1. Introduction
  1.1 Background
  1.2 Research Objectives
  1.3 Significance of the Study

2. Literature Review
  2.1 Overview of Synthetic Fertilizers and their Limitations
  2.2 Definition and Types of Renewable Fertilizers
  2.3 Nutrient Content and Release Dynamics of Renewable Fertilizers
  2.4 Impact of Renewable Fertilizers on Soil Fertility
  2.5 Effect of Renewable Fertilizers on Crop Productivity
  2.6 Environmental Benefits and Challenges of Renewable Fertilizers
  2.7 Economic Feasibility and Scalability of Renewable Fertilizers
  2.8 Barriers to the Adoption of Renewable Fertilizers

3. Research Methodology
  3.1 Research Design
  3.2 Data Collection Methods
  3.3 Sample Selection
  3.4 Data Analysis Techniques

4. Results and Discussion
  4.1 Nutrient Content Analysis of Renewable Fertilizers
  4.2 Impact of Renewable Fertilizers on Soil Fertility
  4.3 Effect of Renewable Fertilizers on Crop Productivity
  4.4 Environmental Sustainability of Renewable Fertilizers
  4.5 Economic Feasibility and Scalability Analysis
  4.6 Barriers to the Adoption of Renewable Fertilizers

5. Conclusion and Recommendations
  5.1 Summary of Findings
  5.2 Implications for Sustainable Agriculture
  5.3 Recommendations for Future Research