Soilless culture method for increasing organic selenium content of spinach

A technology for soilless cultivation and soilless cultivation substrate is applied in the field of soilless cultivation for increasing the organic selenium content of spinach, can solve the problems of poisoning, low bioavailability of selenium salts, narrow intake range, etc., and achieves high nutritional value and enhanced Immunity, simple effect

Inactive Publication Date: 2017-12-12
RENHUAI ZHUHUI VEGETABLE CULTIVATION PROFESSIONAL COOP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the past, people and animals added selenium salts such as sodium selenite to food to supplement selenium, but the bioavai

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A kind of soilless cultivation method that improves spinach organic selenium content, comprises the following steps:

[0021] (1) Preparation of soilless culture substrate, take 300 parts of crop straw, and crush it to a length of 0.5-1.0 cm, mix with 150 parts of animal urine, 100 parts of edible fungus residue, 90 parts of vermiculite, 80 parts of cinder powder, soybean Mix 40 parts of distilled grains, 20 parts of polyacrylamide and 0.4 part of selenium dioxide evenly to obtain the fermentation bottom material. The fermentation bottom material is fermented at 27-30°C, and the material is turned every 12 hours. After 18-20 days of fermentation, ferment The temperature during the process should not exceed 53°C. When red nano-selenium appears in the fermentation bottom material, the fermentation is terminated to obtain decomposed organic matter. After the decomposed organic matter is mixed with 600 parts of fine river sand, a soilless culture substrate containing nano-se...

Embodiment 2

[0025] A kind of soilless cultivation method that improves spinach organic selenium content, comprises the following steps:

[0026](1) Preparation of soilless cultivation substrate, take 350 parts of crop straws, crush them to a length of 0.8-1.2 cm, mix with 180 parts of animal urine, 120 parts of edible fungus residue, 100 parts of vermiculite, 90 parts of cinder powder, soybean Mix 50 parts of distilled grains, 25 parts of polyacrylamide and 0.5 part of selenium dioxide evenly to obtain the fermentation bottom material. The fermentation bottom material is fermented at 28-32°C, and the material is turned every 10 hours. After 18-20 days of fermentation, ferment During the process, the temperature should not exceed 53°C. When red nano-selenium appears in the fermentation bottom material, the fermentation is terminated to obtain decomposed organic matter, and after the decomposed organic matter is mixed with 700 parts of fine river sand, a soilless culture substrate containing...

Embodiment 3

[0030] A kind of soilless cultivation method that improves spinach organic selenium content, comprises the following steps:

[0031] (1) Preparation of soilless culture substrate, take 400 parts of crop straw and crush it to a length of 1.2-1.5 cm, mix with 200 parts of animal urine, 150 parts of edible fungus residue, 120 parts of vermiculite, 100 parts of cinder powder, soybean Mix 60 parts of grains, 30 parts of polyacrylamide and 0.6 part of selenium dioxide evenly to obtain the fermentation bottom material. The fermentation bottom material is fermented at 25-30°C, and the material is turned every 12 hours. After 18-20 days of fermentation, ferment During the process, the temperature should not exceed 53°C. When red nano-selenium appears in the fermentation bottom material, the fermentation is terminated to obtain decomposed organic matter, and after the decomposed organic matter is mixed with 800 parts of fine river sand, a soilless culture substrate containing nano-seleni...

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Abstract

The invention relates to a soilless culture method for increasing organic selenium content of spinach. The soilless culture method mainly includes the steps of preparation of soilless culture substrates, sowing, growth management and picking after maturity to obtain the spinach high in the organic selenium content. During culture, no pesticides or synthetic fertilizer and plant growth regulators are used, so that the cultured spinach is non-toxic and highly safe; during growth management, nutrient solutions are applied, nutrients needed in growth of the spinach are provided, stress resistance of the spinach is increased, pest and disease damage of the spinach is decreased, and the product is green and pollution-free; the organic selenium content of the spinach can be remarkably increased, the spinach is high in nutritive value and good in market prospect, people can be supplemented with required selenium by eating the spinach, immunity is boosted, and physical condition is improved; the soilless culture method is simple, low in cost, good in market prospect and suitable for popularizing to farmers widely.

Description

technical field [0001] The invention belongs to the technical field of soilless cultivation of vegetables, and in particular relates to a soilless cultivation method for increasing the organic selenium content of spinach. Background technique [0002] Vegetables are an indispensable non-staple food in people's daily life and the main source of vitamins, minerals and dietary fiber necessary to maintain human health. With the improvement of residents' living standards, the requirements for the quality of agricultural products, soilless cultivation technology needs to improve the quality and health care function of agricultural products in addition to meeting the requirements of increasing production. Studies have shown that rare elements play an important role in maintaining human and animal health, and selenium has become an important element in the field of health care due to its unique physiological functions. [0003] Selenium is an essential trace mineral nutrient for an...

Claims

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Application Information

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IPC IPC(8): A01G31/00C05G3/00
CPCA01G31/00C05D9/00C05G3/00C05D9/02C05F3/00C05F5/00C05F5/008C05F11/00Y02P60/21
Inventor 王朝学
Owner RENHUAI ZHUHUI VEGETABLE CULTIVATION PROFESSIONAL COOP
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