The Great Benefits of Azolla (Anabaena azolle)

The Amazing Properties of Azolla (Anabaena azolle)

Azolla benefits:

Azolla is a genus of seven species of aquatic ferns that grow on water’s surface. They have a symbiotic relationship with a cyanobacterium that can fix nitrogen from the air. Azolla is used as a fodder for animals, a biofertilizer for rice, and a biocontrol agent for mosquitoes. Some of the main features of Azolla are:

High productivity: Azolla can double its biomass in as little as 1.9 days, depending on the growing conditions. It can yield up to 10 tonnes of fresh matter per hectare in rice fields
High protein: Azolla contains about 25-35% protein on a dry weight basis, which is comparable to soybean. It also has essential amino acids, vitamins, and minerals that are beneficial for animal health and growth
High nitrogen: Azolla can fix up to 60 kg of nitrogen per hectare per year, which can reduce the need for chemical fertilizers. Azolla also releases phosphorus and other nutrients into the soil when it decomposes
Low cost: Azolla can be grown in ponds, ditches, or rice fields with minimal inputs. It can be harvested easily and fed directly to animals or mixed with other feeds. It can also be dried and stored for later use

Chemical properties of Azolla

Some of the chemical properties of Azolla are:

High nitrogen content: Azolla can fix atmospheric nitrogen and store it in its tissues, making it a rich source of nitrogen for plants and animals. Azolla can contain 3 to 5% nitrogen on a dry-weight basis
Low potassium requirement: Azolla can absorb traces of potassium as low as 0–5 ppm from water, while rice requires at least 8 ppm K for effective absorption
High calcium, vitamins and minerals: Azolla has a high nutritional value, with a large proportion of calcium, vitamins and minerals
Bioactive compounds: Azolla contains various bioactive compounds, such as flavonoids, phenolics, tannins, and phytosterols, that have antioxidant, anti-inflammatory, antimicrobial, and anticancer properties.

¹: Azolla – Wikipedia

²: Chemical composition of Azolla (Azolla pinnata) and

How to use Azolla (Anabaena azolle)

There are different ways to use Azolla, depending on your purpose and preference. Here are some common methods:

As a livestock feed: Azolla is a high-quality livestock feed, rich in proteins, amino acids, vitamins, and minerals. It can be fed directly to animals or dried for later use. Azolla can be used to feed poultry, pigs, dairy, fish, goats, and sheep.
As a bio-fertilizer: Azolla can fix atmospheric nitrogen and store it in its leaves, making it a rich source of nitrogen for plants. It can be used as a green manure by growing it in ponds or rice fields and then incorporating it into the soil before or after planting. Azolla can help to improve crop yields and reduce the need for chemical fertilizers.
As a mosquito control agent: Azolla helps control mosquitoes by impeding the breeding process and egg-laying on the water’s surface. It can be used as a companion plant in rice paddies or other water bodies to prevent mosquito infestation and diseases.
As a bioremediation agent: Azolla can absorb and degrade environmental pollutants from water, such as heavy metals, pesticides, and organic compounds. It can be used to clean up contaminated water sources and improve water quality.

Health benefits of Azolla

Azolla is a small aquatic fern that has many health benefits for humans and animals. Some of the benefits are:

Protein source: Azolla contains 20-30% of protein in its dry weight, which is higher than most vegetables. It also has essential amino acids that are needed for various bodily functions.
Vitamin and mineral source: Azolla is rich in vitamins A and B complex, as well as minerals like iron, calcium, magnesium, and potassium. These nutrients help support the immune system, vision, blood formation, bone health, and nerve function.
Antioxidant and anti-inflammatory: Azolla has antioxidant and anti-inflammatory properties that can protect against oxidative stress and inflammation. It may also have hepatoprotective effects, meaning it can prevent or reduce liver damage caused by toxins.
Digestive aid: Azolla has a high fibre content that can aid in digestion and prevent constipation. It can also help maintain a healthy gut flora and prevent intestinal infections