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What is kelp meal?
What is kelp meal?-February 2024
Feb 13, 2026 7:02 PM

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Kelp Meal

Definition:

Kelp meal is a type of organic fertilizer made from dried and ground seaweed. It is derived from various species of brown algae, commonly known as kelp, which are rich in essential nutrients and minerals.

Composition:

Kelp meal is typically composed of dried and powdered seaweed, which is harvested from coastal areas. It contains a wide range of beneficial elements, including macronutrients such as nitrogen (N), phosphorus (P), and potassium (K), as well as micronutrients like calcium, magnesium, iron, and zinc. Additionally, kelp meal is a natural source of growth hormones, vitamins, and amino acids that promote plant growth and overall health.

Benefits:

Using kelp meal as a fertilizer offers several advantages for gardeners:

  • Nutrient-rich: Kelp meal provides a balanced blend of essential nutrients that plants need for healthy growth and development.
  • Improved soil structure: The organic matter in kelp meal helps improve soil structure, enhancing its ability to retain moisture and nutrients.
  • Stress tolerance: The growth hormones and amino acids in kelp meal help plants withstand environmental stressors such as drought, heat, and disease.
  • Enhanced root development: Kelp meal stimulates root growth, leading to stronger and more extensive root systems that improve nutrient uptake and overall plant vigor.
  • Increased yield and quality: Regular application of kelp meal can result in higher crop yields and improved quality of fruits, vegetables, and flowers.
See also What are the steps for repotting an indoor plant in the fall?

Application:

Kelp meal can be applied to the soil in various ways:

  • As a soil amendment: Mix kelp meal into the soil before planting to improve its nutrient content and structure.
  • As a top dressing: Sprinkle kelp meal around the base of established plants, then gently work it into the soil surface.
  • In compost: Add kelp meal to compost piles to enhance their nutrient value and accelerate decomposition.
  • In liquid form: Some gardeners make kelp meal tea by steeping it in water, then use the resulting liquid as a foliar spray or soil drench.
See also How does using cover crops benefit soil health in community gardens?

Caution:

While kelp meal is generally safe to use, it is important to follow the recommended application rates and avoid excessive use, as it can lead to nutrient imbalances. Additionally, individuals with iodine allergies should exercise caution when handling or using kelp meal, as it naturally contains iodine.

Conclusion:

Kelp meal is a valuable organic fertilizer that provides plants with essential nutrients, growth hormones, and other beneficial compounds. Its numerous benefits, including improved soil structure, stress tolerance, and increased yield, make it a popular choice among gardeners seeking to enhance the health and productivity of their plants.

See also What are some effective ways to control weeds in the summer?

Keywords: growth, nutrient, plants, nutrients, structure, organic, fertilizer, essential, hormones

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