| 摘 要： |
Agri-PV simultaneously enables land use for energy and food production, providing a more efficient use of land resources. However, installing photovoltaic systems can lead to a significant reduction in crop yield and quality, which represents a significant challenge in the context of the current development of an agrivoltaics systems. This study tested the feasibility of using semitransparent photovoltaic panels with 40 % solar transmittance to improve soybean yield and quality in a field environment. We provide a comprehensive evaluation of the performance of traditional photovoltaic panels (monocrystalline silicon), 40 % semi-transparent photovoltaic panels (3.2 mm CDTe + 0.4mmEVA), and no photovoltaic panel treatment in soybean cultivation, including environmental factors, photosynthesis rate, phenotype and dry matter accumulation, yield and quality of the grain. (1) A semitransparent photovoltaic panel could maintain soybean yield without reduction and maintain crude fat content of 97.20 %, soluble sugar content of 94.93 % and starch content of 98.73 % compared to that without photovoltaic panels; (2) The plant height and stem thickness phenotypes of the semitransparent photovoltaic modules were not significantly different from those without photovoltaic modules, ensuring the feasibility of mechanical harvesting of soybeans in the context of agrivoltaics. (3) The optimization model demonstrated that the combined advantages of the semitransparent photovoltaic panels were the most significant among the traditional photovoltaic panels, semitransparent photovoltaic panels, and no photovoltaic panels treatments. This provides evidence of the potential of semitransparent photovoltaic crop production and agricultural development. |
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