Selüloz ve PLA Biyopolimer Nonwoven Malçların Toprak Sağlığına Etkisi

Year 2024, EARLY VIEW, 1 - 1

Paula Marasović Dragana Kopıtar Ružica Brunšek Ivana Schwarz

https://doi.org/10.2339/politeknik.1307668

Abstract

Rejenere viskoz ve PLA liflerinden ve ayrıca geleneksel tarımsal folyodan üretilen dokunmamış malçlar, rastgele düzenlenmiş dört tekrarlama parselinden oluşan bloklar halinde toprağa yerleştirildi. 50 gün sonra, her bir malç altında ve kontrol alanında toprak numuneleri toplandı ve burada bakteri ve mantar popülasyonunun yanı sıra toprağın fizyo-kimyasal özellikleri ölçüldü. Agro folyo ve PLA liflerinden yapılan malçların altındaki topraktaki bakteri popülasyonundaki ciddi azalma, yüksek toprak sıcaklığının yaygınlığından kaynaklanmaktadır. Viskoz elyaftan yapılan malçların altındaki topraktaki bakteri popülasyonu, sırasıyla toprak sıcaklığı ve nem olmak üzere uygun anaerobik koşullar nedeniyle önemli ölçüde artmıştır. Tüm malçların altında, kontrol alanına kıyasla daha yüksek bir mantar popülasyonu gözlendi. Viskon liflerinden üretilen dokunmamış malç altındaki mantar popülasyonu, kontrol alanına kıyasla %161 daha yüksekti. Dokumasız malçların altındaki toprakların mevcut besin içerikleri, kontrol alanına kıyasla daha yüksekti. Kontrol alanı, geleneksel tarımsal folyo ile kaplanan alana göre toprağın daha yüksek kullanılabilir besin içeriği gösterdi.
Çalışmanın sonuçları, mikrobiyal popülasyonu başarılı bir şekilde artırması ve toprağın fiziko-kimyasal özelliklerini iyileştirmesi nedeniyle kısa süreli malçlama uygulamaları için en uygununun viskon liflerinden yapılan dokunmamış malç kullanımının olduğunu ortaya koymaktadır.

Keywords

Viskon, PLA, Nonwoven malçlar, Bakteri ve mantar popülasyonu, Toprağın fiziko-kimyasal özellikleri

Project Number

KK.01.2.1.02.0270.

The Impact of Cellulose and PLA Biopolymer Nonwoven Mulches on the Soil Health

Abstract

The nonwoven mulches produced from regenerated viscose and PLA fibres as well as conventional agro foil were placed on the soil by randomly arranged blocks of four replication plots. After 50 days, the soil samples beneath each mulch and on the control field were collected, where the bacteria and fungi population as well as the physio-chemical properties of the soil were measured. The severe reduction in bacterial population in soil under the agro foil and mulches made of PLA fibres occurs due to the prevalence of high soil temperature. The bacterial population of soil beneath the mulches made of viscose fibre significantly increased due to favourable anaerobic conditions, respectively soil temperature and moisture. Under all mulches, compared to the control field, a higher fungal population was observed. The fungal population under the nonwoven mulch produced by viscose fibres was 161% higher in comparison to the control field. The available nutrient contents of soils under the nonwoven mulches were higher compared to the control field. The control field showed higher available nutrient contents of soil than the field covered by conventional agro foil.
The results of the study reveal that usage of nonwoven mulches made of viscose fibres is most appropriate for short-term mulching application since successfully increases microbial population and improves the physio-chemical properties of soil.

Keywords

Viscose, PLA, Nonwoven mulches, Bacterial and fungi population, Physio-chemical properties of soil

Supporting Institution

European Union from the European Structural and Investment Funds, the Operational programme Competitiveness and Cohesion, the European Regional Development Fund

Project Number

KK.01.2.1.02.0270.

Thanks

This research has been supported by the European Union from the European Structural and Investment Funds, the Operational programme Competitiveness and Cohesion, the European Regional Development Fund under the project KK.01.2.1.02.0270.

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