Lecture05 - Plant Mineral Nutrition studies the...

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Plant Mineral Nutrition studies the relationship between plants and all chemical elements other than C, H, and O in the environment. Mineral nutrients are so called because most have been derived from the weathering of minerals of the Earth's crust. Some of the mineral nutrients are essential for plant growth; others are toxic, and some may play no role in metabolism. Six basic facts about minerals (1) plants do not need any of the solid materials in the soil— they cannot even take them up; (2) plants do not need soil microorganisms ; (3) plant roots must have a supply of oxygen ; (4) all plants require at least 17 + 2 mineral nutrients (essential elements); (5) all of the essential mineral nutrients are supplied to plants as simple ions of inorganic salts in solution (6) all essential nutrients must be supplied in adequate but nontoxic quantities.
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Fe +2 , Fe +3 Zn +2 Cu + , Cu +2 Ni +2 HMoO 4 - , MoO 4 -2
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Soil pH is an important chemical property because it affects the availability of nutrients to plants and the activity of microorganisms in the soil.
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3. Foliar Application
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Lecture05 - Plant Mineral Nutrition studies the...

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