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、Comparative Studies on Physical and Chemical Properties of Traditional

The reducing sugar content of brown sugar was significantly higher than that of brown granulated sugar, while the ash and sucrose contents were significantly lower than those of brown granulated sugar.

3、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.

From plant surface to plant metabolism: the uncertain fate of foliar

While variable effectiveness is often seen in response to foliar treatments, there is abundant evidence showing the beneficial effect of foliar fertilizers in terms of improving the metabolism, quality, and yields of crops.

Foliar nutrition: Potential and challenges under multifaceted

The potential of foliar fertilization in improving crop yield and quality under environmental stresses has been evaluated based on a meta-analysis. Foliar-applied fertilizers showed higher crop plants yield and quality traits by 15–19% and 9–29%, respectively, under different environmental stresses.

Foliar Fertilization: Scientific Principles and Field Pratices

This IFA publication provides readers an up-to date information and clarification on the scientific basis of foliar fertilization and plant responses to it.

Can Brown Sugar Be Used as Foliar Fertilizer for Cabbage? How to Make It

The effect of either sugar or sawdust treatment was to decrease foliar phosphorus concentrations. Sugar produced more significant differences than did sawdust. Sugar treatments decreased foliar nitrogen in all tree species except for white spruce, while fertilizer tended to increase foliar nitrogen.

Guide to Foliar Fertilization: Best Practices, Dosages, and Benefits

Compared to traditional soil fertilization, foliar feeding offers faster absorption, higher nutrient use efficiency, and more targeted results.

How to Effectively Use Brown Sugar Solution as Foliar Fertilizer

While sugar water can be beneficial in certain circumstances, a balanced mix, such as a 50-50 combination of brown sugar and fish intestines and gills, is recommended for foliar applications to support plant health.

Foliar Fertilization: Scientific Principles and Field Pratices

This IFA publication provides readers an up-to date information and clarification on the scientific basis of foliar fertilization and plant responses to it. It describes the 'state-of- knowledge' on the mechanisms of uptake by plant leaves of foliar-applied nutrient solutions.

Foliar application is a crucial fertilization method in modern agriculture. It involves directly applying fertilizers to plant leaves, which absorb nutrients and transport them to other parts of the plant. This approach enhances fertilizer utilization and crop yield. When selecting foliar fertilizers, the composition's impact on plant growth is a key consideration. While both white granulated sugar and brown sugar are common carbohydrates, their agricultural applications yield different results.

I. Advantages of Brown Sugar

1. High Sugar Content: Brown sugar primarily consists of sucrose with higher sweetness, creating an optimal sweet environment for foliar application. It dissolves rapidly in water, forming concentrated solutions that improve fertilizer concentration and utilization efficiency.

2. Root System Development: Trace elements like iron (Fe) and zinc (Zn) in brown sugar promote root growth and enhance disease resistance, particularly beneficial for crops requiring root health improvement.

3. Soil Structure Improvement: Minerals in brown sugar combine with soil organic matter, enhancing soil structure, water retention, and nutrient-holding capacity, fostering healthier plant growth.

4. Enhanced Photosynthesis: Trace elements in brown sugar boost photosynthetic efficiency, increasing nutrient accumulation and crop yields.

II. Advantages of White Granulated Sugar

1. Rapid Dissolution: White sugar dissolves quickly in water, allowing rapid formation of high-concentration solutions during foliar application, maximizing fertilizer efficacy.

2. Gentle Formula: With lower sweetness, white sugar minimizes leaf irritation, suitable for diverse plant species.

3. Easy Storage and Transport: Its physical properties ensure stability during storage and transportation, reducing clumping risks.

4. Cost-Effective: White sugar is more economical than brown sugar, reducing farmers' financial burdens associated with foliar fertilization.

III. Selection Recommendations

1. Crop Type: Match fertilizers to crop needs. For example, brown sugar is ideal for root-health-focused crops, while white sugar suits crops prioritizing photosynthetic efficiency.

2. Application Timing: Optimal foliar application occurs during peak growth stages when plants demand higher nutrients, maximizing fertilizer impact.

3. Application Method: Ensure even coverage on leaves to avoid burns. Control dosage to prevent waste or adverse effects.

4. Environmental Factors: Adjust strategies based on conditions. High humidity may accelerate evaporation, while low temperatures slow dissolution, both compromising effectiveness.

Both brown and white sugar offer distinct advantages. The choice depends on crop requirements and environmental context. Combining their strengths can optimize fertilization outcomes in practical applications.