1、Effects of different combinations of organic fertilizers on the yield

This study investigates the effects of various combinations of organic fertilizers on the yield and quality of four common leafy vegetables: Chinese cabbage, asparagus lettuce, Shanghai...

2、Combined applications of organic and synthetic nitrogen fertilizers for

We conclude that appropriate rates (SR ≤ 70%) of combined applications of organic and synthetic N fertilizers could improve vegetable yields, decrease Nr and GHG emission, and facilitate sustainable development of coupled vegetable-livestock systems.

3、Organic Fertilizer for Vegetables Best Types, Scientific Benefits

Discover the best organic fertilizers for vegetables—liquid, granular, and homemade—plus science-backed benefits for soil, plants, and human health.

4、Types of Organic Fertilizers for Plants in Agriculture

Types of Organic Fertilizers:Organic fertilizers are made of all the natural products like animal matter, animal manure, vegetable matter like compost and crop residues.

20 Best Organic Fertilizers for Vegetables (2026)

Gardeners have huge concerns about feeding their edible veggies and herbs since these veggies will be consumed after harvest; therefore, I researched and tested organic vegetable fertilizers and created this detailed list of the best organic fertilizer for vegetables.

High

Organic nitrogen fertilizers create an ideal environment for growing vegetables by enriching the soil with essential nutrients as well as improving its physical properties. Markedly, organic nitrogen fertilizers contribute towards increasing plant nutrient absorption rate.

23 Organic Fertilizer Types and How To Use Them

If your plants are struggling to grow, you might need to amend your soil with organic fertilizer. Learn about them and how to use them here.

Guide to Using Organic Fertilizers for Vegetables

This guide will explore the benefits of organic fertilizers, types available, how to use them effectively, and tips for maximizing their impact in your vegetable garden.

Our List of the Best 15 Common Organic Fertilizers

Understanding the common organic fertilizers available is as simple as knowing what organic materials each offers your soil and how “available” (easily accessed) those offerings are for plant growth. To that end, here’s a list of common organic fertilizers and what they offer.

Organic Nitrogen Fertilizer, Organic Nitrogen Sources

A good organic nitrogen fertilizer should be added to the soil whenever you plant heavy-feeding vegetables like tomatoes, peppers, chiles, eggplants, cucumbers, squash, melons, or cruciferous vegetables like broccoli, cabbage, and cauliflower.

Organic nitrogen fertilizers are a category of fertilizers applied in organic forms, providing essential nitrogen for plant growth. These fertilizers typically originate from natural materials such as animal and plant residues, manure, and other organic waste, which are processed through fermentation or other treatments. Below are some common types of organic nitrogen fertilizers and their characteristics:

1. Farm Manure Farm manure is one of the most common organic nitrogen fertilizers. It includes livestock manure, green manure, crop straw, kitchen waste, and more. Rich in multiple nutrients, farm manure improves soil structure, increases organic matter content, and enhances water and nutrient retention capacity. Additionally, it contains beneficial microorganisms that promote soil ecosystem stability. its use requires caution due to potential ammonia volatilization during decomposition and risks of heavy metal contamination.

2. Microbial Inoculants Microbial inoculants are formulations containing specific microorganisms, such as Rhizobia (nitrogen-fixing bacteria), phosphate-solubilizing bacteria, and potassium-releasing bacteria. These microbes fix atmospheric nitrogen, reducing reliance on chemical fertilizers, while degrading soil organic matter and harmful substances to improve fertility. Though cost-effective and capable of boosting crop yield and quality, their application must be tailored to crop and soil conditions to avoid environmental or health risks.

3. Green Manure Green manure consists of nitrogen-fixing plants like legumes, alfalfa, and milk vetch. During growth, these plants absorb nutrients through roots and convert them into accessible forms for crops. They also improve soil structure and retention capacity. Despite longer planting cycles, green manure provides sustainable organic matter, playing a critical role in maintaining soil fertility.

4. Animal-Derived Fertilizers These fertilizers, such as fish meal, bone meal, and blood meal, are byproducts of animal digestion. High in proteins, amino acids, minerals, and vitamins, they supply nitrogen, phosphorus, and potassium to plants, enhancing growth and stress resistance. they may contain antibiotic residues, necessitating strict quality control during use.

5. Seaweed-Based Fertilizers Made from seaweed, these fertilizers are rich in nitrogen, phosphorus, potassium, trace elements, and bioactive substances. They offer broad sourcing, low costs, and long-lasting effects. their efficacy depends on environmental conditions, and ecological impacts on marine ecosystems must be minimized during application.

6. Humus Soil Humus soil, formed through long-term composting, is rich in organic matter and humic acids. It improves soil structure, enhances water and nutrient retention, and promotes root development. While effective in increasing fertility, its use depends on soil pH and salinity, requiring context-specific application.

Organic nitrogen fertilizers vary widely in type and function. When selecting and applying them, factors such as crop requirements, soil conditions, and environmental protection must be comprehensively considered. Rational usage is critical to avoiding pollution and resource waste.