Study and classification of the best products to incorporate organic matter into crop soils, evaluating 3 variables: final result, respect for the environment and speed of action.

The incorporation of organic matter into the soil is essential to maintain its fertility and structure. Below is an evaluation of various sources, in terms of their benefits, disadvantages and classification, we value the final result, respect for the environment and speed of action.

1. Activated Vermichar
• Advantages: High microbial activity, improves soil structure, nutrient and immediate water retention. Quick and long-lasting effect.
• Disadvantages: It requires a prior activation process (2-4 weeks).
• Final results: 10/10
• Respect for the environment: 10/10
• Speed of action: 9/10
2. Vegetable Compost
• Advantages: Balanced nutrition, improves structure and water retention, promotes microbial activity.
• Disadvantages: Production and management time to avoid odors and pests.
• Final results: 9/10
• Respect for the environment: 9/10
• Speed of action: 7/10
3. Leonardita
• Advantages: High concentration of humic and fulvic acids, improves structure, nutrient retention and microbial activity.
• Disadvantages: It does not provide direct nutrients such as nitrogen.
• Final results: 9/10
• Respect for the environment: 10/10
• Speed of action: 6/10
4. Vermichar (unactivated)
• Advantages: Improves water and nutrient retention, and stabilizes the soil.
• Disadvantages: Slow action if not activated and does not provide nutrients immediately.
• Final results: 8/10
• Respect for the environment: 10/10
• Speed of action: 7/10
5. Green manures
• Advantages: Increased nitrogen and improved soil structure. Erosion reduction.
• Disadvantages: They require space and time to grow.
• Final results: 8/10
• Respect for the environment: 10/10
• Speed of action: 6/10
6. Animal Manure
• Advantages: Rich in nutrients such as nitrogen and phosphorus. Stimulates microbial activity.
• Disadvantages: Risk of pathogens and weed seeds.
• Final results: 8/10
• Respect for the environment: 6/10
• Speed of action: 7/10
7. Biochar
• Advantages: Improves nutrient retention and soil structure. Contributes to sustainability.
• Disadvantages: It does not provide nutrients directly. Slow action.
• Final results: 7/10
• Respect for the environment: 10/10
• Speed of action: 4/10
8. Pruning Remains and Fallen Leaves
• Advantages: They increase organic matter and improve soil porosity.
• Disadvantages: Slow decomposition and possible attraction of pests.
• Final results: 7/10
• Respect for the environment: 8/10
• Speed of action: 5/10
9. Agro-industrial waste
• Advantages: Reuses waste and provides organic matter.
• Disadvantages: Risk of containing chemicals and heavy metals.
• Final results: 6/10
• Respect for the environment: 6/10
• Speed of action: 6/10

Final Classification:

1. Vermichar Activated (Total: 29)
2. Vegetable Compost (Total: 25)
3. Leonardite (Total: 25)
4. Vermichar (not activated) (Total: 25)
5. Green Fertilizers (Total: 24)
6. Animal Manure (Total: 21)
7. Biochar (Total: 21)
8. Pruning and Fallen Leaf Remains (Total: 20)
9. Agroindustrial Waste (Total: 18)

Conclusion:

Activated Vermichar  stands out as the best option for its excellent results and speed of action, followed by vegetable compost and Leonardite. Green fertilizers are also highly effective, while agro-industrial waste presents more disadvantages due to possible chemical contamination.