Ecklonia Maxima, Sargassum, and Ascophyllum Nodosum: Characteristics and Agricultural Applications

Ecklonia Maxima are cold – water algae, thriving in low – temperature and low – pressure waters. They are distributed along the coastal waters of the Americas, Australia, and other regions. These algae are remarkable for their enormous size, typically growing to 70 – 80 meters in length, with some specimens reaching an astonishing 200 – 300 meters. Their growth rate is extremely rapid, demonstrating vigorous vitality.​

The seaweed liquid extracted through advanced enzymatic bursting technology in cell level contains more than sixty beneficial components, including auxins, cytokinins, amino acids, alginic acid, mannitol, polyphenols, polysaccharides, vitamins, iodine, potassium, etc. As fertilizers made from ecklonia maxima extracts are widely used in over 60 countries around the world, they can promote the healthy and rapid growth of crops, especially showing significant effects in improving crop flowering and fruit – setting.

See more details of Dora Ecklonia Maxima products: AlgaEck, AlgaNeo

2. Sargassum​

Most sargassum species are warm – water types, extensively distributed in warm and temperate waters, especially in the Indo – West Pacific and Australia. China is one of the main producing areas of sargassum, with abundant production along the coasts of Guangdong and Guangxi, particularly around Hainan Island, Zhou Island, and Weizhou Island.

Sargassum grows in sea areas with high salinity, high transparency, and relatively fertile water quality. It has strong vitality and reproductive ability, with rapid growth, numerous branches, and spores, resulting in a high content of cytokinins. It contains a variety of active substances such as seaweed polysaccharides, seaweed hormones, and antibiotics, and accumulates rich minerals (such as potassium, calcium, iron, zinc, and iodine) and multiple vitamins.

The amino acids in sargassum are complete in variety and balanced in content ratio.

The sargassum seaweed extract made through the bio – enzyme extraction process can promote the rapid growth and differentiation of crops, making the roots and stems thick and the plants lush. It enhances photosynthesis and improves the stress resistance and immunity of crops, helping them better withstand diseases, pests, drought, and other adverse conditions.

See more details of Dora Sargassum products: Dora KelpReal Liquid (OMRI), Dora KelpReal Powder(OMRI)

3. Ascophyllum nodosum

 Ascophyllum nodosum are mainly distributed in the North Atlantic Ocean and 43 countries, including Ireland, Canada, Norway, Spain, France, and the United Kingdom. It is a cold – water algae with tenacious vitality, mostly growing on rocks in the intertidal zone or on the seabed. It has organs similar to roots, stems, and leaves, and has nutrient – rich vesicles, endowing it with a strong ability to enrich nutrients.​


Ascophyllum nodosum can absorb a large amount of mineral nutrients from seawater, such as calcium, iron, magnesium, phosphorus, potassium, sulfur, and trace elements like zinc, iodine, manganese, and copper. They can also synthesize dozens of endogenous active substances, including seaweed polysaccharides, mannitol, betaine, phenols, auxins, cytokinins, and gibberellins. The extract of ascophyllum nodosum contains more than sixty active substances, with the total content of seaweed acid as high as 50%, and the content of seaweed polysaccharides is also much higher than that of other algae.​


In agricultural production, ascophyllum nodosum can effectively maintain the growth of crops under adverse conditions, repair damaged tissues, and improve crop yield and quality. Due to its special growth environment, it cannot be artificially cultivated, making the raw materials precious and scarce.

See more details of Dora Ascophyllum Nodosum product: Dora AlgaMax(OMRI)

Algae Type
Focus of Nutrient Components
Growth – Promoting Effects
Stress – Resistance Performance
Difficulty of Raw Material Acquisition
Ecklonia Maxima
High content of auxins and cytokinins
Excellent in improving crop flowering and fruit – setting
Provides certain protection for crop growth, but relatively less described in stress resistance
Moderate difficulty, with specific production areas
Sargassum
High content of B – vitamins, complete and balanced amino acids
Promotes overall rapid growth and differentiation of crops, makes plants lush
Improves crop stress resistance and immunity, helps resist various adversities
Relatively easy, with abundant resources in some areas and partial artificial cultivation possible
Ascophyllum nodosum
High content of seaweed acid and seaweed polysaccharides, rich in various mineral nutrients and endogenous active substances
Maintains crop growth under adverse conditions, repairs damaged tissues
Significantly protects crops against stress
High difficulty, relying solely on wild resources

In conclusion, ecklonia maxima, sargassum, and ascophyllum nodosum each have their own characteristics and advantages in agriculture.

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