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Shading effect of photovoltaic panels on horticulture crops production: a mini review
Reviews in Environmental Science and Bio/Technology ( IF 14.4 ) Pub Date : 2021-03-26 , DOI: 10.1007/s11157-021-09572-2
Sami Touil , Amina Richa , Meriem Fizir , Brendon Bingwa

Agrivoltaics (APV) combine crops with solar photovoltaics (PV) on the same land area to provide sustainability benefits across land, energy and water systems (Parkinson and Hunt in Environ Sci Technol Lett 7:525–531, 2020). This innovative system is among the most developing techniques in agriculture that attract significant researches attention in the past ten years. The objective of this mini review is to present and summarize the recent studies on the effect of PV shading on crop cultivation (open field system and greenhouses integrated PV panels), with the aim to identify a correlation between the growth indicators, crop quality (antioxidant activity, sugar content, etc.) and the characteristics of PV installation (shading degree). The alteration of microclimate parameters such as solar radiation, air temperature, humidity and soil temperature under the PV panels was highlighted. Moreover, impact of APV shading on irrigation and water saving and economic feasibility of APV was further discussed. Our main findings are that (1) the reduction in solar radiation is the main changed factor underneath the APV canopy where a reduction of more than 40% the solar radiation due to the presence of the PV panels was observed. (2) Agrivoltaic systems (PV greenhouse or ground) with cover ratio equal or lower than 25% did not show significant effects on plant growth and quality. (3) Inhibitory effects on crops growth was observed with coverage ratio of 50 to 100% except for strawberry and spinach. (4) Water use efficiency for some crops species in dry land climate was greater in the APV system. Given the findings, the research seems promising enough to support APV practices that limit PV panel shading to be lower than 25% to avoid affecting crop growth, assumed to be the priority of an agricultural operation.



中文翻译:

光伏电池板对园艺作物产量的遮蔽作用:迷你回顾

Agrivoltaics(APV)在同一土地面积上将农作物与太阳能光伏(PV)结合在一起,从而在土地,能源和水系统之间提供可持续发展效益(Parkinson和Hunt,Environ Sci Technol Lett 7:525-531,2020)。这种创新的系统是农业中最先进的技术之一,在过去的十年中引起了重要的研究关注。这次迷你回顾的目的是介绍和总结有关光伏遮光对作物种植(开放田间系统和温室集成光伏面板)的影响的最新研究,旨在确定生长指标与作物品质(抗氧化剂)之间的相关性。活性,含糖量等)和光伏装置的特性(遮光度)。小气候参数的变化,例如太阳辐射,气温,突出显示了光伏面板下的湿度和土壤温度。此外,还讨论了APV遮阳对灌溉和节水的影响以及APV的经济可行性。我们的主要发现是:(1)太阳辐射的减少是APV冠层下的主要变化因素,其中观察到由于存在PV面板而导致的太阳辐射减少了40%以上。(2)覆盖率等于或低于25%的农用光伏系统(光伏温室或地面)对植物的生长和质量没有显着影响。(3)除草莓和菠菜外,均以50〜100%的覆盖率观察到对农作物生长的抑制作用。(4)在APV系统中,干旱土地气候下某些农作物的水分利用效率更高。根据调查结果,

更新日期:2021-03-27
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