(Representational picture courtesy Village Sq.)
Have you ever seen a plant with tiny, delicate leaves organized in overlapping clusters forming a mat-like construction in freshwater environments like ditches, ponds, and lakes?
That is Azolla. Also known as the ‘water fern,’ it’s shortly gaining consideration as a sustainable and low-cost answer for Indian farmers. This fast-growing aquatic plant just isn’t solely a robust nitrogen fixer but in addition a extremely nutritious feed for livestock, making it a helpful addition to farming programs throughout the nation.
Azolla’s capacity to thrive in a wide range of environments and its minimal useful resource necessities make it a perfect candidate for reinforcing the agricultural economic system, particularly in rural areas.
Why is Azolla useful?
One of many key advantages of Azolla is its function in nitrogen fixation. The plant types a symbiotic relationship with a selected species of algae (Anabaena), which helps it take in nitrogen immediately from the environment.
This reduces the necessity for chemical fertilisers, that are each pricey and dangerous to the setting. By fixing nitrogen within the soil, Azolla can enrich the land for future crops, selling more healthy soil and higher yields.
Moreover, Azolla serves as a wonderful, inexpensive feed for livestock. Wealthy in protein, important amino acids, and minerals, it presents a nutritious various to conventional animal feeds like soy or maize, which are sometimes costly and require substantial agricultural assets to provide.
Particularly, Azolla has confirmed useful in feeding poultry, fish, and cattle, bettering their well being, development charges, and milk manufacturing. As farmers search for alternate options to costly industrial feeds, Azolla presents an eco-friendly and cost-effective answer. It additionally restricts the mosquito breeding course of, which is why additionally it is referred to as a ‘mosquito fern.’
Azolla additionally contributes positively to water conservation. Because it grows in water, it requires minimal soil, making it good for areas with restricted land or poor soil high quality. Furthermore, its excessive fee of biomass manufacturing means it may be harvested frequently, offering a steady provide of feed or fertiliser with out depleting the setting.
A information to rising azolla
Rising Azolla is an easy course of that requires minimal funding and upkeep, making it accessible even for small-scale farmers. Right here’s the way to efficiently domesticate it:
1. Water high quality: Azolla thrives in water with a impartial pH (6-7). Make sure the water is clear and free from any pollution.
2. Organising the tradition: Select shallow, stagnant water our bodies resembling ponds, tanks, or ditches. You may also develop it in containers if area is restricted. The depth mustn’t exceed 30-40 cm.
3. Temperature: Azolla grows greatest in heat circumstances, with a perfect temperature vary of 25-30°C. Keep away from rising it in water temperatures under 20°C.
4. Planting: Unfold Azolla on the water floor in a skinny layer. It’s going to shortly multiply, masking the water in a number of days. You need to use Tremendous Phosphate together with cow dung slurry so as to add the required phosphorus for development.
5. Upkeep: Azolla requires little consideration, however common harvesting is vital. This encourages steady development and prevents the water floor from turning into overcrowded.
6. Harvesting: Azolla will be harvested each 5 to 7 days. Merely skim the floor to gather the plant. Use it contemporary or dry it for storage.
After a two-week begin of harvesting, from a pond of 2m X 2m, you’ll be able to harvest 1kg of Azolla every day.
By incorporating Azolla into farming programs, Indian farmers can cut back prices, enhance productiveness, and contribute to environmental sustainability. With the fitting circumstances, Azolla is a extremely adaptable and resource-efficient plant that may provide each financial and ecological advantages. As consciousness of its benefits grows, Azolla is poised to turn out to be a key part of India’s agricultural future.
Edited by Vidya Gowri