1、Compost supplementation with nutrients and microorganisms in composting

Compost supplementation contributes to enhance the nutrient content in the final bio-input. Nitrogen-fixing and ammonia-oxidizing bacteria can increase the nitrogen content in compost. Adding phosphorus- and potassium-solubilizing microorganisms improves the compost quality.

2、Using Compost to Supply Vital Nutrient Elements to Plants

Each nutrient plays a critical role—for example, nitrogen supports leaf growth, phosphorus aids root development and flowering, and potassium enhances overall plant health and resistance to diseases.

3、Harnessing nitrogen, phosphorus, and potassium sources for successful

Creating a good composting mix requires a balance of organic materials that provide essential macronutrients for plant growth — nitrogen, phosphorus, and potassium.

Compost enriches soil — but doesn’t replace fertilizer

To put this into perspective, you would need about 70 pounds of compost to add the same amount of nutrients as 10 pounds of 10-10-10 fertilizer (containing 10% each nitrogen, phosphorus and potassium). Or you would need about 200 pounds of cow manure for the same amount of nutrients.

Nitrogen, Phosphorus, and Potassium Availability in Three Compost

Nitrogen, Phosphorus, and Potassium Availability in Three Compost Derivatives from the Wine Industry and Two Fertilizers. Organic production worldwide shows ongoing advances in agronomic management.

What Nutrients Are in Compost? (2026)

What does compost contain, and why is it so good for your garden? Learn what nutrients compost gives your plants and how to use it.

Nitrogen, Phosphorus, and Potassium Availability in Three

Organic production worldwide shows ongoing advances in agronomic management. Compost is mainly used for nutritional management and its benefits in biological activity and soil construction are well...

Enhancing sustainable crop production through integrated nutrient

To fill this gap, this study employs the Preferred Reporting Items for Systematic Review and Meta-Analysis (PRISMA) method to explore the synergies of combining these elements and their impacts on crop production and the environment.

Fertilization of Microbial Composts: A Technology for Improving Stress

In this review article, we explore the potential of microbial composts as a viable strategy for improving plant growth and environmental safety. By harnessing the benefits of microorganisms in compost, we can pave the way for sustainable agriculture and foster a healthier relationship between soil, plants, and the environment. 1. Introduction.

Assessing long term effects of compost fertilization on soil fertility

Fertilization with organic waste compost can close the nutrient cycles between urban and rural environments. However, its effect on yield and soil fertility must be investigated.

Nitrogen, phosphorus, and potassium are three essential nutrients for plant growth. Though their content in soil is relatively low, they are indispensable for healthy plant development. Below is a detailed guide on how to compost these three types of fertilizers.

I. Nitrogen Fertilizer

Nitrogen fertilizer promotes the synthesis of chlorophyll and enhances photosynthetic efficiency. Common nitrogen fertilizers include urea, ammonium chloride, and ammonium sulfate.

1. Preparation Method

• Materials: Select raw materials based on the type of nitrogen fertilizer. For example, use urea powder for urea-based fertilizer or solid ammonium chloride for chloride-based fertilizer.
• Dissolution: Add the chosen material (e.g., urea or ammonium chloride) to a large pot, pour in an appropriate amount of water, and heat over low flame until fully dissolved. Avoid excessive heat to prevent urea decomposition.
• Cooling: Pour the dissolved solution into a pre-prepared bucket or container and allow it to cool naturally to room temperature.
• Filtration: Use a fine mesh or gauze to filter out impurities, leaving a pure nitrogen solution.
• Storage: Transfer the filtered solution into airtight plastic or glass bottles and store in a cool, dark place or refrigerator.

2. Precautions

• Use high-quality raw materials to ensure purity and effectiveness.
• Follow precise proportions; excess or deficiency affects efficacy.
• Control heating temperature to avoid decomposition of ingredients.
• Ensure thorough filtration to remove all residues.
• Seal containers tightly to prevent moisture absorption and contamination.

II. Potassium Fertilizer

Potassium fertilizer strengthens plant roots, improves disease resistance, and enhances fruit quality. Common potassium fertilizers include potassium sulfate, potassium chloride, and potassium nitrate.

1. Preparation Method

• Materials: Choose raw materials like potassium sulfate powder or solid potassium chloride based on the desired formula.
• Dissolution: Heat the material in water over low flame until fully dissolved. Avoid overheating to prevent potassium sulfate decomposition.
• Cooling: Transfer the solution to a container and let it cool to room temperature.
• Filtration: Filter impurities using a fine mesh or gauze.
• Storage: Store the filtered solution in airtight bottles away from light or heat.

2. Precautions

• Prioritize high-quality raw materials for optimal results.
• Maintain accurate ratios during preparation.
• Monitor temperature to avoid chemical breakdown.
• Ensure residue-free filtration.
• Seal storage containers to prevent humidity and contamination.

III. Phosphorus Fertilifier

Phosphorus fertilizer supports root development, boosts pest resistance, and increases crop yield and quality. Common phosphorus fertilizers include calcium phosphate, superphosphate, and bone meal.

1. Preparation Method

• Materials: Use calcium phosphate powder, superphosphate, or other phosphorus-rich materials.
• Dissolution: Heat the selected material in water over low flame until fully dissolved. Avoid overheating to prevent calcium phosphate decomposition.
• Cooling: Allow the solution to cool naturally in a container.
• Filtration: Remove impurities with a fine mesh or gauze.
• Storage: Store the filtered solution in sealed bottles in a cool, dark place.

2. Precautions

• Select high-purity raw materials for effectiveness.
• Adhere strictly to recommended proportions.
• Control heating to prevent chemical degradation.
• Ensure thorough filtration.
• Seal containers to block moisture and contaminants.

By following these steps, you can produce customized nitrogen, phosphorus, and potassium fertilizers tailored to your plants’ needs. These homemade fertilizers are cost-effective, adaptable, and environmentally friendly. Always prioritize safety and eco-conscious practices to minimize environmental impact.