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Soilless culture method improving content of organic selenium of cauliflowers

A technology of soilless cultivation and soilless cultivation substrate, which is applied in the field of soilless cultivation to increase the content of organic selenium in cauliflower, which can solve the problems of long process of obtaining biological selenium, increased fertilizer cost, high requirements, etc., so as to improve the ability of resistance to diseases and insect pests , improve health, and increase yield

Inactive Publication Date: 2015-05-06
陈程 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the high requirements for the preparation and storage process of commercially available nano-selenium, the acquisition of biological selenium requires a long process and a high price, resulting in an increase in the cost of fertilizers

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

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

[0026] (1) Preparation of soilless culture medium: 300 parts of crop straws were crushed to a length of 2 cm, mixed evenly with 120 parts of animal urine, 400 parts of industrial and agricultural by-products, and 0.3 parts of selenium dioxide to obtain a fermentation base material. The material is fermented at 28°C, and the material is turned over every 12 hours. After 21 days, when red nano-selenium appears in the fermentation bottom material, the fermentation is ended to obtain decomposed organic matter.

[0027] Mix 600 parts of decomposed organic matter and machine-made sand evenly to obtain a soilless culture substrate containing nano-selenium; the particle size of the machine-made sand is 1cm;

[0028] (2) Seedling selection: select robust cauliflower seedlings with a height of 6 cm, soak the roots of the cauliflower seedlings with 0.3% pota...

Embodiment 2

[0032] A kind of soilless culture method that improves cauliflower organic selenium content, comprises the following steps:

[0033] (1) Preparation of soilless culture medium: 350 parts of crop straws were crushed to a length of 1 cm, mixed evenly with 100 parts of animal urine, 350 parts of industrial and agricultural by-products, and 0.1 part of selenium dioxide to obtain a fermentation base material. The material is fermented at 30°C, and the material is turned over every 12 hours. After 14 days, when red nano-selenium appears in the fermentation bottom material, the fermentation is ended to obtain decomposed organic matter.

[0034] Mix well the decomposed organic matter and 1000 parts of machine-made sand to obtain a soilless cultivation substrate containing nano-selenium; the particle size of the machine-made sand is 2cm;

[0035] (2) Seedling selection: select robust cauliflower seedlings with a height of 10 cm, soak the roots of cauliflower seedlings with 0.6% p...

Embodiment 3

[0039] A kind of soilless culture method that improves cauliflower organic selenium content, comprises the following steps:

[0040](1) Preparation of soilless culture medium: crush 400 parts of crop straws to a length of 0.5 cm, mix them with 150 parts of animal urine, 500 parts of industrial and agricultural by-products, and 0.4 parts of selenium dioxide to obtain a fermentation base material. The material is fermented at 32°C, and the material is turned over every 12 hours. After 20 days, when red nano-selenium appears in the fermentation bottom material, the fermentation is ended to obtain decomposed organic matter.

[0041] Mix the decomposed organic matter and 800 parts of machine-made sand evenly to obtain a soilless culture substrate containing nano-selenium; the particle size of the machine-made sand is 1.5cm;

[0042] (2) Seedling selection: Select robust cauliflower seedlings with a height of 8 cm, soak the roots of the cauliflower seedlings with 0.5% potassium p...

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Abstract

The invention relates to a soilless culture method improving the content of organic selenium of cauliflowers. The method includes the operation steps that firstly, soilless culture media containing nano-selenium are prepared, then strong cauliflower seedlings are selected, the roots of the cauliflower seedlings are sterilized and then transplanted to customized grooves in a greenhouse, the customized grooves are filled with the soilless culture media containing the nano-selenium, fertilizing, watering, disaster prevention and other management are carried out on the cauliflowers through a conventional method, fruits are picked after being mature, and the cauliflowers high in organic selenium content are obtained. According to the method, the soilless culture media containing the nano-selenium are used for culturing the cauliflowers, the yield of the cauliflowers and the content of the organic selenium in the fruits can be remarkably increased, economical benefits are good, nutritional value and health-care value of the cauliflowers are high, use of fertilizers and pesticides can be reduced, cost is low, the cauliflowers are environmentally friendly and free of public hazards, and the method is suitable for large-scale popularization.

Description

technical field [0001] The invention relates to a vegetable soilless cultivation technique, in particular to a soilless cultivation method for increasing the organic selenium content of cauliflower. Background technique [0002] my country is facing severe challenges from population growth and land reduction. The population accounts for 1 / 4 of the world's total population, but its arable land area is only 1 / 7 of the world's total arable land area. According to statistics in 2000, the national per capita arable land is only 0.01 hm2, soilless cultivation can provide several times or even more than ten times the quantity of products than ordinary soil cultivation, and can use sandy beaches, saline-alkali and other barren lands to produce agricultural products, laying a solid foundation for the food safety guarantee system. my country is a country with very poor water quality resources, and is listed as one of the 13 water-poor countries in the world. The per capita water resour...

Claims

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Application Information

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IPC IPC(8): A01G31/00
CPCA01G24/00A01G31/00Y02P60/21
Inventor 陈程林国友罗生芳
Owner 陈程
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