Increasing the comprehensive economic benefits of farmland with Even-lighting Agrivoltaic Systems.

Agrivoltaic combines crop planting and electricity generation on the same land, it is considered as an opportunity to resolve the competition for land use between food and energy production. In addition to growing crops, farmers can gain electricity with the installation of agrivoltaic systems on th...

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Autores principales:	Jianan Zheng, Shoudong Meng, Xinyu Zhang, Honglong Zhao, Xiaolong Ning, Fangcai Chen, Altyeb Ali Abaker Omer, Jan Ingenhoff, Wen Liu
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/918a98cb27a846f296edc77f8d546986
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spelling	oai:doaj.org-article:918a98cb27a846f296edc77f8d5469862021-12-02T20:09:13ZIncreasing the comprehensive economic benefits of farmland with Even-lighting Agrivoltaic Systems.1932-620310.1371/journal.pone.0254482https://doaj.org/article/918a98cb27a846f296edc77f8d5469862021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0254482https://doaj.org/toc/1932-6203Agrivoltaic combines crop planting and electricity generation on the same land, it is considered as an opportunity to resolve the competition for land use between food and energy production. In addition to growing crops, farmers can gain electricity with the installation of agrivoltaic systems on their farmland. They can use this clean energy for agricultural production or sell it for extra income. The Chinese government considers it an important strategy for "Targeted Poverty Alleviation". However, current methods of agrivoltaic provide uneven and low irradiance for crops, which usually results in reduced yield and low quality. In this study, an improved agrivoltaic system with a grooved glass plate has been designed, manufactured, and investigated, called Even-lighting Agrivoltaic System (EAS). Two experiments were conducted to test the effectiveness of the improvement. We measured the crops' light environment, the crop growth process, the crop yield and quality, the electricity generation, and calculated the Land Equivalent Ratio (LER) as well as the comprehensive economic benefits on the farmland per hectare. Under the EAS, crops grew fast and the yield was similar or better than that under the natural state. By adding supplementary LED lamps into the EAS, the soluble sugar content of lettuce increased by 72.14% and the nitrate content of lettuce decreased by 21.51%. The average LER of the EAS for common vegetables was 1.64 as demonstrated in this work. Comprehensive economic benefits outperform the installation and maintenance costs, thus, the EAS can increase farmers' income by an average of 5.14 times. The EAS provides new ideas and directions for the future development of agrivoltaic.Jianan ZhengShoudong MengXinyu ZhangHonglong ZhaoXiaolong NingFangcai ChenAltyeb Ali Abaker OmerJan IngenhoffWen LiuPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 7, p e0254482 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Jianan Zheng Shoudong Meng Xinyu Zhang Honglong Zhao Xiaolong Ning Fangcai Chen Altyeb Ali Abaker Omer Jan Ingenhoff Wen Liu Increasing the comprehensive economic benefits of farmland with Even-lighting Agrivoltaic Systems.
description	Agrivoltaic combines crop planting and electricity generation on the same land, it is considered as an opportunity to resolve the competition for land use between food and energy production. In addition to growing crops, farmers can gain electricity with the installation of agrivoltaic systems on their farmland. They can use this clean energy for agricultural production or sell it for extra income. The Chinese government considers it an important strategy for "Targeted Poverty Alleviation". However, current methods of agrivoltaic provide uneven and low irradiance for crops, which usually results in reduced yield and low quality. In this study, an improved agrivoltaic system with a grooved glass plate has been designed, manufactured, and investigated, called Even-lighting Agrivoltaic System (EAS). Two experiments were conducted to test the effectiveness of the improvement. We measured the crops' light environment, the crop growth process, the crop yield and quality, the electricity generation, and calculated the Land Equivalent Ratio (LER) as well as the comprehensive economic benefits on the farmland per hectare. Under the EAS, crops grew fast and the yield was similar or better than that under the natural state. By adding supplementary LED lamps into the EAS, the soluble sugar content of lettuce increased by 72.14% and the nitrate content of lettuce decreased by 21.51%. The average LER of the EAS for common vegetables was 1.64 as demonstrated in this work. Comprehensive economic benefits outperform the installation and maintenance costs, thus, the EAS can increase farmers' income by an average of 5.14 times. The EAS provides new ideas and directions for the future development of agrivoltaic.
format	article
author	Jianan Zheng Shoudong Meng Xinyu Zhang Honglong Zhao Xiaolong Ning Fangcai Chen Altyeb Ali Abaker Omer Jan Ingenhoff Wen Liu
author_facet	Jianan Zheng Shoudong Meng Xinyu Zhang Honglong Zhao Xiaolong Ning Fangcai Chen Altyeb Ali Abaker Omer Jan Ingenhoff Wen Liu
author_sort	Jianan Zheng
title	Increasing the comprehensive economic benefits of farmland with Even-lighting Agrivoltaic Systems.
title_short	Increasing the comprehensive economic benefits of farmland with Even-lighting Agrivoltaic Systems.
title_full	Increasing the comprehensive economic benefits of farmland with Even-lighting Agrivoltaic Systems.
title_fullStr	Increasing the comprehensive economic benefits of farmland with Even-lighting Agrivoltaic Systems.
title_full_unstemmed	Increasing the comprehensive economic benefits of farmland with Even-lighting Agrivoltaic Systems.
title_sort	increasing the comprehensive economic benefits of farmland with even-lighting agrivoltaic systems.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/918a98cb27a846f296edc77f8d546986
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Increasing the comprehensive economic benefits of farmland with Even-lighting Agrivoltaic Systems.

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