Plant mineral requirements. Why do we need these?

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Presentation transcript:

Plant mineral requirements

Why do we need these?

What minerals do plants need? Plants need mineral ions for healthy growth. Some of the most important minerals needed by plants are: How do plants obtain these minerals? The mineral ions are found in salts, dissolved in water. Plants obtain minerals when they absorb water from the soil. What type of salt are each of these elements found in? nitrogen potassium phosphorus magnesium nitrates phosphates potassium ions magnesium ions

Plants need mineral ions to control chemical activities, grow, and produce materials. The most important minerals are magnesium ions and nitrates.

What are minerals used for? Copy and complete the following table Mineral ionElementHow mineral is used in plants Deficiency symptoms nitrate phosphate potassium magnesium

Mineral ionElementHow mineral is used in plants Deficiency symptoms nitratenitrogen (N) making amino acids and proteins needed for cell growth stunted growth of plant older leaves turn yellow phosphatephosphorus (P) making DNA and cell membranes needed for respiration and growth poor root growth purple younger leaves potassiumpotassium (K) help the enzymes needed for respiration and photosynthesis leaves turn yellow with dead spots poor flower and fruit growth magnesiummagnesium (Mg) needed to make chlorophyll leaves turn yellow

ence/add_gateway_pre_2011/greenworld/pla ntminerals/quiz/q / Quick test