1、Effects of Foliar Fertilization: a Review of Current Status and Future

Foliar fertilizer application after soil fertilization is an effective method to increase the contents of trace elements in crops and crop yield, and to improve the soil environment. However, the application of inorganic foliar fertilizer results in difficulties in nutrient absorption and migration in plants.

2、Effects of Foliar Fertilization: a Review of Current Status and Future

Foliar fertilizer application after soil fertilization is an effective method to increase the contents of trace elements in crops and crop yield, and to improve the soil environment. However, the application of inorganic foliar fertilizer results in difficulties in nutrient absorption and migration in plants.

3、Improving Fertilizer Use Efficiency—Methods and Strategies for the

FUE indices are mainly used to assess the effectiveness of nitrogen (N), phosphorus (P), and potassium (K) fertilization. This is due to the low efficiency of use of NPK fertilizers, their environmental side effects and also, in relation to P, limited natural resources.

4、Excess fertilizer use: which countries cause environmental damage by

Fertilizers have transformed the way the world produces food. They have not only brought large benefits for food security, but they also bring environmental benefits through higher yields (and therefore less land use). But, there can be a downside.

Foliar nutrition: Potential and challenges under multifaceted

Foliar fertilization has been well recognized for two decades to affect crop productivity, however, the consequences of foliar spray under multiple environmental stresses remains elusive, albeit evidence to resilience agriculture has grown widely.

Editorial: Factors affecting the efficacy of foliar fertilizers and the

Excess application of foliar fertilizers can result in nutrient toxicity then limit crop growth (Al-Juthery et al., 2021). Moreover, soil and foliar application of fertilizers can disturb plant N 2 O emission.

Excessive application of chemical fertilizer and organophosphorus

For anthropogenic drivers, the path coefficients of usage of fertilizer and pesticides, which was often excessively applied in China, were 0.921 and 0.909, respectively causing they the two...

How Effective Is Foliar Fertilizer

Foliar fertilizers offer a method to quickly supply nutrients to plants by bypassing the slower root uptake, potentially increasing crop productivity by up to 20%. Applying these fertilizers can effectively enhance trace element content, improve crop yield, and positively affect soil health.

What Are the Harmful Effects of Using Excessive Fertilizers?

Discover the harmful effects of the misapplication and excessive use of fertilizer. Find out ways you can avoid damage to the environment.

(PDF) Factors affecting the efficacy of foliar fertilizers and the

In spite of the widespread use of foliar fertilizers in agriculture, variable crop responses to foliar applications of macro and micro nutrients have been reported.

Foliar fertilizer, also known as leaf spray fertilizer or foliar nutrient solution, is a type of fertilizer applied directly to plant leaves. Due to its convenience, rapid absorption, and effectiveness, it is widely used in modern agricultural production. excessive use of foliar fertilizer can negatively impact plants, even leading to their death. understanding the proper dosage and precautions for foliar fertilizer is crucial.

I. Effects of Excessive Foliar Fertilizer Use

1. Nutrient Imbalance: Foliar fertilizers contain high levels of nitrogen (N), phosphorus (P), and potassium (K). Overuse can lead to nutrient excess, disrupting normal plant growth. Excess nitrogen promotes excessive stem elongation, weak stalks, and yellowing leaves; excess phosphorus inhibits root development; and excess potassium thins leaves and reduces their gloss.

2. Phytotoxicity: Some foliar fertilizers contain hormones like gibberellin or cytokinins. Excessive use can cause phytotoxicity, resulting in stunted growth, abnormal plant structures, or curled leaves.

3. Soil Contamination: Nutrients from foliar fertilizers may accumulate in the soil, leading to compaction, salinization, or acidification. Long-term overuse can harm soil microbial activity and disrupt nutrient cycling.

4. Environmental Pollution: Rainwater runoff can carry excess nutrients into water bodies, causing eutrophication and damaging aquatic ecosystems. Heavy metals in some fertilizers may pose health risks to humans if overused.

5. Increased Pesticide Resistance: Overreliance on foliar fertilizers can enhance plants’ resistance to chemical pesticides, making pest and disease control more difficult. It may also reduce plants’ adaptability to environmental changes.

6. Economic Burden: Excessive use increases agricultural costs while reducing crop yield and quality. It also wastes resources and exacerbates environmental pollution.

7. Ecological Disruption: Overuse can imbalance soil ecosystems, reducing beneficial microorganisms and degrading soil fertility and microbial diversity.

8. Biodiversity Loss: Reduced soil microbial diversity impairs ecosystem functions, weakening soil fertility and resilience.

9. Threats to Sustainable Agriculture: Excessive reliance on foliar fertilizers contributes to soil degradation and water pollution, undermining long-term agricultural sustainability.

II. How to Avoid Excessive Foliar Fertilizer Use

1. Rational Fertilization: Adjust dosage and timing based on plant needs and soil conditions. Increase fertilization during peak growth or fruiting stages, and reduce it during dormancy or early growth phases.

2. Monitor Plant Responses: Observe plants for signs of distress (e.g., yellowing leaves, stunted growth) and adjust fertilizer types or quantities promptly. For example, reduce nitrogen if leaves yellow due to overapplication.

3. Select Appropriate Fertilizers: Choose formulations tailored to specific nutrient requirements (e.g., high-phosphorus fertilizers for phosphorus-deficient plants). Prioritize water-soluble and stable products.

4. Control Application Frequency: Apply once a week under normal conditions. Increase frequency only during droughts or extreme weather to supplement nutrients.

5. Avoid Redundant Use: Prevent repeated use of the same fertilizer on the same land to avoid soil imbalance. Rotate fertilizer types to maintain soil health.

6. Combine with Other Methods: Supplement foliar fertilization with organic base fertilizers, drip irrigation, or fertigation to improve nutrient uptake efficiency.

7. Minimize Environmental Impact: Store fertilizers in cool, ventilated areas away from direct sunlight. Isolate them from soil to prevent runoff. Manage pesticide residues to ensure eco-friendly practices.

8. Strengthen Education and Training: Empower farmers through training on proper fertilizer use, environmental protection, and sustainable agriculture practices to enhance productivity and efficiency.

Foliar fertilizer plays a vital role in improving crop yields and quality. responsible usage is key to ensuring agricultural sustainability and environmental safety. By adopting rational fertilization strategies, scientific management, and innovative technologies, we can achieve efficient, eco-friendly, and sustainable agricultural development.