How to use seaweed extract fertilizer

There are multiple ways to use seaweed extract fertilizers, which can be flexibly applied according to different crops and growth stages.

Here are several common usage methods:

1. Foliar spraying

During critical stages of plant growth, such as flowering and fruiting, seaweed extract can be applied by foliar spraying,utilizing the plant's stomata for rapid absorption.

It is usually recommended to spray in the early morning or evening when the temperature is low, to avoid direct sunlight causing the liquid to evaporate too quickly.

2. Root watering

Adding seaweed extract fertilizer to the soil can effectively promote root growth and improve soil quality. Mix an appropriate amount of seaweed extract with water,

and then water the roots of the plants. Generally, using 1-2 times a month yields the best results.

3. Apply to the soil

Mixing seaweed extract fertilizer into the soil before cultivation can provide a good nutritional foundation for crop growth.

This method is suitable for use before sowing or during the seedling stage, and can effectively improve the overall condition of the soil.

Fulvicmax is a high-purity mineral-sourced fulvic acid formulation designed to optimize nutrient efficiency and soil-plant interaction in intensive cropping systems.

Derived from natural leonardite and 100% water-soluble, it plays a critical role in improving nutrient bioavailability, promoting early root vigor, and enhancing crop resilience.

Proven Agronomic Advantages for Tomato Cultivation:

1.Chelates macro & micronutrients, improving translocation and uptake efficiency, especially under pH stress or saline soil conditions.

2.Enhances early-stage root and shoot development, supporting robust vegetative growth and uniform flowering.

3.Increases fruit set and size, while improving soluble solids (°Brix), firmness, and post-harvest quality.

4.Improves abiotic stress tolerance, including drought, salinity, and heat, common in protected and open-field tomato production systems.

5.Stimulates rhizosphere microbiota, contributing to long-term soil structure improvement and nutrient cycling.

Compatible with fertigation systems, foliar application, and NPK compound blends,

Fulvicmax is suitable for integration into high-value crop nutrition programs, including tomato, pepper, cucumber, melon, and strawberry.

Khumic E+ active humic acid Granular natural soil conditioner based on high active Leonardite. It is organic chelator and natural plant growth stimulant.

Product Advantages

Khumic E+ active humic acid Granular is ideally suitable for addition with granular fertilizers, such as Urea.

With prominent effect to release the locked phosphate by some ion such as Fe3+， Al3+,

also can slow-release nitrogen fertilizer to promote the function of NPK fertilizers.

Used as multi-functional compound fertilizer, combined with Nitrogen and Phosphorus, Mainly used as basal fertilizer, top dressing, seed fertilizer.

.Has excellent blending capabilities when mixed with MAP,ammonium sulfate and KCL based fertilizers. Ideal for broadcast or in-furrow application

 Application & Recommended Dosage

 1.Field crops (such as rice and corn): 450-675kgs/ha, mixed with farmyard manure or compound fertilizer and tilled into the soil.   

 2.Cash crops (such as vegetables and fruit trees): 675-980 kg/ha, dig trenches around the root system and bury the fertilizer.

Fruit trees can be adjusted according to the age of the tree (2-5 kg per adult tree).

 3.Poor soil or compacted plots: The dosage can be increased by 20%-30%, and the effect is better when used with organic fertilizer.

The application methods of 100% Water Soluble Potassium Humate

 Application method & recommend application dosage:

1. Foliar Spraying

Concentration: Dilute 800–1000 times (i.e., add 15–20 g potassium humate to 15 Litre water), and spray evenly on both sides of leaves.

Timing: Seedling stage, before/after flowering, young fruit stage, before adverse conditions (drought, low temperature), or post-disaster recovery.

Note: Avoid high-temperature periods; spray in the evening for better absorption.

Can be mixed with neutral/weakly acidic pesticides (e.g., fungicides, foliar fertilizers) to reduce labor costs.

2. Root Drenching

Concentration: Dilute 1000–1500 times, and apply 200–500 mL of solution per plant, focusing on the soil around the roots.

Application: During transplanting recovery or when roots are damaged (e.g., waterlogging, root rot), to promote new root growth and restore plant vigor.

3. Seed Soaking/Root Dipping (Nursery Stage)

Seed Soaking: Dilute 500–800 times, soak seeds for 6–12 hours, then air-dry before sowing to improve germination rate and seedling robustness.

Root Dipping: Dilute 300–500 times, soak seedling roots for 10–20 minutes to reduce transplanting stress and enhance stress resistance.

Precautions

Mixing Taboos: Avoid mixing with strongly acidic or strongly alkaline fertilizers/pesticides to prevent chemical reactions that reduce efficacy.

Dosage Adjustment: Adjust dosage based on soil fertility, crop type, and growth stage (reduce for seedling stage, increase for fruit expansion stage).

Their Application Methods

Water Quality: Use clean freshwater for dilution. If water is highly hard (high in calcium/magnesium ions), let it settle first and use the supernatant.

Khumic N+ is a humic-acid-enhanced nitrogen fertilizer engineered to meet the specific physiological and agronomic demands of Vaccinium spp.

(blueberries). Formulated for high-efficiency nitrogen delivery in acidic, low-C.E.C. soils, Khumic N+ improves nutrient availability,

supports fine-root development, and enhances soil structure—all critical factors for optimizing blueberry yield and fruit quality.

Technical Advantages in Blueberry Systems:

1.Enhanced Nitrogen Efficiency: Stabilizes nitrogen in the root zone, reducing leaching loss common in coarse-textured soils typically used in blueberry production.

2.Root-Zone Activation: High humic acid content stimulates rhizosphere activity, improving fine root proliferation and nutrient absorption.

3.Optimized Soil-Plant Interface: Promotes better soil aggregation and moisture retention—essential for shallow-rooted blueberry crops.

4.Improved Berry Set & Uniformity: Supports hormonal balance and nutrient flow during flowering and fruit set stages, contributing to more uniform berry sizing.

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