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Journals / Research in Agricultural Sciences / 2026 / Volume: 57 Issue: 3

Enhancing Soil Physical Properties and Grapevine Performance Through Polyvinyl Alcohol (PVA) Application Rates

Polivinil Alkol (PVA) Uygulama Dozlarının Toprak Fiziksel Özellikleri ve Asma Gelişimi Üzerine Etkileri

Fazıl Hacımüftüoğlu(ATATÜRK ÜNİVERSİTESİ, ZİRAAT FAKÜLTESİ)0000-0002-2897-8559
Pages
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Publication Date
2026-09-16
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The results showed that PVA applications increased aggregate stability by 32% compared with the control treatment.

📌 3 Key Takeaways

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Objective & Hypothesis:The aim of this study was to determine the effects of different application rates of polyvinyl alcohol (PVA), a synthetic organic polymer with soil-conditioning properties, on soil physical properties and the vegetative growth parameters of Karaerik and Narince grapevine cultivars.
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Key Findings & Data:The experiment was conducted under greenhouse conditions using a total of 60 pots, consisting of six treatment groups, two grapevine cultivars, and five replicates.
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Conclusion & Impact:The results showed that PVA applications increased aggregate stability by 32% compared with the control treatment.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Aggregate stability · Grapevine performance · Polyvinyl alcohol

Abstract

The aim of this study was to determine the effects of different application rates of polyvinyl alcohol (PVA), a synthetic organic polymer with soil-conditioning properties, on soil physical properties and the vegetative growth parameters of Karaerik and Narince grapevine cultivars. The experiment was conducted under greenhouse conditions using a total of 60 pots, consisting of six treatment groups, two grapevine cultivars, and five replicates. The treatment groups included three reference growing environments (control (D0), sand, sand + soil) and three PVA application rates based on weight (D1: 0.05%, D2: 0.10%, and D3: 0.30%). At the end of the experiment, soil aggregate stability (AS), air permeability (AP), water permeability (WP), bulk density (BD), and total porosity were determined. The evaluated plant morphological parameters included root length (RL), number of roots (NR), shoot length (SL), number of leaves (NL), fresh root weight (FRW), and dry root weight (DRW). In addition, several phenological observations of the grapevines were recorded. The results showed that PVA applications increased aggregate stability by 32% compared with the control treatment. Correspondingly, air permeability, water permeability, and porosity also increased significantly. In particular, the improvement in soil permeability and aeration capacity resulting from PVA application promoted the development of optimal rhizosphere conditions, leading to substantial improvements in plant morphological characteristics. Under the D3 PVA treatment, the average root length increased by approximately 75% in the Karaerik cultivar and 125% in the Narince cultivar. Similarly, fresh root weight increased by 77% and 223% in the Karaerik and Narince cultivars, respectively, under the D3 treatment. Comparable statistically significant improvements were observed for all other plant growth parameters. Overall, the findings demonstrated that the highest PVA application rate (0.30%) produced the most pronounced effects, with the greatest improvements observed in all measured plant growth parameters of the Narince grapevine cultivar.

Özet

Bu çalışmada, sentetik polimer olan, toprak düzenleyici etkiye sahip polivinil alkolün (PVA) farklı dozlardaki uygulamalarının, toprak fiziksel özellikleri ve Karaerik ve Narince asma çeşitlerinin vejetatif gelişim parametreleri üzerindeki etkilerinin belirlenmesi amaçlanmıştır. 3 referans yetiştirme ortamı (Kontrol (D0), kum, kum + toprak) ve ağırlık esasına göre 3 ayrı dozda PVA (D1: %0,05 – D2: %0,1 – D3: %0,3), uygulaması olmak üzere toplam 6 grup, 2 asma çeşidi ve 5 tekrarlı olmak üzere sera koşullarında toplam 60 saksıda deneme kurulmuştur. Denemenin sonunda toprakların; agregat stabilitesi (AS), hava geçirgenliği (AP), su geçirgenliği (WP), hacim ağırlığı (BD) ve porozite değerleri belirlenmiştir. Araştırmada bitkilerin morfolojik özelliklerinden ise; kök uzunluğu (RL), kök sayısı (NR), sürgün uzunluğu (SL), yaprak sayısı (NL), yaş kök ağırlığı (FRW) ve kuru kök ağırlığı (DRW) değerleri belirlenmiştir. Ayrıca asmaların bazı fenolojik tespitleri yapılmıştır. Elde edilen sonuçlar PVA uygulamalarına bağlı olarak kontrol grubuna göre AS değerini %32 oranında arttırdığı ve bununla ilişkili olarak AP, WP ve Porozite değerlerinin de istatistiksel olarak çok önemli oranda yükseldiği belirlenmiştir. PVA uygulamalarına bağlı olarak toprakların geçirgenlik değerinin ve havalanma kapasitesinin yükselmesi optimum rizosfer koşullarının oluşmasını sağlayarak bitkilerin morfolojik parametrelerinde önemli bir artış sağlamıştır. Özellikle uygulamalara bağlı olarak D3 PVA uygulamasında ortalama kök uzunluğu Karaerik çeşidinde %75, Narince çeşidinde %125 civarında artmıştır. Buna paralel olarak yaş kök ağırlıkları da yine D3 PVA uygulama dozunda sırasıyla %77 ve %223 oranlarında yükselmiştir. Bu artış diğer bütün bitki parametrelerinde de istatistiksel olarak çok önemli seviyede gerçekleşmiştir. Elde edilen bulgular en etkili sonuçların %0,30’luk en yüksek PVA uygulama dozunda ve bütün bitki gelişim parametrelerinde Narince asma çeşidinde olduğunu ortaya koymuştur.

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Cite This Article

Hacımüftüoğlu, F. (2026). Enhancing Soil Physical Properties and Grapevine Performance Through Polyvinyl Alcohol (PVA) Application Rates. Research in Agricultural Sciences, Volume: 57 Issue: 3. https://doi.org/10.17097/agricultureatauni.2008231

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