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Preparation of sugar alcohol organic selenium-rich foliar fertilizer by fermentation method

A technology of selenium-enriched foliar fertilizer and fermentation method, applied in the field of agriculture and forestry production, can solve the problems of low bioavailability, low titer, water quality and environmental pollution, etc., and achieve the effects of increasing product yield and promoting crop growth.

Inactive Publication Date: 2014-03-12
GUANGXI NEW ORIENTATION CHEM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, most of the selenium fertilizers sold on the market are inorganic selenium, namely sodium selenite or potassium selenium phosphate; inorganic selenium fertilizers not only have low potency when used, but also have low bioavailability, and long-term use will also pollute water quality and the environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0016] Step 1: under stirring, add 10 parts of carbon source (mass mixture of tapioca starch, cornstarch, molasses, etc.) and nitrogen source (urea and ammonium chloride are mixed in a mass ratio of 2:1) to a fermenter equipped with 80 parts of distilled water 4 parts, 0.2 parts of inorganic salt (mixed with magnesium sulfate, potassium dihydrogen phosphate, etc.), fully stirred and dissolved, sterilized at 130°C for 25 minutes, and left to cool.

[0017] Step: 2: Insert the activated Torula sporogenes strain, the inoculum amount is 10%, the ventilation rate is 7L / min, cultivate at 28°C for 30 hours, and add 20 parts of sterilized supplements respectively at 8 hours, 12 hours and 18 hours after inoculation. Sterilized after fermentation.

[0018] Step 3: Add 0.5 parts of maltotriitol, 1.5 parts of sweet alcohol, 8 parts of potassium dihydrogen phosphate, 8 parts of potassium nitrate, 0.1 part of surfactant, and 0.1 part of diethyl diethylhexanoate into the fermentation broth, ...

specific Embodiment approach 2

[0019] Step 1: under stirring, add 10 parts of carbon source (mass mixture of tapioca starch, chitosan oligosaccharide, sucrose, etc.) and nitrogen source (urea and ammonium sulfate are mixed in a mass ratio of 2: 1) to a fermenter equipped with 80 parts of distilled water 4 parts, 0.1-1 part of inorganic salt (magnesium sulfate, potassium dihydrogen phosphate, etc. mixed in mass), fully stirred and dissolved, sterilized at 130°C for 25 minutes, and left to cool.

[0020] Step: 2: Insert the activated Torula sporogenes strain, the inoculum amount is 10%, the ventilation rate is 6L / min, cultivate at 25°C for 25-35h, and add sterilized feed 20 h, 12h, and 18h ​​after inoculation, respectively. share. Sterilized after fermentation.

[0021] Step 3: Add 0.5 parts of maltotriitol, 1.5 parts of allicitol, 10 to 20 parts of potassium dihydrogen phosphate, 10 to 20 parts of potassium nitrate, 0.1 parts of surfactant, and 0.1 parts of diethyl diethylhexanoate to the fermentation broth...

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Abstract

The invention relates to production of selenium-rich organic fertilizer, and is applied to the field of agriculture and forestry production. Yeast is introduced in a culture medium consisting of cassava starch, corn starch, urea, monopotassium phosphate and ammonium sulfate; needed nutrient substances of inorganic selenium and the yeast are added through the batch feeding method; the inorganic selenium is converted into organic selenium. Then sugar alcohol and nutrient elements needed by a plurality of plants are added to prepare sugar alcohol high-efficiency organic selenium-rich fertilizer. The product has excellent water solubility and spreadability, can quickly promote the plant growth, and can improve the plant yield and quality, in particular improve the selenium content of agricultural products.

Description

technical field [0001] The invention relates to the production of selenium-enriched organic fertilizer, which is applied in the field of agriculture and forestry production, especially the production of selenium-enriched organic food with high economic value. Background technique [0002] Selenium is one of the essential trace elements needed by the human body, and is closely related to human health. Studies have shown that selenium not only has the functions of anti-cancer and improving the body's immunity, but also has anti-oxidation, antagonizes harmful metals, regulates the absorption and utilization of vitamins, and regulates protein. Synthetic, muscular and reproductive functions. [0003] Since there is no long-term selenium storage organ in the human body, the selenium needed by the body should be continuously obtained from the diet. However, the distribution of selenium in the soil is very uneven. Supplementing crops with selenium fertilizer artificially can not on...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00
Inventor 陈成吴宁潘巨武
Owner GUANGXI NEW ORIENTATION CHEM IND
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