Azolla Farming in Kenya: A Complete Guide
Introduction to Azolla Farming in Kenya
Azolla farming in Kenya enjoys increasing popularity. It is a fast-growing and multi-use plant. It is used by farmers globally for animal feed, organic fertilizer, and environmental aid. Where Kenyans quickly adopted it too. This way it is sustainable and more economical. It saves farmers $200 million a year in animal feed. This article is a step-by-step guide to Azolla Farming in Kenya.
Here’s what you’ll learn:
- What is Azolla and why it is Good
- What it needs to grow well
- How to start your Azolla farm
- How to Grow and Care Azolla
- When and how to harvest
- What Azolla Can Do On Your Farm
- How to tackle common problems
- How to make money with Azolla
- Proposed future of Azolla farming
Aspect | Description |
---|---|
Growing Conditions | Azolla thrives in warm, humid environments with a pH of 4.3-7. It requires fully composted manure for nutrients and about two feet of root space. |
Pond Preparation | Select a suitable location near water sources, dig a pond to a depth of at least 20 cm, and line it with plastic sheeting to prevent water loss. |
Planting and Care | Introduce Azolla culture to the pond, ensure proper water quality and temperature, and regularly monitor growth for signs of nutrient deficiency or pest infestations. |
Harvesting | Harvest Azolla when it covers about 80% of the pond surface, using a fine net or sieve. Leave a portion behind for continuous growth. |
Uses of Azolla | Utilize Azolla as livestock feed, bio-fertilizer, and for water purification. It can significantly reduce feed costs and improve soil fertility. |
What It Azolla and Why It’s Valuable
Azolla is a free-floating aquatic fern species that is found in tropical and subtropical regions. It’s a fast-growing plant used for animal feed, bio-fertiliser and insecticide. Azolla is a cost-effective and sustainable method in which these valuable commodities are produced.
Why should we care about Azolla?
- The livestock feed it produces is nutritious, and rich in proteins, amino acids, and vitamins and minerals.
- It is used as a bio-fertilizer by fixing atmospheric nitrogen and storing it in its leaves. This can increase crop yield.
- It helps in checking not only the breeding of mosquitoes but also egg laying on the water surface.
- Included in this list are the rice paddies as it companion plants to promote beneficial effects on rice production and weed control.
- Azolla also remediates water by soaking up and breaking down contaminants in the environment.
What Azolla Needs to Grow

1. Temperature
Azolla likes it warm, but not too hot. It grows best when it’s between 20Β°C and 30Β°C. This works well in many parts of Kenya. If it gets too hot, you might need to give your Azolla some shade.
2. Water
Azolla needs still or slow-moving water. The water should be a bit acidic or neutral. On a pH scale, that’s between 5.0 and 7.0. You’ll need to check your water often to make sure it’s right for Azolla.
3. Light
Azolla needs some sun, but not too much. It likes about half to three-quarters of full sunlight. In very sunny areas, you might need to create some shade.
You can grow Azolla in ponds, big containers, or even in rice fields. If you get these basics right, your Azolla will grow well.
Starting Your Azolla Farming in Kenya
A. Pick the Right Location
Choose a place that:
- Is close to water
- Has good drainage
- Is easy to get to for harvesting
- Gets some sun, but not too much
B. Make Your Pond
- You can use:
- A dug-out pond in the ground
- A cement pond
- A plastic-lined pond
- Big containers
- Make it shallow. About 10-20 cm deep is perfect. This lets in enough light and makes harvesting easy.
- If you’re using a ground pond, line it with plastic. This stops water from leaking out.
C. Get the Water Ready
- Fill your pond with water.
- Check if the water is right for Azolla. Test the pH and temperature.
- Add some old manure or cow dung to the water. This gives your Azolla a good start.
If you set up your pond right, your Azolla will have a great place to grow.
