1、What Fertilizers Are Best for Corn Foliar Application?

Foliar Fertilizers in Corn Nitrogen, phosphorus, potassium, iron, and sulfur are nutrients that can potentially improve corn yield when applied as a foliar treatment.

2、2026 Field Research Report Foliar fertilizers in Corn 2026

Foliar applied nutrients have been used to supplement soil applied nutrients in corn. Nitrogen, phosphorus, potassium, iron, and sulfur are nutrients that can potentially improve corn yield when applied as a foliar treatment.

3、Best Fertilizer for Corn: Boost Your Crop Yield

Looking for the best fertilizer for corn to maximize your harvest? Learn about essential nutrients, application timing, and top recommendations for a successful growing season

4、Facts on Foliar Feeding of Corn and Soybeans

This Field Facts provides an objective discussion of foliar feeding of corn and soybeans.

5、What Is the Best Fertilizer to Use for Growing Healthy Corn?

Learn about the essential nutrients and best fertilizer types that support healthy corn growth. Optimize your farming with expert tips on choosing the right fertilizer for corn.

Whatʼs the best fertilizer for corn?

Nitrogen-Fortified Foliar Fertilizers: These fertilizers are high in nitrogen and are effective for corn grown on soils with low nitrogen levels. Phosphorus-Fortified Foliar Fertilizers: These fertilizers are high in phosphorus and are effective for corn grown on soils with low phosphorus levels.

Why Type of Fertilizer is Best for Corn Farming?

The question of whether granular fertilizer or liquid fertilizer works best for growing corn depends on a variety of factors such as the growth stage of the plants and what equipment an individual producer already has at hand.

Which Foliar Fertilizer Is Best for Corn? Long

Below is a detailed introduction to several types of foliar fertilizers suitable for corn, along with their characteristics, to help you choose the best option for your needs.

Foliar Fertilizers in Corn

Nitrogen, phosphorus, potassium, iron, and sulfur are nutrients that can potentially improve corn yield when applied as a foliar treatment. The objective of this trial was to evaluate the effect of FertiRain, Iron, PrimAgro P and various combinations on corn yield when applied as a foliar treatment.

Effective Foliar Fertilizers for Corn: Selection and Application Techniques

Traditional phosphorus fertilizers are necessary for plant growth but about 80–90% are lost into the surrounding environment via irrigation, therefore nano-fertilizers have been developed as slow-release fertilizers to achieve sustainable agriculture.

Corn is one of the world's most important food crops, and nutritional management during its growth is critical for improving yield and quality. Foliar fertilization is an efficient supplemental method that provides nutrients by spraying fertilizers directly onto plant leaves. For corn, selecting appropriate foliar fertilizers can significantly enhance growth rates, improve stress resistance, and boost yield and quality. Below are some suitable foliar fertilizers for corn, along with usage recommendations:

1. Urea

Mechanism: Urea, a primary form of nitrogen fertilizer, is rapidly absorbed by plants and promotes protein synthesis. During the early growth stages, especially at seedling stage, proper urea application accelerates plant growth, increases tillering, and enhances photosynthetic efficiency. Application: Spray as a 50% aqueous solution. Avoid overconcentration to prevent leaf burn. Apply in the morning or evening to avoid high temperatures. Notes: Combine with phosphorus and potassium fertilizers to promote root development and soil fertility. Avoid overapplication, which may cause root damage.

2. Potassium Dihydrogen Phosphate (KH₂PO₄)

Mechanism: This compound fertilizer contains phosphorus and potassium, essential for plant growth. Phosphorus promotes root development and disease resistance, while potassium regulates water balance and stabilizes cell membranes. Application: Spray as a 10-15% aqueous solution. Adjust concentration based on growth stage and soil conditions. Ensure even coverage to avoid localized excess moisture, which may induce diseases. Notes: Alternate with other fertilizers to prevent nutrient imbalance. Avoid use during extreme weather (e.g., high heat or humidity) to prevent efficacy loss.

3. Micronutrient Fertilizers

Mechanism: Micronutrients like iron, zinc, and copper are crucial for corn health. They activate enzymes involved in photosynthesis, respiration, and nutrient transport. Application: Dilute micronutrient solutions 50-100 times and spray during peak growth or before disease outbreaks to minimize plant stress. Notes: Use cautiously to avoid toxicity. Base applications on soil tests and crop needs to prevent blind fertilization.

4. Organic Fertilizers

Mechanism: Organic materials like chicken manure or cow dung enrich soil structure, providing organic matter and trace elements. Application: Apply as compost near roots or mix with chemical fertilizers. Ensure soil moisture for optimal microbial decomposition. Notes: Follow "appropriate amount, right timing" principles to avoid soil salinization or pest issues. Strictly control heavy metal content to prevent environmental and health risks.

selecting the right foliar fertilizer is vital for corn growth. Consider fertilizer composition, mechanisms, application methods, and precautions to ensure effective use and healthy plant development.