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Biological inorganic complex fertilizer

A compound fertilizer and bio-fertilizer technology, applied in the direction of organic fertilizers, fertilizer mixtures, fertilization devices, etc., can solve the problems of not fully ensuring microbial activity, reducing the nutrient content of compound fertilizers, limiting the amount of chemical fertilizers, etc., to overcome the technical problems Obstacles, promotion of growth and reproduction, and the effect of simplifying fertilization operations

Inactive Publication Date: 2005-01-19
DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Experimental research results show that if biological fertilizers and chemical fertilizers are used together, in addition to producing their own inherent fertilizer effects, they can also improve the effective utilization of chemical fertilizers, reduce their loss, and produce synergistic effects between each other; what needs to be pointed out here Yes, biological fertilizers cannot be directly mixed with instant chemical fertilizers, because after the instant chemical fertilizers are dissolved in water, a hypertonic solution is formed on the surface of microorganisms, which may lead to the inactivation of microorganisms and the loss of biological fertilizers.
[0003] Currently known technology (such as: Chinese patent application CN 1092397A and CN 1106366A), in addition to microorganisms and instant chemical fertilizers, more organic matter has also been added in the compound fertilizer; Contact, so the activity of microorganisms cannot be fully guaranteed; the added organic matter is limited by the amount of fertilizer applied, and has little effect on the soil. On the contrary, it limits the amount of chemical fertilizers added, thereby reducing the nutrient content of compound fertilizers

Method used

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  • Biological inorganic complex fertilizer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Get 5 kilograms of slow and controlled release chemical fertilizers (spherical particles, nitrogen, phosphorus, potassium total content 36%), mix with 2 kilograms of bentonite in the water chestnut type granulator, roll and granulate at 50 ° C for 5 minutes, and spray liquid at the same time Phosphorous bacteria fertilizer dilution 300 milliliters (200,000,000 of phosphorus-containing bacteria per milliliter); Through drying, cooling, get 6.8 kilograms of compound fertilizers of the present invention, its nitrogen, phosphorus, potassium total content 26.5%, every gram contains effective viable count 5.1×10 6 indivual.

Embodiment 2

[0020] Get 5 kilograms of slow and controlled release chemical fertilizers (spherical particles, nitrogen, phosphorus, potassium total content 39%), get 5 kilograms of slow and controlled release chemical fertilizers, mix with attapulgite 2.5 kilograms in water chestnut type granulator, at 50 ℃ Roll down and granulate for 6 minutes, and spray 350 milliliters of liquid potassium bacterial fertilizer dilutions (200,000,000 potassium-containing bacteria per milliliter) simultaneously; Through drying, cooling, obtain 7.2 kilograms of compound fertilizers of the present invention, and its nitrogen, phosphorus, potassium total The content is 27.1%, and the number of effective viable bacteria per gram is 5.6×10 6 indivual.

Embodiment 3

[0022] Get 5 kilograms of slow and controlled release chemical fertilizers (spherical particles, nitrogen, phosphorus, potassium total content 39%), in the water chestnut type granulator with 1.5 kilograms of attapulgite, 0.5 kilograms of calcium magnesium phosphate fertilizer (containing P 2 o 5 16%), 250 grams of solid biological phosphorus-potassium compound fertilizer (every gram of phosphorus-containing bacteria and potassium bacteria are 200 million) mixed, rolled and granulated for 5 minutes at 50°C, and sprayed 320 milliliters of sterile water simultaneously; after drying, Cooling, get 6.8 kilograms of compound fertilizers of the present invention, its nitrogen, phosphorus, potassium total content 29.7%, every gram containing effective viable bacteria number is 5.0 * 10 6 indivual.

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Abstract

The invention discloses a biological inorganic complex fertilizer wherein the slow release chemical fertilizer particles are used as the cores, coated by bio-fertilizer and inorganic wrapper, thus realizing the dual functions of bio-fertilizers and chemical fertilizers, the availability for the chemical fertilizers is substantially increased, and the leak rate is reduced.

Description

technical field [0001] The invention relates to a compound fertilizer of microbial fertilizer and chemical fertilizer, in particular to a biological-inorganic compound fertilizer. Background technique [0002] Experimental research results show that if biological fertilizers and chemical fertilizers are used together, in addition to producing their own inherent fertilizer effects, they can also improve the effective utilization of chemical fertilizers, reduce their loss, and produce synergistic effects between each other; what needs to be pointed out here Yes, biological fertilizers cannot be directly mixed with instant chemical fertilizers. This is because the instant chemical fertilizers dissolve in water and form a hypertonic solution on the surface of microbial cells, which may lead to the inactivation of microorganisms and the loss of biological fertilizers. [0003] Currently known technology (such as: Chinese patent application CN 1092397A and CN 1106366A), in additio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05F11/08C05G3/00
Inventor 卜宗式白景竑张永利李洋左秀锦马小军
Owner DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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