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Illinois State Florists' Association


Water is probably the most important environmental factor required for plant growth and survival. Plants contain and use more water than anything else (Figure 1). Probably every plant growth function is directly or indirectly influenced by water, and a lack of water — a water deficit — always results in reduced growth which may occur without any visible signs (such as wilting) that water is limiting. A water deficit occurs whenever a plant uses or requires more water than it absorbs. Essentially all of the large amount of water required by plants is absorbed from the soil and most of it is lost through transpiration into the atmosphere. So the water balance within the plant is affected primarily by atmospheric and soil environmental factors.

Source: • Illinois State Florists' Association Bulletin # 371

Keywords: Plant growth Environmental factor Transpiration soil moisture water content

Libraries: Floriculture

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