...
“Verdeling van direct licht en diffuus licht” door Gert-Jan Swinkels/Wageningen University & Research
“Sheets of Factory manufacturing tempered clear float glass panels cut to size.” door Skrypnykov Dmytro/Shutterstock.com
“Gravenzande/The Netherlands - May 10th, 2019: Workman spraying white chalk on the greenhouse roofs as protection against excessive sunlight on the crop inside” door gertvansanten/Shutterstock.com
“The steel structure” door zhengzaishuru/Shutterstock.com
“System of automatic irrigation and ventilation under the roof of modern hydroponic greenhouse, industrial agriculture” door DedMityay/Shutterstock.com
“Covering of a big glass greenhouse in the Netherlands” door T.W. van Urk/Shutterstock.com
“Flowering chrysanthemums and santinis in The Netherlands” door Julia700702/Shutterstock.com
“Visible and invisible light” door Xryaa/Wikimedia Commons
“Photosynthesis overview” door ELaurent/Wikimedia Commons
“Thylakoid membrane 3” door Somepics/Wikimedia Commons