Simulation and Evaluation of Spring Maize Growth Under Drip Irrigation with Fully Biodegradable Film Mulching Based on the DSSAT Model
文献类型： 外文期刊
作者： Jia, Yanhui 1 ; Shi, Haibin 2 ; Miao, Qingfeng 2 ; Sun, Xiulu 4 ; Feng, Yayang 4 ;
作者机构： 1.Weifang Univ Sci & Technol, Shandong Facil Hort Bioengn Res Ctr, Weifang 262700, Peoples R China
2.Inner Mongolia Agr Univ, Coll Water Conservancy & Civil Engn, Hohhot 010018, Peoples R China
3.Autonomous Reg Collaborat Innovat Ctr Integrated M, Hohhot 010018, Peoples R China
4.Chinese Acad Agr Sci CAAS, Farmland Irrigat Res Inst, Xinxiang 453002, Peoples R China
关键词： fully biodegradable mulch film; subsurface drip irrigation; DSSAT model; yield; water use efficiency
期刊名称：PLANTS-BASEL （ 影响因子：4.1； 五年影响因子：4.5 ）
ISSN： 2223-7747
年卷期： 2024 年 13 卷 21 期
页码：
收录情况： SCI
摘要： Fully biodegradable mulch film enhances temperature and moisture retention during the early stages of maize growth while naturally degrading in the later stages, providing an environmentally friendly alternative to conventional plastic mulch films. However, there is no consensus on its impact on maize growth and yield. The present study utilized field test data from spring maize covered with fully biodegradable mulch film in the Xiliaohe Plain, aiming to improve the Decision Support System for Agrotechnology Transfer (DSSAT) model while focusing on soil temperature, irrigation, rainfall, and evapotranspiration. The parameters of the DSSAT model were calibrated and validated using field test data from 2016 to 2018. The improved DSSAT model accurately simulated the maize growth process under various induction periods of fully biodegradable mulch film. The simulation accuracy of this model was as follows: MRE < 10%, nRMSE < 12%, and R2 >= 0.80. Moreover, the yield of spring corn covered with fully biodegradable mulch film was predicted using meteorological data from 2019 to 2023. This study suggests that regions such as the Xiliaohe Plain, which share climatic conditions, should opt for fully biodegradable mulch film with an induction period of approximately 80 days to ensure high yields across different hydrological years.
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