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I'm not sure there is a single answer to your question. At least from a regulatory perspective, the definition of "fertilizer" varies from state to state. In some states, seaweed extract, or kelp extract as it may also be called, may not contain enough nutrients to meet their legal definition of fertilizer. In others it does.
The Association of American Plant Food Control Officials (AAPFCO) is the closest thing there is to standardization of fertilizer regulations. In their official definitions, AAPFCO only acknowledges the term "kelp," which it defines as "the dried marine algae fo the botanical divisions of Rhodophyta (red algae), Phaeophyta (brown algae), and Chlorophyta (green algae)." If a product met the definition of "fertilizer," it's official name for AAPFCO purposes would be "kelp extract fertilizer."
Although several seaweed species are used in horticultural products, the most common is Ascophyllum nodosum.
What else can I help you with?
What is a seaweed extract starting with AG?
Agar is a seaweed extract. It is used in food.
Do they use seaweed to thicken up milkshake?
Yes (or rather, an extract of seaweed).
Is seaweed used to thicken icecream?
In some store-bought brands it is. Algin is an extract made of seaweed.
What does the naming agar as agar agar denote?
an extract of seaweed
A common ingredient in ice cream and toothpaste carrageenan is an extract of what?
Seaweed
Can pure fucodian extract from seaweed cause harm in glaucoma or cancer?
yes
Why would you add carrageenan an extract of Irish Moss or sodium alginate an extract of another seaweed to ice cream?
To keep it from crystallizing
How can you grow your own seaweed?
The best way to convert seaweed into organic fertilizer is to compost it. You can add other organic materials to it or just use seaweed; turn the compost pile frequently to aid in the breakdown of the seaweed. Don't use it on the garden until it has completely broken down.
Is seaweed a good fertilizer?
Yes, seaweed is a good natural fertilizer for plants. It is rich in nutrients such as potassium, nitrogen, and phosphorus, which are essential for plant growth. Seaweed also contains trace minerals and beneficial plant hormones that can help improve soil health and support plant growth.
High seaweed yield high pH?
Many growers that have crops that require a slightly acidic soil will turn to seaweed as a fertilizer option. Seaweed is and contains many mineral one of which is zinc. This is very important to pecan growers that have groves on slightly alkaline soil. The Seaweed helps acidify the soil and elevate the zinc contest.
Is carrageenan bad for you?
There is no official statement from the FDA on carrageenan. However, many people have bad reactions to it when it is consumed. It is extracted from red seaweed. Living-Deliberately.com states that it is not natural due to powerful alkali solvents being used to extract it from the seaweed. Still not sure about it? Consider this - carrageenan is used to de-ice frozen airplanes sitting on tarmacs during winter storms.
What is agar made of?
Agar is made from a type of seaweed called red algae. The seaweed is boiled and processed to extract the agar, which is a gelatinous substance used as a thickening agent in cooking and as a medium for culturing microorganisms in laboratories.
