In modern agricultural production, finding efficient and environmentally friendly fertilizers and methods to promote plant growth has always been an important direction in agricultural research. Amino acid chelates, as a new type of fertilizer, play a significant role in plant growth. The research background stems from some problems encountered in the use of traditional fertilizers, such as the easy loss of nutrient elements and low utilization rate. The emergence of amino acid chelates provides new ideas and methods to solve these problems.
The importance of amino acid chelates in plant growth is increasingly evident. Firstly, it can increase the absorption and utilization rate of nutrients by plants. In traditional inorganic fertilizers, nutrient elements exist in the form of cations and anions, which are prone to dissociation and form insoluble substances, making it difficult for plants to absorb. However, amino acid chelates combine trace elements with amino acids, converting inorganic elements into organic ones, significantly improving the stability and solubility of nutrient elements, which is beneficial for plant absorption and utilization. Secondly, amino acid chelates can improve soil structure. They can regulate the pH of the soil, increase the organic matter content, enhance the soil's water and nutrient retention capacity, and create a favorable soil environment for plant growth. Moreover, amino acid chelates have various effects such as promoting plant growth, enhancing plant disease resistance, increasing crop yield and quality.
In conclusion, amino acid chelates have an important position and role in plant growth. Their research and application are of great significance for improving agricultural production efficiency and achieving sustainable agricultural development.

(1) Promoting Photosynthesis
Amino acid chelates can increase the content of chlorophyll in plants, enhance enzyme activity, and make photosynthesis more vigorous. This is mainly because certain amino acids, such as glycine, can increase the content of chlorophyll in plants and simultaneously enhance the activity of enzymes, promoting the penetration of carbon dioxide and providing more raw materials and more efficient reaction conditions for photosynthesis. This effect is crucial for the growth and development of plants, as photosynthesis is the main way for plants to obtain energy and produce organic substances. By enhancing photosynthesis, plants can synthesize more carbohydrates, providing sufficient nutrients for their growth and reproduction.
(2) As Plant Growth Regulators
Amino acid chelates can regulate the ratio of macronutrients, micronutrients, and various nutrient components, promoting normal plant growth. The growth and development process of crops requires various nutrient elements and substances. The absorption quantity ratio and balance status of these nutrient elements and substances have a significant impact on the nutritional physiology of crops, and directly affect the quality of crop fruits. And amino acid chelates are the key components to solve this problem. Spraying or irrigating plants with amino acid nutrient solution can increase the various nutrient elements in the plant body, accelerate the accumulation of dry matter and the speed and quantity of transportation from the plant roots or leaves to other parts, regulate the ratio and balance of macronutrients, micronutrients, and various nutrient components, and thus play a role in regulating the normal growth of plants.
(3) Strong Chelation Effect
Amino acid chelates undergo chelation reactions with insoluble elements, generating chelates that can be easily absorbed by plants, protecting the elements needed by crops. N, P, K, etc. are macronutrients, and Zn, Fe, Cu, Mn, B, Mo, etc. are micronutrients. These nutrient elements and substances are necessary for the crops. However, crops often show symptoms of lacking certain elements, which is due to the fact that the effective part content of these elements that can be absorbed by the crops is too little. And amino acids can undergo chelation reactions with insoluble elements, protecting the elements needed by crops and generating chelates with good solubility and easy absorption by plants, thereby facilitating plant absorption. During this process, amino acids play the role of chelating agents, enabling plants to better obtain the required nutrient elements.