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Special selenium-rich nutrient solution for greenhouse crops and preparation method of special selenium-rich nutrient solution

A nutrient solution and selenium-enriched technology, applied in the field of plant nutrient solution, can solve the problem that selenium element selenoamino acids cannot be guaranteed, and achieve the effects of improving cell activity, improving physiological resistance and facilitating absorption

Inactive Publication Date: 2019-05-14
广西壮佳霖农业投资有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The organic selenium that can be absorbed by crop leaves is selenoamino acid (selenomethionine, selenocystine, selenocysteine, etc.), but the

Method used

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  • Special selenium-rich nutrient solution for greenhouse crops and preparation method of special selenium-rich nutrient solution
  • Special selenium-rich nutrient solution for greenhouse crops and preparation method of special selenium-rich nutrient solution

Examples

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Example Embodiment

[0029] Example 1

[0030] The selenium-enriched nutrient solution for greenhouse crops provided in this embodiment is composed of the following raw materials by weight: 18 parts of whey powder, 13 parts of humic acid, 3 parts of fulvic acid, 4 parts of mushroom residue, 5 parts of garlic, 8 parts of eggshell, 12 parts of soybean meal, 11 parts of fermented straw and 3 parts of selenium-enriched hydrolysate of probiotic source.

[0031] This embodiment also provides a method for preparing the above-mentioned selenium-enriched nutrient solution for greenhouse crops, which specifically includes the following steps:

[0032] (1) Preparation of selenium-enriched yeast

[0033] Perform mutagenesis on yeast and screen out mutant strains resistant to selenite, then perform 3 rounds of mutagenesis and screening to obtain yeast mutant strains, and then inoculate the yeast mutant strains obtained through strain screening in fermentation medium for cultivation , Fermentation is carried out in a ...

Example Embodiment

[0042] Example 2

[0043] The selenium-enriched nutrient solution for greenhouse crops provided in this embodiment is composed of the following raw materials in parts by weight: 27 parts of whey powder, 18 parts of humic acid, 6 parts of fulvic acid, 5 parts of mushroom residue, 7 parts of garlic, 12 parts of eggshell, 16 parts of soybean meal, 15 parts of fermented straw and 5 parts of selenium-enriched hydrolysate of probiotic source.

[0044] This embodiment also provides a method for preparing the above-mentioned selenium-enriched nutrient solution for greenhouse crops, which specifically includes the following steps:

[0045] (1) Preparation of selenium-enriched yeast

[0046] Perform mutagenesis on yeast and screen out mutant strains resistant to selenite, then perform 3 rounds of mutagenesis and screening to obtain yeast mutant strains, and then inoculate the yeast mutant strains obtained through strain screening in fermentation medium for cultivation , Fermentation is carried...

Example Embodiment

[0055] Example 3

[0056] The selenium-enriched nutrient solution for greenhouse crops provided in this embodiment is composed of the following raw materials by weight: 36 parts of whey powder, 24 parts of humic acid, 8 parts of fulvic acid, 6 parts of mushroom residue, 9 parts of garlic, 16 parts of eggshell, 20 parts of soybean meal, 19 parts of fermented straw and 7 parts of selenium-enriched hydrolysate of probiotic source.

[0057] This embodiment also provides a method for preparing the above-mentioned selenium-enriched nutrient solution for greenhouse crops, which specifically includes the following steps:

[0058] (1) Preparation of selenium-enriched yeast

[0059] Perform mutagenesis on yeast, screen out mutant strains resistant to selenite, then perform 4 rounds of mutagenesis and screening to obtain yeast mutant strains, and then inoculate the yeast mutant strains obtained through strain screening in fermentation medium for culture , Fermentation is carried out in a fed-ba...

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Abstract

The invention provides a special selenium-rich nutrient solution for greenhouse crops and a preparation method of the special selenium-rich nutrient solution, and relates to the technical field of plant nutrient solutions. The special selenium-rich nutrient solution for the greenhouse crops is prepared from the following raw materials in parts by weight: 13 to 24 parts of humic acid, 3 to 8 partsof fulvic acid, 4 to 6 parts of mushroom residues, 5 to 9 parts of garlic, 8 to 16 parts of eggshell, 12 to 20 parts of soybean meal, 11 to 19 parts of fermented straw and 3 to 7 parts of probiotic-derived selenium-rich hydrolysate. According to the special selenium-rich nutrient solution for the greenhouse crops, disclosed by the invention, no harmful substances are not added from a formula to the production process; the obtained nutrient solution has a scientific and reasonable formula and can provide nutrients for the growth of crops; in addition, through a series of scientific preparationmeans, the nutrient solution is rich in organic selenium (active ingredients are selenomethionine, selenocystine, selenocysteine and the like), and the content of selenium in the crops can be effectively improved after application, so that edible value and economic benefits of the crops are improved.

Description

【Technical field】 [0001] The invention relates to the technical field of plant nutrient solutions, in particular to a special selenium-enriched nutrient solution for greenhouse crops and a preparation method thereof. 【Background technique】 [0002] In my country, more than 60% of the land lacks selenium, so the selenium content of agricultural products is generally insufficient. According to the "Reference Intake of Dietary Nutrients for Chinese Residents" formulated by my country in 2000, the daily intake of selenium for adults over the age of 18 should be more than 50 micrograms (50 μg / d), which is the daily average intake recommended by the World Health Organization (WHO). The amount is 50-200μg / d, but the actual average daily intake of Chinese residents is only 27μg. Some areas of our country are extremely deficient in selenium, and the situation is even more serious. Selenium plays an important role in preventing cancer, anti-oxidation and improving immunity in the hum...

Claims

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Application Information

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IPC IPC(8): C05F17/00C05G3/00C05G3/04C05G3/80
CPCY02W30/40
Inventor 宋月家阮燕春郭昌永蒙健宗游斌李勤英李保权宋兆婷潘文忠陆海姣宋佳
Owner 广西壮佳霖农业投资有限公司
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