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

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

Content Provider	MDPI
Author	Hossain, Elias Zhang, Zhe Dong, Wenyi Wang, Shangwen Liu, Meixia Liu, Enke Mei, Xurong
Copyright Year	2022
Description	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$ ^{15}$N 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.
Starting Page	1710
e-ISSN	22237747
DOI	10.3390/plants11131710
Journal	Plants
Issue Number	13
Volume Number	11
Language	English
Publisher	MDPI
Publisher Date	2022-06-28
Access Restriction	Open
Subject Keyword	Plants Agricultural Engineering Plastic Film Mulching Maize Yield Water Use Efficiency Nitrogen Use Efficiency Soil Nitrogen Pool Dryland Farming
Content Type	Text
Resource Type	Article

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