Qingdao Sonef Chemical Co.,Ltd is a professional manufacturer of NPK fertilizer and organic fertilizer products in China
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organic fertilizer sargassum seaweed fertilizer
organic fertilizer sargassum seaweed fertilizer
organic fertilizer sargassum seaweed fertilizer
Classification:Organic Fertilizer
Release Type:Quick
Infection on Soil:Physiological Acid
Chemical Character:Chemical Acid

organic fertilizer sargassum seaweed fertilizer

Product Description


Nutritional facts:

1.Nitrogen(N) + Phosphorus (P2O5) + Potasium(K2O) > 3%

2Calcium(Ca) + Magnesium(Mg) + Zinc(Zn) > 0.9 %

3.Amino acids + Fulvic acid + Humic acid > 1.88%

4.Aluminium(AI) + Boron(B) + Cobalt(Co) < 300 ppm

5.Sulphur (S) + Iron (Fe) + Sodium(Na) > 1%

6.Iodine(I) + Manganese(Mn): 500 – 800 ppm

7.Cytokinins + Alginic Acid + Mannitol + Gibberellins> 0.5 %

Major benefits of using Seaweed Extract:

1.Being rich in bio-activators (the ingredients for healthy decomposition) Seaweed is great for compost piles as it

assists in speeding up the decay of other organic matter.

2.Seaweed contains large traces of potassium and natural hormones making it a hearty fertilizer that strengthens

roots and a plant’s overall system.

3.It lowers vulnerabilities against diseases.

4.Its smell repels many unwanted pests and insects though it unfortunately also makes earthworms temporarily

run for the hills, which is noteworthy because worms are important contributors to soil composition. However,

they don’t disperse for long and in the end the benefits of applying fresh seaweed out way this temporary situation.

5.As mulch Saosis seaweed stops weeds dead in their tracks and keeps soil moist.

6.Because SAOSIS seaweed comes from the ocean it doesn’t introduce unwanted seeds to the new environment like

other mulches may.

7.Improves the uptake of nutrients (CEC)

8.Improves root structure and development

9.Boosts seed germination

10.Reduces fertilizer runoff

11.Increases yields

12.Prevents disease and heat stress

13.Promotes healthier crops 


Direction for use: 

1.A 250 ml bottle is suitable for 1 time spray over 1 Acre of land

2.FRUIT PLANTS (Mango, Lichi, Guava, Lemon, Organge, Grape,Banana, Papaya) : After 15 days of planting:

Spray 3ml / 1L of water every 10-12 days interval till fruiting.

3.VEGETABLES: After 15 days of sowing spray 2 ml / 1L of water every 10-12 days interval till fruiting.

4.POTATO: After 15 days of sowing spray 2ml / 1L of water every 10-12 days interval till fruiting

5.CROPS (Paddy, Jute, Wheat, Barley, Mustard, Til, Ground nut, Sunflower, Soybean, Cotton) : After 15 days of

sowing spray 2ml / 1L of water every 10-12 days interval till fruiting

6.FLOWER AND FOLIAGE PLANT: After 15 days of sowing 2ml / 1L of water every 10-12 days interval


Our Company


Qingdao Sonef Chemical Co.,l(SHANDONGRICHROOTBIOLOGICALCO.,LTD)are a professional manufacturerand

exporte for fertilizers and concerned chemical products in China. Established in 2004 years, we are a high tech

company with research,production, and export, technical service, which has the strong technical forceand the

professional scientific research and technical persons.Our point products such as: NPK compound fertilizer,

biofertilizer, adblue Urea, Functional Microbial Fertilizer, Organic-Inorganic fertilizer ect.


Our Service



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   Large supply ability




Packing Available: 50 ml / 100 ml / 250 ml / 500 ml / 1 Liter / 5 Liter


1.  Question: can you supply OEM?

       OEM is welcomed.

 2.  Question: Is the Price on this page correct?

        All the listed price is only for reference, for latest price, please contact us directly.

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