Botany or Plant Biology
Science Experiments

How does saltwater effect the growth of plants?



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salt water will result firstly in the stunting of the plants and possibly some direct burn damage. prolonged use of salt water will change the pH of the soil around the plant preventing osmosis and physically causing the cells of the root hairs to become damaged - further damaging the plant. changes in pH of the soil, even small ones can result in nutrients being "locked up" in the soil as their physical and chemical properties are altered - this results in deficiencies

There is a group of plants called halophytes (such as species found along coastal areas) that can metabolise salt (through various mechanisms), and can tolerate higher salt concentrations than "normal" plants - eg. mangroves, coconuts