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Refined humic acid

项目一级品水溶性干基腐植酸%55-65有机质%70-90细度(目)60-150水份%10-35 腐植酸是一种天然的有机大分子化合物的混合物。广泛存在于自然界中,土壤中腐植酸的比例最大,土壤腐植酸是物理化学上的非均相复杂混合物分子量是多分散的,该混合物是由天然的、分子量较高、黄至黑色、无定形、胶状、具有脂肪性和芳香性的有机聚电解质组成,不能用单一的化学结构式表示。作用及特点(1)腐植酸的直接作用促进

Classification:

Other humic acid

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Description

Project indicators

First class product

Water-soluble dry basis humic acid%

55-65

Organic matter%

70-90

Fineness (head)

60-150

Moisture%

10-35

Project indicators

Humic acid is a mixture of natural organic macromolecular compounds, which exists in nature widely. The proportion of humic acid in the soil is the largest. Soil humic acid is a heterogeneous mixture in physical and chemical compounds. The molecular weight is polydisperse. The mixture is composed of natural, high molecular weight, yellow to black, amorphous, colloidal, fatty and aromatic organic polyelectrolytes, which cannot be represented by a single chemical formula.

Functions and characteristics

(1) The direct effect of humic acid

Promote plant growth and increase crop yields.

(2) Indirect effects

1. Physical function

A. Improve soil structure.

B. Prevention of soil cracking and erosion.

C. Increase soil water holding capacity and improve cold resistance.

D. Darken the soil, which is conducive to solar energy absorption.

2. Chemical effects

A. Adjust soil pH value.

B. Improve and optimize plant absorption of nutrients and moisture.

C. Increase soil buffer capacity.

D. Under alkaline conditions, it is a natural chelating agent (chelated with metal ions, promoted by plant absorption).

D. Under alkaline conditions, it is a natural chelating agent (chelated with metal ions, promoted by plant absorption).

F. Improve the solubility of organic fertilizers and reduce fertilizer loss.

G. Transform the nutrient into a state that is easily absorbed by the plant.

H. It can enhance the absorption of nitrogen by plants and reduce the fixation of phosphorus, store elements, such as nitrogen, phosphorus and potassium, etc. into the soil deeply. in addition, it can also accelerate the process of entry of nutrient elements into plants and improve the application effect of inorganic fertilizers. Therefore, humic acid is a "reserve warehouse" of plant nutrients and physiological active substances.

3. Biological effects

A. Stimulate the growth and propagation of beneficial microorganisms in the soil.

B. Improve the plant natural resistance to diseases and insect pests.

 

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