Upload NowThis article throws light upon the top five theories of ion uptake by plants. The theories are: 1. Lundegardh Theory 2. Contact Exchange Theory 3. Carbonic Acid Exchange Theory 4. Bennet-Clark’s Protein Lecithin Theory 5. Donnans’ Equilibrium Theory. 1. Lundegardh Theory (Electro-Chemical Theory) of Ion Uptake: Lundegardh (1945) proposed that an electrical potential gradient existing […]
Top 5 Theories of Ion Uptake by Plants
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Chelates: Meaning, Stability and Implications
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After reading this article you will learn about:- 1. Meaning of Chelates 2. Reaction of Organic Matter and Metal Ions 3. Stability of Chelates 4. Practical Implications in Chelation Reactions in Soils. Meaning of Chelates: The term “Chelate” is derived from a Greek word which means as a type of chemical compound in which a […]
Growth of Plants: 6 Nutrient Elements
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This article throws light upon the six essential nutrient elements required for growth of plants. The elements are: 1. Nitrogen 2. Phosphorus 3. Potassium 4. Calcium 5. Magnesium 6. Sulphur. Nutrient Element # 1. Nitrogen: Nitrogen is one of the most important primary nutrient non-metal elements which require large quantity for the plant growth and […]