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Article

Plastic Film Mulching Improved Maize Yield, Water Use Efficiency, and N Use Efficiency under Dryland Farming System in Northeast China

by
Md Elias Hossain
1,2,3,
Zhe Zhang
4,
Wenyi Dong
1,2,
Shangwen Wang
1,2,
Meixia Liu
1,2,
Enke Liu
1,2,5 and
Xurong Mei
1,2,6,*
1
Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, China
2
Key Laboratory of Dryland Agriculture, Ministry of Agriculture of the People’s Republic of China (MOA), Beijing 100081, China
3
Department of Agricultural Botany, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Dhaka 1207, Bangladesh
4
Liaoning Academy of Agricultural Sciences, Shenyang 110161, China
5
State Key Laboratory of Hulless Barley and Yak Germplasm Resources and Genetic Improvement, Lhasa 850002, China
6
Key Laboratory of Agricultural Environment, Ministry of Agriculture and Rural Affairs of the People’s Republic of China (MARA), Beijing 100081, China
*
Author to whom correspondence should be addressed.
Plants 2022, 11(13), 1710; https://doi.org/10.3390/plants11131710
Submission received: 31 May 2022 / Revised: 24 June 2022 / Accepted: 24 June 2022 / Published: 28 June 2022
(This article belongs to the Special Issue Effects of Plastics in Soil-Plant System)
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Abstract

This 2-year field study analyzed plastic film mulching (PFM) effects on nitrogen use efficiency (NUE), and soil N pools under rainfed dryland conditions. Compared to no-mulching (NM, control), maize yields under PFM were increased by 36.3% (2515.7 kg ha−1) and 23.9% (1656.1 kg ha−1) in the 2020 and 2021 growing seasons, respectively. The PFM improved (p < 0.01) the water use efficiency (WUE) of maize by 39.6% and 33.8% in the 2020 and 2021 growing seasons, respectively. The 2-year average NUE of maize under the PFM was 40.1, which was 30.1% greater than the NM. The average soil total N, particulate organic N, and microbial biomass N contents under the PFM soil profile were increased by 22.3%, 51.9%, and 35%, respectively, over the two growing seasons. The residual 15N content (%TN) in soil total N pool was significantly higher (p < 0.05) under the PFM treatment. Our results suggest that PFM could increase maize productivity and sustainability of rainfed dryland faming systems by improving WUE, NUE, and soil N pools.
Keywords: plastic film mulching; maize yield; water use efficiency; nitrogen use efficiency; soil nitrogen pool; dryland farming plastic film mulching; maize yield; water use efficiency; nitrogen use efficiency; soil nitrogen pool; dryland farming

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MDPI and ACS Style

Hossain, M.E.; Zhang, Z.; Dong, W.; Wang, S.; Liu, M.; Liu, E.; Mei, X. Plastic Film Mulching Improved Maize Yield, Water Use Efficiency, and N Use Efficiency under Dryland Farming System in Northeast China. Plants 2022, 11, 1710. https://doi.org/10.3390/plants11131710

AMA Style

Hossain ME, Zhang Z, Dong W, Wang S, Liu M, Liu E, Mei X. Plastic Film Mulching Improved Maize Yield, Water Use Efficiency, and N Use Efficiency under Dryland Farming System in Northeast China. Plants. 2022; 11(13):1710. https://doi.org/10.3390/plants11131710

Chicago/Turabian Style

Hossain, Md Elias, Zhe Zhang, Wenyi Dong, Shangwen Wang, Meixia Liu, Enke Liu, and Xurong Mei. 2022. "Plastic Film Mulching Improved Maize Yield, Water Use Efficiency, and N Use Efficiency under Dryland Farming System in Northeast China" Plants 11, no. 13: 1710. https://doi.org/10.3390/plants11131710

APA Style

Hossain, M. E., Zhang, Z., Dong, W., Wang, S., Liu, M., Liu, E., & Mei, X. (2022). Plastic Film Mulching Improved Maize Yield, Water Use Efficiency, and N Use Efficiency under Dryland Farming System in Northeast China. Plants, 11(13), 1710. https://doi.org/10.3390/plants11131710

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