Calcium is a vital nutrient for the growth and development of various fruits, including apples, tomatoes, kiwis, and pears. However, calcium deficiencies are common, leading to severe consequences such as poor fruit quality during storage, deformities, and rotting. Understanding the causes and prevention methods is crucial for ensuring a successful harvest. In this guide, we'll explore the role of chelated calcium fertilizer in addressing these challenges.
The Role of Calcium in fruit growth
Calcium is essential for various functions in plants, such as cell wall strength, signal transduction, and enzyme activity. It also plays a vital role in improving fruit quality, making it less susceptible to post-harvest diseases and mechanical damage.
Causes of calcium deficiency
Limited Mobility: Calcium moves through the plant mainly in an upward direction or through the xylem, which transports it to areas with the highest transpiration, typically the leaves. This limited mobility makes it challenging for calcium to reach the fruit effectively.
Environmental Factors: High humidity (e.g., in greenhouses) reduces transpiration, lowering the amount of calcium reaching the fruit. Similarly, drought conditions can have the same effect, reducing transpiration and the xylem's capacity to transport calcium.
Over-Fertilization: An excessive amount of nitrogen in the soil can lead to vigorous plant growth, with more leaves increasing transpiration and water uptake. This reduces the amount of calcium available for fruit development.
Interaction with Other Nutrients: Certain nutrients can affect calcium uptake and distribution in fruits. For instance, boron influences cell wall permeability, promoting the distribution of various nutrients, including calcium. The balance of cations like calcium, potassium, magnesium, ammonium, and sodium is crucial. Excess potassium or magnesium, often due to over-fertilization, can displace calcium and reduce its absorption. Sodium in saline soils or nitrogen-rich fertilizers can also increase the risk of calcium deficiency.
Preventive measures
Avoid Over-Fertilization: Limiting the application of nitrogen and potassium fertilizers can help maintain a balanced nutrient uptake.
Balanced Nutrition: Providing a well-rounded plant nutrition that includes boron is essential for optimal calcium uptake and distribution.
Proper Water and Ventilation: Ensuring adequate water supply and ventilation in greenhouses can improve transpiration and enhance calcium transport to the fruit.
The role of foliar nutrition
Sometimes, despite implementing preventive measures, calcium deficiencies can still occur. In such cases, foliar nutrition can play a significant role in delivering essential nutrients directly to the plant's leaves, bypassing the limitations of root absorption.
The benefits of chelated calcium fertilizer
Chelated calcium fertilizer offers a solution to calcium deficiency by providing a form of calcium that is readily available and mobile within the plant. This mobility allows calcium to effectively reach the fruits, improving fruit quality and yield.
Bypassing Root Absorption Issues: Foliar applications of calcium can bypass the challenges of root absorption, ensuring that calcium reaches the fruit even when other transport mechanisms are impaired.
Mobility and Availability: Chelated forms of calcium, such as those found in Dora KelpReal CaMg, remain mobile and available for transport through the plant's downward-flowing phloem, which supplies calcium to the fruit.
Avoiding Deposition Issues: Calcium in the form of nitrate or salts, like calcium salts, can be immobile due to deposition by downward-flowing fluids, which contain phosphates and oxalates. Chelated calcium avoids these issues, maintaining its mobility and functionality within the plant.
Conclusion
Calcium deficiency is a real concern for fruit growers. It often arises from poor soil absorption and inadequate transfer to the fruit. By addressing the root causes and utilizing chelated calcium fertilizer, growers can overcome calcium deficiency and improve fruit quality, ultimately enhancing overall yield and profitability.
The Kelp+Calcium biostimulant formulation
The vitality of fruits bursts out
Supplyment of calcium can make fruits juicy and healthy.
Increase the value of agricultural products
Green agriculture products, safe to human.
One-stop Biostimulants Solutions
Click here for more biostimulants you may have interests
