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 metallic ion is firmly combined [...]
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 nutrition. It is the most [...]
After reading this article you will learn about nitrogen in relation to physiology, growth and response of crops. Nitrogen in Relation to Physiology of Plants Nitrate (NO3—N) and ammonium (NH4—N) are two major forms of inorganic nitrogen taken up by the plants. Most of the ammonium has to be incorporated into organic compounds in the plant roots, whereas nitrate is [...]