fulvic acid

Functions of fulvic acid used in Agriculture

First, water retention

The fulvic acid is a colloidal organic substance, which can loosen the soil, absorb a large amount of water, ventilate and humidify, raise cockroaches, prevent drought, and make the soil have good water, gas and heat conditions, suitable for seed germination and seedling stage. Growing.

Second, improve saline-alkali land

The fulvic acid has a small molecular weight and high activity, and can adsorb harmful cations in the soil, thereby reducing the concentration of salt in the soil, reducing the damage of the salt to the seeds and seedlings, and improving the saline-alkali land.

Third, drought resistance, cold resistance

  1. The application of fulvic acid to plant leaves can close the stomata of plants and reduce the transpiration of plants.
  2. Fulvic Acid color is deep, is conducive to the absorption of solar energy; fulvic acid will be released by the action of microorganisms will release heat, can increase the ground temperature, thereby playing a role in cold resistance.

Fourth, resistance to pests and diseases

Fulvic acid can increase the activity of enzymes in plants and increase the resistance of plant organisms.

Five, prevent heavy metal pollution

The fulvic acid participates in the ion exchange reaction in the soil, and adsorbs and fixes the heavy metal ions in the soil to prevent them from entering the biological cycle.

Sixth, improve fertilizer efficiency

Nitrogen fixation: Nitrogen is applied to the soil and is easily volatilized into the atmosphere or lost to the river with water and soil. The fulvic acid can adsorb nitrogen in the soil, reduce its volatilization and loss, and improve the utilization rate.

Solution of phosphorus: Phosphorus is applied to the soil and is easily fixed by the soil. Fulvic acid can liberate phosphorus from the soil by chelation with phosphorus, which is used for plant absorption and improves phosphorus utilization.

Activated potassium: Most of the potassium elements applied to the soil exist in the form of potassium salts and cannot be directly absorbed by the crops. The fulvic acid can convert the poorly soluble potassium into soluble potassium through the ion exchange function, increase the effective potassium in the soil, and improve the utilization of potassium.

micro-fertilizer: fulvic acid can chelate reaction with poorly soluble trace elements, and produce humic acid trace element chelate which is well absorbed by crops, which is beneficial to root and leaf surface absorption of trace elements.

Seven, promote the growth and development of crops

1, fulvic acid can stimulate root growth, and ultimately the ability of crops to absorb water and nutrients is greatly enhanced
2, the stimulating effect of fulvic acid can make the above-ground part of the vegetative body grow vigorously. Expressed in plant height, stem diameter, leaf thickness, etc.

The fulvic acid has a good effect on tilling and reducing the openness rate, which can increase the grain weight and increase the grain yield.

Eight, adjust the soil pH

There are many fulvic acid functional groups, which can be combined with acid and combined with alkali to adjust the pH of the soil according to crop needs.

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