1、Polyphosphate

In this study, we developed a polyphosphate-enriched algae fertilizer (PEA) and conducted comparative experiments with chemical P fertilizers (CP) through soil and solution cultures, as well as crop growth trials.

2、Phosphorous Utilization in Microalgae: Physiological Aspects and

Furthermore, it comprehensively explores the strategies employed by microalgae to cope with phosphorus limitation, such as the activation of high-affinity phosphate transporters and the synthesis of phosphorus storage compounds.

3、Phosphorus biofertilizer from microalgae

This is because algae can acquire and store phosphorus through luxury uptake and the phosphorus-enriched algal biomass can be applied as a fertilizer to soil in return.

Algae as Bio

Bio-fertilization is a sustainable agricultural practice that includes using bio-fertilizers to increase soil nutrient content resulting in higher productivity.

Nitrogen and phosphorus fertilization consistently favor pathogenic

We show consistent, guild-level responses that enhance our ability to predict shifts in soil function related to anthropogenic eutrophication, which can have longer-term consequences for plant...

Microbe‐dependent and independent nitrogen and phosphate acquisition

Nitrogen (N) and phosphorus (P) are the most important macronutrients required for plant growth and development.

Influence of Nitrogen and Phosphorus on Microalgal Growth, Biomass

Nitrogen and phosphorus are essential macronutrients needed to promote algal growth and they regulate metabolic activities if supplied in an acceptable form. Various nitrogen and phosphorus concentrations in microalgae cultivation medium may influence lipid and fatty acid yield [4, 18].

Application of algae for enhanced plant growth and food productivity

Beneficial algal biofertilizers, especially BGA and marine algae, which are rich in essential nutrients and foster microbial activity, have demonstrated their potential to elevate soil fertility and stimulate crop productivity.

Phosphorous Utilization in Microalgae: Physiological Aspects and

Furthermore, it comprehensively explores the strategies employed by microalgae to cope with phosphorus limitation, such as the activation of high-affinity phosphate transporters and the synthesis of phosphorus storage compounds.

The significance of phosphorus in algae growth and the subsequent

According to the findings, phosphorus has a major impact on algal food quality, and herbivorous consumers are subjected to significant food quality variation of algae, which they respond to by modifying their life history strategies and feeding behavior.

When discussing whether to prioritize algae supplementation or phosphate fertilization for plant growth, multiple factors must be considered, including nutritional needs, environmental conditions, crop characteristics, and fertilization methods. Below is a detailed analysis and recommendation:

I. Nutritional Requirements Analysis

1. The Importance of Nitrogen: Nitrogen is one of the three essential macronutrients for plants, critical for leaf growth and photosynthesis. During photosynthesis, plants convert carbon dioxide and water into glucose, a process dependent on adequate nitrogen supply. nitrogen requirements should be prioritized when fertilizing.

2. The Role of Phosphorus: Phosphorus is a key nutrient for plant growth, development, and disease resistance. It promotes root system development and enhances drought and cold tolerance in plants.

3. The Role of Potassium: Potassium improves disease resistance, salt-alkali tolerance, and water absorption/utilization in plants. It helps maintain water balance within plants and reduces water loss.

II. Environmental and Crop Characteristics

1. Soil Conditions: Soil nutrient content directly impacts plant growth. If essential nutrients (e.g., nitrogen, phosphorus, potassium) are deficient, fertilization is required. Additionally, soil pH, organic matter content, and other factors influence fertilizer selection and application methods.

2. Crop Specificity: Different crops have varying nutrient demands. For example, legumes may require more nitrogen, while corn often needs higher phosphorus levels. Understanding crop-specific needs guides appropriate fertilizer choices and strategies.

III. Fertilization Methods

1. Timing: Fertilization timing significantly affects plant growth. Spring is a critical period for plant growth, and timely fertilization can promote rapid development. excessive or insufficient fertilization may harm plants.

2. Dosage: Fertilization amounts directly impact plant health. Over-fertilization may lead to excessive growth but nutrient imbalance, while under-fertilization can stunt growth. Dosage should align with soil test results and crop requirements.

3. Application Methods: Methods include broadcast spreading, furrow application, and hole placement. Broadcast spreading suits large fields, while furrow and hole methods are better for smaller areas or precision management.

IV. Recommendations

1. Balanced Fertilization: Prioritize "balanced fertilization" to ensure plants receive adequate macronutrients (nitrogen, phosphorus, potassium) and microelements.

2. Scientific Proportioning: Based on soil tests and crop needs, optimize fertilizer ratios. For example, combine nitrogen, phosphorus, and potassium fertilizers in specific proportions for best results.

3. Timing and Methods: Adjust fertilization schedules according to crop growth stages and soil conditions. Use appropriate methods (e.g., broadcast, furrow, or hole application) for different contexts.

4. Monitoring and Adjustment: Regularly monitor soil and plant nutrient statuses and refine strategies accordingly. This ensures optimal nutrition while avoiding over-fertilization risks.

5. Environmental Considerations: Prioritize eco-friendly practices. Use organic fertilizers (e.g., animal manure) to reduce chemical inputs and pollution. Properly manage waste to minimize resource waste and environmental harm.

Whether to prioritize algae supplementation or phosphate fertilization depends on soil conditions, crop types, and environmental factors. In practice, flexible adjustments based on specific contexts will achieve the best outcomes.