Method for producing organic selenium-enriched rice

A technology rich in organic selenium and rice, applied in the field of agricultural fertilization and agronomy, can solve the problems of reducing the utilization rate of selenium fertilizer, increasing the burden of selenium on selenium, and the loss of selenium fertilizer, so as to achieve easy absorption and utilization by the human body, long accumulation and conversion cycle, The effect of increased conversion rate

Active Publication Date: 2012-06-27
宁夏硒产业发展有限责任公司
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

However, due to the special paddy field planting method of rice, it is easy to cause the loss of selenium fertilizer in the process of paddy field irrigation and water release, which reduces the

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0035] Example 1

[0036] In a rice planting base, when rice seedlings were transplanted, nano-selenium plant nutrients were used to prepare a selenium-enriched nutrient with a selenium concentration of 5ppm in water. Before rice seedlings were transplanted, the seedlings were dipped in the selenium-enriched nutrient and inserted into the field. After the rice was harvested under normal field management, the selenium content of the rice was 42.8μg / kg.

Example Embodiment

[0037] Example 2

[0038] In a rice planting base, when rice seedlings were transplanted, nano-selenium plant nutrients were used to prepare a selenium-enriched nutrient with a selenium concentration of 5ppm with a 0.3% potassium sulfate solution. Before rice transplanting, the seedlings were soaked in the selenium-enriched nutrient Insert into the field. After the rice was harvested under normal field management, the selenium content of the rice was 61.9μg / kg.

Example Embodiment

[0039] Example 3

[0040] In a rice planting base, when transplanting rice seedlings, a selenium-enriched nutrient with a selenium concentration of 5ppm was prepared with inorganic selenium salt and 0.3% potassium sulfate solution. Before rice transplanting, the seedlings were soaked in the selenium-enriched nutrient and inserted into the field . After the rice was harvested under normal field management, the selenium content of the rice was 52.7μg / kg.

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PUM

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Abstract

The invention discloses a method for producing organic selenium-enriched rice, wherein the organic selenium-enriched rice is planted according to a normal rice cultivation method. The method is characterized in that the method comprises the steps of: carrying out root dipping treatment to rice seedlings by using selenium-enriched nutrient before transplanting the rice seedlings, transplanting therice seedlings into a big field, planting according to a conventional rice planting method, harvesting organic selenium-enriched paddy, and processing the organic selenium-enriched paddy to obtain the organic selenium-enriched rice. The selenium-enriched nutrient comprises substances with effective application dose, wherein the substances contain selenium and potassium sulfate,. The selenium content of the rice, obtained by the method, is 50-300mug/kg and is improved by 2-10 times in comparison with that of common rice, organic selenium ratio is greater than or equal to 80% and the standard of the organic selenium-enriched rice is achieved.

Description

technical field [0001] The invention designs a production method of rice rich in organic selenium, which belongs to the technical fields of agricultural fertilization and agronomy. technical background [0002] Rice is the main food crop in my country, and the population whose staple food is rice accounts for about 50% of the total population. my country's rice planting area reaches 29.96 million hectares, with a vast distribution area. Due to historical reasons such as food pressure, my country's rice production used to aim at high yield, and paid less attention to the content of rice microelements. With the increasing living standards of residents and the development of foreign trade, the development of microelement-enriched rice technology will continue to grow. received more attention. [0003] Selenium, the element symbol Se, is an essential trace element for the human body and the active center of glutathione peroxidase (GSH-Px). and other biological properties. The...

Claims

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Application Information

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IPC IPC(8): A01G16/00C05G1/00C05D9/02A01G22/22
Inventor 李伟李飞
Owner 宁夏硒产业发展有限责任公司
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