1、Foliar Nourishment with Different Potassium Sources to Maximize Yield
This study systemically evaluated the potential effects of different foliar-applied potassium-based fertilizers on the yields of lemon trees grown in potassium-deficient soils. The fertilizers were applied to improve the absorption of nutrients and enhance physiological performance.
2、How Potassium Chloride Is Used In Fertilizers
Understanding the role of potassium chloride in fertilizers helps ensure that plants receive the nourishment they need to thrive. Potassium chloride (KCl) is a chemical compound consisting of potassium and chlorine. Its formula, KCl, represents one potassium ion combined with one chloride ion.
3、Effect of foliar application of potassium fertilizers on soybean plants
The research objective of this study was to investigate the effect of foliar application of potassium chloride and potassium sulfate fertilizers at the early growth stage of soybean under medium (6 dS/m) and high (12 dS/m) salinity stresses.
4、Unlocking potential with foliar potassium
Foliar applied potassium is an efficient way to deliver this nutrient to plants, bypassing soil limitations and helping with absorption. Producers can positively impact crop health, yield, and overall productivity.
5、Foliar Feeding with Potassium: When and How
Foliar feeding with potassium offers a rapid and effective method to supplement this critical nutrient directly to plant leaves, improving plant health, yield, and stress resistance. This article delves into the timing, methods, benefits, and best practices of foliar feeding with potassium.
Potassium Chloride
Potassium chloride can be used as a salt substitute for individuals on a restricted salt (sodium chloride) diet. It is used as a deicing agent and has a fertilizing value after the ice melts.
What Is KCL Fertilizer and How Is It Used?
Liquid applications involve dissolving soluble KCL in water and applying it through irrigation systems or as a foliar spray. Application is often done before planting or during specific growth stages when potassium demand is high, such as during fruit development.
Potassium Chloride: How to Use It to Boost the Growth of Your Plants
Potassium chloride is a highly effective fertilizer that helps support several vital plant processes. In this guide, we’ll explore how you can use potassium chloride to encourage healthy growth, vibrant flowering, and improved plant resilience.
Effects of Foliar Potassium Supplementation on Yield and Nutrient
While the increased use of foliar fertilizers in sugarcane cultivation has been explored, most studies focus on comparing or combining foliar with soil applications.
Foliar Feeding Revisited // Missouri Produce Growers Bulletin
The mode-of-entry of essential elements into the leaves when applied as a foliar fertilizer still is under debate. Conventional theory is that foliar feeding is effective because plants can take in essential minerals in liquid form through pores in their leaf cuticle called stomata.
Potassium chloride (KCl) is a common chemical fertilizer widely used in agricultural production. Foliar fertilization is a method of directly spraying nutrients onto the surface of plant leaves, which can rapidly replenish the nutrients required by plants and improve crop yield and quality. Below is a detailed analysis of whether potassium chloride can be used as a foliar fertilizer:
1. Properties of Potassium Chloride
Potassium chloride is an inorganic salt fertilizer, with its main component being potassium chloride. It is characterized by high purity, high solubility in water, and low susceptibility to clumping. Potassium chloride has high effectiveness in soil and can be absorbed and utilized by plants relatively quickly.
2. Principle of Foliar Fertilization
Foliar fertilization involves spraying nutrients onto the surface of plant leaves, allowing them to enter the plant through stomata. This method can improve nutrient utilization efficiency and reduce the environmental impact and potential negative effects on crop growth associated with soil fertilization.
3. Advantages of Using Potassium Chloride as a Foliar Fertilizer
- Rapid Nutrient Supplementation: When used as a foliar fertilizer, potassium chloride can be directly applied to plant leaves, enabling nutrients to enter the plant quickly and improving utilization efficiency.
- Yield Increase: Foliar fertilization enhances nutrient supply within plants, contributing to higher crop yields.
- Quality Improvement: It promotes balanced nutrient distribution within plants, benefiting crop quality.
- Environmental Protection: Reduces environmental pollution and minimizes harm from chemical residues in soil and ecosystems compared to soil fertilization.
4. Disadvantages of Using Potassium Chloride as a Foliar Fertilizer
- High Cost: As an inorganic salt fertilizer, potassium chloride is relatively expensive, increasing agricultural production costs.
- Potential Side Effects: Improper use, such as excessive concentration or incorrect application methods, may cause leaf burn, yellowing, or other damage, disrupting normal crop growth.
5. Recommendations for Using Potassium Chloride as a Foliar Fertilizer
- Select Appropriate Formulations: Choose potassium chloride varieties suited to specific crops. For example, nitrogen-rich formulations are better for fruit trees, legumes, or crops with higher nitrogen demands.
- Control Concentration: Apply at appropriate dilution levels (generally 0.5%–1.0%) to avoid leaf damage from overconcentration.
- Proper Application Methods: Apply on calm or lightly windy days, avoiding direct sunlight to prevent leaf injury. Follow a "test-then-expand" approach to gradually scale up usage.
- Combine with Other Fertilizers: Mix potassium chloride with organic fertilizers or micronutrient supplements to enhance overall fertilization effects.
Potassium chloride can be effectively used as a foliar fertilizer. careful attention must be paid to concentration control, application methods, and integration with other fertilizers. Scientific and rational use of potassium chloride as a foliar fertilizer can boost crop yields and quality while promoting sustainable agricultural development.

