Three factors can limit the speed of photosynthesis – light intensity, carbon dioxide concentration and temperature. Without enough light, a plant cannot photosynthesise very quickly, even if there is plenty of water and carbon dioxide. Increasing the light intensity will boost the speed of photosynthesis.
Can anything grow in a greenhouse?
You can grow virtually anything in a greenhouse , but that protected space is prime real estate — with careful variety choices, you can maximize profits and produce crops that don’t do well outside for you. Cucumbers are the second most popular greenhouse crop, followed by lettuce and salad mix .