Effects of Various Biodegradable Mulching Films on Growth,  Yield,  and Soil Environment in Soybean Cultivation

Ye-Guon Kim; Yeon-Hu Woo; Hyun-Hwa Park; Do-Jin Lee; Yong-In Kuk

doi:10.7740/kjcs.2024.69.1.034

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2024 Vol.69, Issue 1 Preview Page Next Page

Effects of Various Biodegradable Mulching Films on Growth, Yield, and Soil Environment in Soybean Cultivation 콩 재배지에서 다양한 생분해성 멀칭필름 종류별 작물 생육, 수량 및 토양환경에 미치는 영향

1 March 2024. pp. 34-48

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Abstract

The objective of this study was to evaluate the safety of biodegradable mulching films in soybean (Glycine max) cultivation by measuring their effects on crop growth and yield, film decomposition and soil chemical and physical properties. In 2022 and 2023, plant height, branch number, chlorophyll contents, yield components, and yield of soybean did not vary significantly in areas using PE films and biodegradable mulching films. The light transmission rate of the biodegradable mulching films ranged from 6.4 to 15.8% when measured 112 days after soybean transplanting, and was higher, on average, in 2023 than in 2022. In both years, degradation of the biodegradable mulching films began 20 days after soybean transplantation and increased over time. In addition, remains of biodegradable mulching films were present in fields at soybean harvest and remained until 50 days after harvest. Decomposition rates of the biodegradable mulching films at 112 days after soybean transplanting ranged from 9.8 to 26.7% in 2022 and 13 to 36% in 2023. Although soil pH and EC varied based on the year and timing of measurements, there was no significant difference between areas that used biodegradable mulching films and PE films. Soil organic matter, nitrate and exchangeable cation contents such as Ca, Mg, and K were not significantly different in areas that used both PE films and biodegradable films. However, significantly higher levels of available phosphoric acid content were measured in areas that used biodegradable mulch films E, S, and T. Regardless of which films were used, there were no significant differences in the soil’s physical properties. In 2022 and 2023, there was no difference between areas that used biodegradable mulch films and PE films. However, soil temperature in mulched areas was 2°C higher and soil moisture was 5-15% higher than in non-mulched areas. Barley growth was not affected by being planted in soil that had been used for soybean cultivation with biodegradable films. Therefore, the biodegradable mulch films used in this study can be used without negatively affecting the growth, yield, and soil environment of soybeans.

Keywords

biodegradable mulching film

chemical property

physical property

soil moisture

soil temperature

soybean

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Information

Publisher :The Korean Society of Crop Science
Publisher(Ko) :한국작물학회
Journal Title :The Korean Journal of Crop Science
Journal Title(Ko) :한국작물학회지
Volume : 69
No :1
Pages :34-48
Received Date : 2024-02-07
Revised Date : 2024-02-14
Accepted Date : 2024-02-15
DOI :https://doi.org/10.7740/kjcs.2024.69.1.034

The Korean Journal of Crop Science ISSN:0252-9777(Print) 2287-8432(Online) 한국작물학회지

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