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Preparation method of compound biological fertilizer for soil controlling

A compound biological fertilizer and soil technology, which is applied in the field of compound biological fertilizer preparation, can solve the problems of short time for fertilizer to exert its fertilizer effect, pollutants are not easy to be absorbed, and incomplete nutrition, etc. It can achieve strong ion exchange capacity, prolong the time of fertilizer effect, improve The effect of physical and chemical properties

Inactive Publication Date: 2018-01-05
黄旭东
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The technical problem to be solved by the present invention: Aiming at the problems that many pollutants in the soil are not easy to be adsorbed, the problems of nitrogen fixation, phosphorus deficiency, and potassium deficiency in the soil are serious, the time for fertilizer to exert its fertilizer effect is short, and the nutrition is not comprehensive, a kind of soil fertilizer is provided. The preparation method of the compound biological fertilizer of treatment

Method used

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  • Preparation method of compound biological fertilizer for soil controlling

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Soil Sample: Orchard Soil

[0033] Biochar modified liquid: 10mol / LHN0 3 Solution, 1mol / LHN0 3 Solution, 1mol / L NaOH solution, and distilled water were mixed uniformly at a volume ratio of 10:18:15:100.

[0034] Azotobacter isolation and screening medium (nitrogen-free medium): in parts by mass, take 8 parts of mannitol, KH 2 P0 4 0.1 parts, MgSO 4 ·7H 2 0 0.02 part, NaCl 0.1 part, CaS0 4 2H 2 0 0.06 parts, CaC0 3 3 parts, 1000 parts of water, 15 parts of agar, pH value 7.2±0.2, sterilized at 121°C for 15 minutes.

[0035] Phospholytic bacteria isolation and screening medium: by mass parts, get 12 parts of glucose, (NH 4 ) 2 SO 4 0.3 part, KCl0.1 part, MgS0 4 ·7H 2 0 0.3 parts, Ca 3 (P0 4 ) 2 12 parts, FeS0 4 ·7H 2 0 0.02 parts, MnS0 4 4H 2 0.02 parts, 1000 parts of water, 15 parts of agar, pH value 7.0±0.2, sterilized at 121°C for 15 minutes.

[0036] Potassium-solubilizing bacteria isolation and screening medium: by mass parts, take 12 parts of...

Embodiment 2

[0043] Soil Sample: Orchard Soil

[0044] Biochar modified liquid: 10mol / LHN0 3 Solution, 1mol / LHN0 3 Solution, 1mol / L NaOH solution, and distilled water were mixed uniformly at a volume ratio of 10:18:15:100.

[0045] Azotobacter isolation and screening medium (nitrogen-free medium): by mass parts, take 9 parts of mannitol, KH 2 P0 4 0.2 parts, MgSO 4 ·7H 2 0 0.04 part, NaCl 0.1 part, CaS0 4 2H 2 0 0.08 parts, CaC0 3 4 parts, 1000 parts of water, 17 parts of agar, pH value 7.2±0.2, sterilized at 121°C for 15 minutes.

[0046] Phospholytic bacteria isolation and screening medium: by mass parts, get 13 parts of glucose, (NH 4 ) 2 SO 4 0.4 parts, KCl0.2 parts, MgS0 4 ·7H 2 0 0.4 parts, Ca 3 (P0 4 ) 2 14 parts, FeS0 4 ·7H 2 0 0.06 parts, MnS0 4 4H 2 0.04 parts, 1000 parts of water, 17 parts of agar, pH value 7.0±0.2, sterilized at 121°C for 15 minutes.

[0047] Potassium-solubilizing bacteria isolation and screening medium: by mass parts, take 13 parts of ...

Embodiment 3

[0054] Soil Sample: Orchard Soil

[0055] Biochar modified liquid: 10mol / LHN0 3 Solution, 1mol / LHN0 3 Solution, 1mol / L NaOH solution, and distilled water were mixed uniformly at a volume ratio of 10:18:15:100.

[0056] Azotobacter isolation and screening medium (nitrogen-free medium): in parts by mass, take 10 parts of mannitol, KH 2 P0 4 0.3 parts, MgSO 4 ·7H 2 0 0.05 part, NaCl 0.2 part, CaS0 4 2H 2 0 0.1 parts, CaC0 3 5 parts, 1000 parts of water, 20 parts of agar, pH value 7.2±0.2, sterilized at 121°C for 15 minutes.

[0057] Phospholytic bacteria isolation and screening medium: by mass parts, get 15 parts of glucose, (NH 4 ) 2 SO 4 0.5 parts, KCl0.3 parts, MgS0 4 ·7H 2 0 0.5 parts, Ca 3 (P0 4 ) 2 15 parts, FeS0 4 ·7H 2 0 0.07 parts, MnS0 4 4H 2 0.08 parts, 1000 parts water, 20 parts agar, pH value 7.0±0.2, sterilized at 121°C for 15 minutes.

[0058] Potassium-solubilizing bacteria isolation and screening medium: by mass parts, take 15 parts of sucr...

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Abstract

The invention relates to the field of soil improving agents, in particular to a preparation method of a compound biological fertilizer for soil controlling. The preparation method has the advantages that the waste biomass is prepared into charcoal, the charcoal is modified, and the surface contains carboxyl and other function groups, so that the stronger ion exchange ability is realized, and the pollutants in soil can be adsorbed; the nitrogen fixing, phosphor decomposing and potassium decomposing strains are separated from the garden soil, the nitrogen-fixing bacteria are used for fixing nitrogen and excreting auxin, the phosphor decomposing and potassium decomposing bacteria are used for converting invalid potassium and invalid phosphor in the soil into quick-acting potassium and quick-acting phosphor, the multiple elements of silicon, manganese, zinc, molybdenum and the like in the soil can be released out, and the nutrition level is improved; the phosphor decomposing and potassiumdecomposing bacteria are used for producing gibberellin, cytokinin, indoleacetic acid and other matters in life activity, and the plant growth is promoted; by mixing organic and inorganic fertilizers,the effectivity of nutrients in the fertilizer is improved, and the soil quality is improved; by adding an adhesive, the mixed fertilizer is wrapped, the fertilizer with slow release effect is formed, the decomposing is easy, the fertility time is prolonged, and the utilization rate of the fertilizer is improved.

Description

technical field [0001] The invention relates to the field of soil improvers, in particular to a method for preparing compound biological fertilizer for soil treatment. Background technique [0002] Biochar is a kind of highly aromatic and insoluble solid substance produced by pyrolysis and carbonization of biomass under complete or partial anoxic conditions. Biochar mostly has a loose microporous structure. Based on this, in recent years, the application of biochar as a soil improver and fertilizer slow-release carrier in agriculture has attracted more and more attention. Common biochars include straw charcoal, coconut shell charcoal, charcoal, bamboo charcoal, etc. Although biochar can be used as a fertilizer, it has less microporous structure, lower specific surface area, and less nutrients including trace elements retained, so it is generally necessary to add other fertilizers when using it. [0003] Biochar belongs to the category of black carbon, which is important in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05G3/04C12N1/20C05G3/80
Inventor 张永华李璐尹凯欣
Owner 黄旭东
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