltration rate in loamy sand soil. The study focused on the effects of applying polyvinyl alcohol (PVA) and mulch under simulated rainfall conditions. The experimental setup involved testing three levels of PVA (0.5%, 0.75%, and 1.0%), one level of wheat-straw mulch (600 g/m2), and a Control treatment (untreated soil). Each of these treatments was replicated four times. The lowest soil loss (20.9 g/m2) was recorded under the 1.0% PVA treatment, while the highest (120.1 g/m2) was seen under the 0.5% PVA treatment. The 1.0% PVA treatment showed a significant reduction in soil loss compared to the 0.5% PVA, 0.75% PVA, mulch, and Control treatments, with reductions of approximately 82.6%, 45.1%, 81.2%, and 89.6%, respectively. Regarding infiltration rates, the Control treatment exhibited the lowest rate (2.4 cm/h), while the 1.0% PVA treatment displayed the highest rate (9.6 cm/h). Additionally, the use of mulch led to a 44.7% reduction in soil loss compared to the treatment without mulch, likely due to the mitigated impact of raindrops. The infiltration rate was significantly higher (4.8 cm/h) under the mulched treatment compared to the unmulched treatment (2.4 cm/h). Overall, the application of PVA and mulch resulted in a drastic reduction in soil loss, likely attributable to the enhanced stability of soil aggregates, improved infiltration rate, and reduced runoff.

Place, publisher, year, edition, pages
Springer Nature, 2024. Vol. 14, article id 223
Keywords [en]
Infltration, Mulch, PVA, Soil erosion, Soil aggregates
National Category
Soil Science Agricultural Science
Research subject
Soil Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-110154DOI: 10.1007/s13201-024-02290-4ISI: 001315808200001Scopus ID: 2-s2.0-85204297641OAI: oai:DiVA.org:ltu-110154DiVA, id: diva2:1902546
Note

Validerad;2024;Nivå 2;2024-10-04 (sarsun);

Full text license: CC BY 4.0; 

Funder: King Saud University, Riyadh, Saudi Arabia (RSPD2024R958)

Available from: 2024-10-01 Created: 2024-10-01 Last updated: 2024-12-02Bibliographically approved

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