Planting Your Azolla
Now it’s time to get your Azolla growing. Here’s how:
Where to Get Azolla
You can buy Azolla from:
- Local farm supply stores
- Agricultural research centers
- Other farmers who already grow it
Make sure the Azolla looks healthy. It should be green with no bugs or diseases.
How to Plant
- Spread the Azolla evenly in your pond.
- Use about 500-1000 grams for each square meter of water.
- Don’t put too much or too little. This amount helps it grow evenly.
Help It Grow Fast
- Keep the water 10-15 cm deep.
- Add a little organic fertilizer now and then.
- Check the water’s pH every week. Keep it between 5.0 and 7.0.
Azolla grows really fast. It can double in size every 3-5 days! This means you can harvest it often.
The 1-Minute Quiz That Every Azolla Farmer Must Take
Taking Care of Your Azolla Pond
1. Check Your Pond Often
- Look at the water level every day. Add water if needed.
- Test the pH once a week. Adjust it if you need to.
- Watch the color of your Azolla. Healthy Azolla is bright green.
2. Feed Your Azolla
Azolla needs food to grow well. Here's how to feed it:
- Add some cow dung or chicken manure each week.
- You can also use compost tea. It's full of good nutrients.
- Spread the fertilizer evenly in the pond.
3. Don't Let It Get Too Crowded
- When Azolla covers more than 70% of the water, it's time to thin it out.
- Use a net to scoop out some Azolla.
- Be gentle so you don't hurt the plants left in the pond.
4. Keep It Clean
- Clean the sides of the pond regularly.
- Take out any dead plants or other stuff that falls in.
- This keeps the water clean and your Azolla healthy.
Replace 25 to 30% old water with fresh water once in 10 days; it helps prevent nitrogen buildup in the pond.
Completely replace the water and soil at least once in six months, and add Fresh Azolla seeds.
Harvesting Your Azolla

A. When to Harvest
- Harvest when Azolla covers about 80% of your pond.
- This usually happens 10-15 days after you plant or last harvested.
- The exact time can change based on how fast your Azolla grows.
B. How to Harvest
- Use a fine net or sieve to scoop Azolla from the water.
- Don't take all of it. Leave about 25-30% in the pond.
- This lets the Azolla grow back quickly.
- It's best to harvest in the morning or evening when it's cooler.
C. How Often to Harvest
You can harvest:
- A little bit every day
- A larger amount once a week It depends on how much you need and how fast your Azolla grows.
D. What to Do After Harvesting
- Rinse the Azolla with clean water.
- Let it dry in the sun for a few hours.
- Use it fresh or store it in a cool, dry place.
By harvesting the right way, you'll always have a steady supply of Azolla for your farm.
Using Azolla on Your Farm
1. For Animal Feed
- Chickens: Mix Azolla into chicken feed. It can replace up to 20% of their regular food. It helps chickens lay more eggs and grow better meat.
- Fish: Add fresh Azolla to fish ponds. Tilapia love to eat it. It helps them grow faster and healthier.
- Pigs: Give Azolla to pigs as part of their food. It can cut your pig feed costs by up to 25%.
2. As a Natural Fertilizer
- Use Azolla to make your soil better. It works great in vegetable gardens, maize fields, and rice paddies.
- It adds nitrogen to the soil. This helps other plants grow better.
- You can mix it into the soil or spread it around plants like a mulch.
3. For Cleaning Water
- Azolla is great at cleaning dirty water. It soaks up harmful metals and other bad stuff.
- Use it in fish ponds to keep the water clean.
- It can even help clean up polluted water in larger areas.
By using Azolla in these ways, you can save money and farm in a way that's good for the environment.
Solving Common Azolla Problems
1. Bad Water Quality
Problem: If the water is too dirty or has the wrong pH, Azolla won't grow well. Fix: Test your water often. Add organic matter to adjust the pH. Change some of the water if it gets too dirty.
