New-Nutri Seaweed Extract Fertilizer: Overview, Benefits, and Applications

What is Seaweed Extract Fertilizer?

Seaweed extract fertilizer is a natural, organic product derived from fresh kelp seaweed(algae), wild ascophyllum nodosum. It contains a rich blend of plant growth regulators (e.g., auxins, cytokinins, gibberellins), trace elements (e.g., zinc, iron), amino acids, vitamins, and polysaccharides that enhance plant growth and stress resistance. Unlike synthetic fertilizers, it is sustainable, biodegradable, and supports eco-friendly agriculture by reducing reliance on chemical inputs.

Benefits of Seaweed Extract Fertilizer

1. Enhanced Plant Growth and Yield

   • Stimulates root development, shoot height, and leaf expansion by supplying growth hormones and micronutrients. For example, foliar application of seaweed extract (75% concentration) combined with chemical fertilizers increased Capsicum annuum shoot height by 15 cm and dry weight by 0.856g.

   • Boosts yield parameters such as flower and pod production. In chili crops, seaweed extracts increased pod count by up to 29% compared to controls.

2. Improved Stress Resistance

   • Enhances resistance to lodging (e.g., rice stems treated with seaweed oligosaccharide and silicate showed 38–63% higher bending strength) and environmental stressors like drought or salinity.

   • Reduces pod shattering in legumes (e.g., Vicia unijuga pod shattering decreased by 23% with seaweed fertilizer).

3. Nutrient Uptake and Soil Health

   • Increases nutrient absorption efficiency. For instance, oat plants treated with seaweed-based biofertilizers showed 81% higher nitrogen uptake compared to chemical fertilizers.

   • Improves soil structure by promoting microbial activity and reducing reliance on synthetic fertilizers.

4. Environmental Sustainability

   • Reduces greenhouse gas emissions by up to 50% compared to synthetic fertilizers. Seaweed farming or wild ascophyllum nodosum itself requires no freshwater, arable land, or chemical inputs.

5. Cost-Effectiveness

   • Lowers fertilizer costs when used synergistically with reduced chemical inputs. For example, combining 75% seaweed extract with 25% chemical fertilizers achieved optimal results in chili crops.

Advantages of New-Nutri Seaweed Extract Fertilizer

• Bioactive Formulations: contains concentrated growth hormones (e.g., cytokinins) and micronutrients for rapid plant response.

• Synergistic Blends: combine seaweed extracts with other organic compounds (e.g., silicate or compost) to enhance nutrient delivery and stress resistance, as seen in rice and oat studies .

• Eco-Friendly: Aligns with sustainable farming practices by reducing chemical runoff and improving soil health.

• OMRI Certificated:  New-Nutri Seaweed Extract is OMRI listed for organic agriculture use.

Application and Dosage of New-Nutri Seaweed Extract Fertilizer

1. Application Methods

   • Foliar Spray: Most common method. For chili, 75% seaweed extract + 25% chemical fertilizer (applied weekly) optimized growth.

   • Soil Drench: Used for root zone nutrition (e.g., 5.0‰ concentration for Vicia unijuga seed production).

   • Seed Treatment: Enhances germination rates in crops like Capsicum annuum 1.

2. Recommended Dosage

   • Vegetables (e.g., Chili, Artichoke): 10–75 mL/L seaweed extract, depending on crop stage. Higher concentrations (e.g., 10 mL/L) combined with NPK fertilizers boosted artichoke yields by 63% 4.

   • Grains (e.g., Rice): 45 kg/ha seaweed oligosaccharide + silicate spray reduced lodging by 36–42%.

   • Legumes (e.g., Vicia unijuga): Optimal results at 5.0‰ concentration for seed yield and 2.5‰ for reducing pod shattering.

3. Frequency

   • Apply every 1–2 weeks during vegetative and flowering stages. Overuse may reduce efficacy due to nutrient saturation.Suggested data is solely for guidance purposes. We encourage users to conduct their own testing best suited for their crop under their conditions and environments.