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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: 2013-06-19
宁夏硒产业发展有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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 utilization rate of selenium fertilizer, and the lost selenium is easy to increase the burden of selenium in the soil and water environment, and long-term use is easy to cause selenium. Pollution

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] In a rice planting base, when rice is transplanted, a selenium-enriched nutrient with a selenium concentration of 5 ppm is prepared with water using a nano-selenium plant nutrient. Before rice transplanting, the seedlings are dipped in the selenium-enriched nutrient and inserted into the field. After harvesting the rice under normal field management, the selenium content of the rice was detected to be 42.8 μg / kg.

Embodiment 2

[0038] In a rice planting base, when transplanting rice seedlings, use nano-selenium plant nutrients and 0.3% potassium sulfate solution to prepare a selenium-rich nutrient with a selenium concentration of 5ppm. Before rice transplanting, soak the seedlings in the selenium-rich nutrient Insert into the field. After harvesting the rice under normal field management, the selenium content of the rice was detected to be 61.9 μg / kg.

Embodiment 3

[0040]In a rice planting base, when rice is transplanted, inorganic selenium salt and 0.3% potassium sulfate solution are used to prepare a selenium-enriched nutrient with a selenium concentration of 5 ppm. . After harvesting the rice under normal field management, the selenium content of the rice was detected to be 52.7 μg / kg.

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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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Patent Type & Authority Patents(China)
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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