2. Pests and Diseases
Problem: Snails, insects, or fungus can attack Azolla. Fix: For snails, add some fish to your pond that eat them. Use neem oil spray for insects. Make sure air can move over the water to stop fungus.
3. Temperature Issues
Problem: If it's too hot or too cold, Azolla stops growing. Fix: In cold areas, cover your pond with clear plastic. In hot areas, create some shade over part of the pond.
4. Overcrowding
Problem: Too much Azolla in one place can slow down growth. Fix: Harvest regularly. If you have too much, make your pond bigger or start a new one.
5. Not Enough Nutrients
Problem: If Azolla doesn't get enough food, it grows slowly and looks pale. Fix: Add organic fertilizer like cow dung or compost tea regularly. Watch the color of your Azolla to know when it needs more food.
Making Money with Azolla Farming in Kenya
1. Save Money on Animal Feed
- Farmers who use Azolla say they save up to 30% on feed for chickens, pigs, and fish.
- A small Azolla pond can feed 100 chickens or 2-3 pigs every day.
2. Low Costs to Start and Run
- You don't need much to grow Azolla: just water, some organic fertilizer, and a bit of work.
- Starting is cheap, especially if you already have a pond or can make a simple one.
3. Ways to Sell Azolla
- Sell extra Azolla to other farmers for animal feed.
- Sell it as a natural fertilizer to crop farmers.
- Sell starter packs to new Azolla farmers.
Real Example
Mary, a farmer in Kiambu County, started with a small 10x5m Azolla pond. In just three months, she:
- Cut her chicken feed costs by 25%
- Started selling extra Azolla
- Made an extra 5,000 KES each month
Is It Worth It?
- To start a 100mΒ² pond costs about 20,000-30,000 KES.
- Running it costs about 2,000-3,000 KES each month.
- You can save or earn 10,000-15,000 KES monthly from feed savings and sales.
- Most farmers earn back their costs in 3-4 months.
Azolla farming doesn't cost much to start, has many ways to make money, and saves a lot on feed. It's a smart choice for Kenyan farmers, big or small.
Azolla Farming Profitability Calculator
The Future of Azolla Farming in Kenya
1. Good for the Environment
- More farmers want to use natural methods. Azolla fits perfectly as a natural fertilizer and animal feed.
- The government might support Azolla projects because they're good for the environment.
2. Helps Fight Climate Change
- Azolla takes carbon from the air. It also reduces methane from rice fields.
- In the future, big Azolla farms might earn carbon credits. This could mean extra money.
3. New Research
- Kenyan agricultural schools are studying Azolla.
- They're finding ways to grow it better and use it for more things.
- This research could make Azolla even more useful for farmers.
4. Selling to Other Countries( Export Opportunities)
- People around the world want sustainable animal feed.
- Kenyan farmers could dry Azolla and sell it to other countries.
5. Support from the Government and NGOs
- As more people learn about Azolla, the government might include it in farming programs.
- Groups that support sustainable farming might help train new Azolla farmers.
6. New Uses
- Scientists are looking at using Azolla for biofuel and even human food.
- This could open up new markets for Azolla farmers.
As more farmers start growing Azolla, it could really change farming in Kenya. It could help make farming more sustainable, improve food security, and help farmers earn more.
Conclusion
Most of the Kenyan farmers can go into Azolla farming. Yet this small water plant can have a big impact. A low cost animal feed and a highly proteinaceous one at it. It is also a potent natural fertiliser. And It Also Helps The Environment.
You can begin Azolla farming by:
- Lower costs⦠ie: feed the animals cheaper
- Improve your soil naturally
- Farm with the Earth, not in spite of it
It is also not a business that requires thousands of dollars to start. There are lots of method to create income by Azolla. Not just for small farmers, it is pretty much useful on large farms as well.
Kenya is struggling to provide enough food sustainably in the country. This is where Azolla comes in. We are calling on farmers all over Kenya to give Azolla farming a go. It might change the way you farm⦠And hopefully, a brighter future for farming