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Biological phosphatic fertilizer as well as preparation method thereof

A biological phosphate fertilizer and phosphate fertilizer technology, applied in fertilization devices, fertilizer mixtures, applications, etc., can solve problems such as being unsuitable for the development of water and fertilizer integration, easily blocking water pipelines, and limiting the rate of dissolved phosphorus, reducing the amount of pesticides, The effect of accelerated dissolution rate, convenient storage and transportation

Active Publication Date: 2014-09-03
内蒙古和盛生态科技研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The fungi used in this invention are phosphate-solubilizing bacteria and iron-solubilizing bacteria, which have little effect on other components in low-grade phosphate rock and have a certain impact on the utilization of fertilizers, and the obtained products are in a suspended liquid state, which is not easy to transport and has a long production cycle
[0007] According to the above, the current biological phosphate fertilizer in my country is mainly to add a single phosphate solubilizing bacteria, mix it with phosphate fertilizer, low-grade phosphate rock or organic matter, make it generate organic acid, and improve the phosphorus dissolution rate in phosphate fertilizer, low-grade phosphate rock and organic matter; and Most of them are fermented, adsorbed or mixed with a single fungus, so the phosphorus dissolution rate is greatly limited, and its water solubility is poor, and it is easy to block the water pipeline when fertilizing with water, which is not suitable for the integrated development of water and fertilizer in modern agriculture.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0063] A kind of biological phosphate fertilizer, its composition is as follows:

[0064] 20% monoammonium phosphate, 10% heavy superphosphate, 40% ammonium nitrate, 20% organic matter, 5% mixed strains, 3% polyaspartic acid, 1.5% trace elements, 0.5% tragacanth gum, which is mixed The strain ratio is: AM mycorrhizal Glomus 25%, Phosphobacterium Pseudomonas: 50%, Rhizobium nitrogen-fixing Rhizobium 25%;

[0065] Its preparation method steps are as follows:

[0066] 1) Bacteria culture: Inoculate the AM mycorrhizal Glomus in the AM mycorrhizal medium with a pH of 6.5~7.5, the AM mycorrhizal volume accounts for 10%~20% of the medium, and set the culture temperature At 25°C~28°C, vibrate culture in a constant temperature shaker, set the speed at 100r / min~150r / min, after 4~6 days of culture, it will be the AM mycorrhizal endoglobus group;

[0067] Inoculate Pseudomonas Pseudomonas phosphate solubilizer in pH 8.0~8.6 medium of Pseudomonas phosphate solubilizer, the volume of Pse...

Embodiment 2

[0079] A kind of biological phosphate fertilizer, its composition is as follows:

[0080] Diammonium phosphate 20%, calcium superphosphate 20%, ammonium sulfate 20%, organic matter 15%, mixed strains 10%, humic acid 2%, trace elements 2%, sodium alginate 1%, the ratio of mixed strains For: AM mycorrhizal Glomus moses 35%, phosphate solubilizing bacteria Aspergillus niger: 45%, nitrogen-fixing rhizobia 25%;

[0081] Its preparation method steps are as follows:

[0082]1) Bacteria culture: Inoculate AM mycorrhizal Glomus mosei into AM mycorrhizal medium with a pH of 6.5~7.5, the volume of AM mycorrhizal accounts for 10%~20% of the medium, and the culture temperature is set at 25 ℃ ~ 28 ℃, shaking culture in a constant temperature shaker, set the speed at 100r / min ~ 150r / min, after 4 to 6 days of culture, it is the AM mycorrhizal Glomus mosei fungus;

[0083] Inoculate the phosphate solubilizing bacteria Aspergillus niger in the phosphate solubilizing bacteria culture medium w...

Embodiment 3

[0094] A kind of biological phosphate fertilizer, its composition is as follows:

[0095] 40% urea, 15% monoammonium phosphate, 15% potassium dihydrogen phosphate, 25% mixed bacteria, 10% organic matter, 2% double sodium nitrate, 2% trace elements, 1% hyaluronic acid, and the mixed bacteria ratio For: Phosphorus solubilizing bacteria Penicillium fungus: 50%, AM mycorrhizal Glomus mosei 25%, nitrogen-fixing rhizobia 25%;

[0096] Its preparation method steps are as follows:

[0097] 1) Bacteria culture: Inoculate AM mycorrhizal Glomus mosei into AM mycorrhizal medium with a pH of 6.5~7.5, the volume of AM mycorrhizal accounts for 10%~20% of the medium, and the culture temperature is set at 25 ℃ ~ 28 ℃, shaking culture in a constant temperature shaker, set the speed at 100r / min ~ 150r / min, after 4 to 6 days of culture, it is the AM mycorrhizal Glomus mosei fungus;

[0098] Inoculate the phosphate solubilizing bacterium Penicillium fungus in the phosphate solubilizing bacteria...

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Abstract

The invention discloses a biological phosphatic fertilizer. The preparation method of the phosphatic fertilizer comprises the following steps: culturing AM mycorrhiza, phosphate solubilizing bacteria and rhizobium respectively, mixing with a phosphatic fertilizer to react, then adding various nutritional elements required for plants, and mixing and granulating to obtain porous fertilizer particles, so that the contact area between the fertilizer and water is increased, and the dissolving velocity of the fertilizer in water is accelerated. The biological phosphatic fertilizer can activate the phosphatic fertilizer, and can improve the absorption of the phosphatic fertilizer by plants, increase the utilization ratio of the phosphatic fertilizer, reduce the using quantity of the fertilizer and reduce the pollution to the environment; the fertilizer can be rapidly dissolved in water for irrigation and fertilization together with water, and is suitable for modern agricultural water and fertilization integration.

Description

technical field [0001] The invention belongs to the field of biological phosphate fertilizers for crops, and more precisely relates to a synergistic biological phosphate fertilizer suitable for the integration of water and fertilizer in modern agriculture. Background technique [0002] As my country's population continues to increase, the demand for food continues to increase. Chemical fertilizers play an important role in increasing the yield of food crops. The extensive use of chemical fertilizers in my country has increased the pressure on resources and the environment. Under such an urgent situation, the direction of my country's agricultural development needs to be transformed into intensive production with rational use of resources. Therefore, research on fertilizers that can improve fertilizer utilization, reduce fertilizer consumption, and reduce environmental burdens is the focus of modern agricultural development. The nutrient requirements of crops are divided into...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00
Inventor 陈庆张芝媛
Owner 内蒙古和盛生态科技研究院有限公司
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