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Evaluation of Biodegradable Mulch Films on Melon Production and Quality under Mediterranean Field Conditions
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Researchers compared biodegradable mulch films (Mater-Bi and Ecovio) to conventional polyethylene mulch for melon production in Mediterranean conditions, finding that both biodegradable options increased yields by about 23% while offering distinct advantages in temperature regulation and fruit quality.
This study examines the effects of biodegradable mulches on melon production and quality in a Mediterranean environment, specifically focusing on Mater-Bi and Ecovio in comparison to conventional (low-density polyethylene) LDPE mulch. Biodegradable mulches influenced soil temperature, with Mater-Bi maintaining higher maximum soil temperatures conducive to crop growth, while Ecovio exhibited lower maximum temperatures beneficial in hot summer months. Results revealed a significant increase in melon yield with biodegradable mulches, with both Ecovio and Mater-Bi demonstrating higher yields at approximately 20.41 t ha−1, showing an improvement of 23.4% compared to LDPE. Although mulching did not impact the number, weight, or distal diameter of marketable fruits, it affected the apical diameter, with Ecovio-treated plants displaying an 8.4% larger apical diameter compared to the average of all treatments. Furthermore, mulching influenced fruit quality parameters such as consistency, pulp thickness, sugar content, and anti-oxidant activity, with Mater-Bi exhibiting the best performance. Since both Mater-Bi and Ecovio possess strengths and weaknesses, selecting the optimal mulch depends on the farmer’s specific objectives and local growing conditions. Overall, the study suggests that biodegradable mulches, particularly Ecovio, offer a sustainable alternative to traditional plastic films, contributing to environmental preservation and enhancing melon yield and quality in Mediterranean agricultural settings.
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Alternative Mulches for Sustainable Greenhouse Tomato Production
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Researchers evaluated three mulch types — polyethylene, straw, and biodegradable biopolymers — compared to non-mulched controls in a Mediterranean greenhouse over two years of organic tomato production, measuring soil moisture, temperature, physicochemical properties, crop yield, and weed control. They found that biodegradable biopolymer mulches offered comparable agronomic performance to polyethylene while avoiding plastic residue accumulation in soil.
Biodegradable Mulching Film vs. Traditional Polyethylene: Effects on Yield and Quality of San Marzano Tomato Fruits
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A two-year field trial comparing biodegradable mulching film to conventional low-density polyethylene (LDPE) for San Marzano tomato production found that both mulch types produced equivalent yield increases (25%) and improvements in fruit quality compared to bare soil. Biodegradable film began degrading in the field between 71 and 104 days after transplanting, making it a viable alternative that avoids end-of-life plastic waste. Replacing conventional plastic mulch with biodegradable alternatives could significantly reduce the agricultural microplastic burden entering soils globally.
Effects of Different Colors of Biodegradable Mulch Film on Vegetative Growth, Yield, Fruit Quality, and Soil Properties in Grafted Watermelon
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Silver-black biodegradable mulch films maintained soil moisture 5-8% higher than conventional polyethylene while achieving comparable watermelon yield and higher soluble solids content. Replacing persistent polyethylene mulch films with fully biodegradable alternatives directly addresses the primary source of agricultural microplastic contamination in farmland soils.
Effect of Biodegradable Mulch and Different Synthetic Mulches on Growth and Yield of Field-Grown Small-Fruited Tomato (Lycopersicon esculentum Mill.)
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This field trial compared biodegradable and synthetic plastic mulches for tomato cultivation and found that all mulching treatments increased marketable yield by an average of 19.6%. Notably, fruits grown on biodegradable foil had the highest potassium, lycopene, and polyphenol content, suggesting biodegradable mulches can match synthetic plastic performance while reducing long-term plastic contamination of agricultural soil.
Biodegradable Mulch for Vegetable Production. A Review
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This review examined biodegradable plastic mulches as alternatives to conventional polyethylene mulch films in vegetable production, summarizing yield benefits and degradation performance. Replacing conventional plastic mulch with truly biodegradable alternatives could reduce the large amounts of agricultural microplastics shed by mulch film fragmentation.
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