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11 February 2025

How to Improve Soil Fertility with Organic Fertilizers?

green plant on brown soil

Soil fertility is a crucial factor determining healthy plant growth and high yields. In the era of intensive agricultural practices, organic fertilizers play an increasingly important role. They not only provide plants with essential nutrients but also improve soil structure and its ability to retain water. How can organic fertilizers be effectively used to enhance soil fertility?

1. Types of Organic Fertilizers and Their Impact on Soil

Organic fertilizers are a natural source of nutrients and contribute to improving soil fertility by enriching it with organic matter. The most important types include:

  • Manure – Contains nitrogen, phosphorus, potassium, and micronutrients. It improves soil structure and its water retention capacity.

  • Compost – Rich in organic matter, it enhances soil microbial activity and supports the growth of beneficial bacteria and fungi.

  • Slurry and liquid manure – Natural sources of easily absorbable nutrients.

  • Green manure – Leguminous plants such as alfalfa or clover improve soil structure and provide nitrogen.

  • Organic lime – Improves soil pH, leading to better nutrient absorption.

 

2. Benefits of Using Organic Fertilizers

The use of organic fertilizers offers numerous benefits, including:

  • Improves soil structure – Increases soil looseness and aeration, promoting root system development.

  • Enhances water retention – Organic matter retains water, reducing the effects of drought.

  • Provides micronutrients – Supports healthy plant growth and disease resistance.

  • Boosts microbial activity – Encourages the growth of beneficial bacteria and fungi, improving nutrient mineralization.

  • Reduces soil erosion – Soil enriched with organic matter maintains its structure better and is less prone to nutrient leaching.

 

3. How to Use Organic Fertilizers to Maximize Soil Fertility

To achieve the best results, organic fertilizers should be applied according to several principles:

  • Regularity – Organic fertilizers work gradually, so they should be applied every season.

  • Proper dosage – Excessive amounts can lead to overgrowth of biomass and soil structure issues.

  • Matching fertilizer to soil type – For example, acidic soils benefit from liming, while nitrogen-poor soils can be enriched with manure or green manure.

  • Mixing fertilizer into the soil – For instance, compost should be incorporated at a depth of 10-20 cm.

 

4. Summary

Organic fertilizers are an effective and eco-friendly way to improve soil fertility. Regular use of manure, compost, green manure, or organic lime results in healthier, more fertile soil, leading to higher and better-quality yields. By choosing natural fertilizers, we not only care for our crops but also for the natural environment.

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