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Jujube rich in organic selenium and production method thereof

A technology rich in organic selenium and organic fertilizer, applied in the field of agronomic cultivation, can solve the problems of low absorption and utilization of selenium, high toxicity of inorganic selenium, limited absorption capacity, etc., achieve strong flexibility and adjustability, safe and effective selenium form, Simple and easy to operate effect

Inactive Publication Date: 2012-06-27
SUZHOU SETEK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The common disadvantages of the two are that selenium nutrition fortification needs to be carried out many times, including inorganic selenium root application, stalk injection, multiple foliage spraying, etc., the operation is cumbersome, and large labor costs need to be invested; A large amount of selenium, the absorption and utilization of jujube to selenium is low, resulting in the waste of selenium resources, a large amount of selenium flows into the farmland ecosystem, which is easy to cause selenium pollution; there are steps of inorganic selenium foliar spraying in the production process, and plant leaves are not the main The absorption organ has limited absorption capacity, the toxicity of inorganic selenium is high, and the residual inorganic selenium has a greater safety hazard

Method used

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  • Jujube rich in organic selenium and production method thereof
  • Jujube rich in organic selenium and production method thereof
  • Jujube rich in organic selenium and production method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～8

[0035]In a certain jujube planting base, after the jujube is dormant in winter or during the germination period, 50 jujube trees are selected. The row spacing is converted to the implementation amount of a single plant. After mixing the nano-selenium plant nutrient and potassium sulfate (amount of 5kg / mu) evenly, excavate a ring-shaped ditch 80-100cm away from the root of the jujube tree, with a width of 50cm and a depth of 50cm. Sprinkle the mixed nano-selenium plant nutrient and potassium sulfate into the ditch, cover with soil and bury it. After the dates were harvested, the selenium content in each group of dates was detected, and the results are shown in Table 1.

[0036] Embodiment 2~8 other conditions are identical with embodiment 1, difference is the consumption of nano-selenium plant nutrient, the consumption of nano-selenium plant nutrient among the embodiment 2~7 is successively 3,5,8,10,20, 40, 50kg / mu.

[0037] Table 1 Detection results of selenium content in j...

Embodiment 9～14

[0040] In a certain jujube planting base, before the jujube trees bloom, 50 jujube trees are selected, and the usage amount of the nano-selenium plant nutrient is 1kg / mu in embodiment 9, and every 10 trees are an experimental group, and the distance between rows and rows of jujube trees is converted into The amount of implementation per plant. After mixing the nano-selenium plant nutrient and jujube compound fertilizer evenly, excavate a ring-shaped ditch 80-100 cm away from the root of the jujube tree, with a width of 50 cm and a depth of 50 cm. Sprinkle the mixed nano-selenium plant nutrient and compound fertilizer into the ditch, cover with soil and bury it.

[0041] Embodiment 10~14 other conditions are identical with embodiment 9, and difference is the usage amount of nano-selenium plant nutrition agent, and the usage amount of nano-selenium plant nutrition agent in embodiment 10~14 is successively 3,10,25,50,60kg / mu. After the jujubes were harvested, the selenium cont...

Embodiment 15～21

[0045] In a jujube planting base, 50 jujube trees are selected in the jujube flowering stage or jujube young fruit stage, and the usage amount of the nano-selenium plant nutrient in Example 15 is 2kg / mu, and every 10 trees are an experimental group, according to the jujube tree The distance between plants and rows is converted to the implementation amount of a single plant. After mixing the nano-selenium plant nutrient and solid organic fertilizer evenly, excavate a ring-shaped ditch 80-100 cm away from the root of the jujube tree, with a width of 50 cm and a depth of 30 cm. Sprinkle the mixed nano-selenium plant nutrient and organic fertilizer into the ditch, cover with soil and bury it.

[0046] Embodiment 16~21 other conditions are identical with embodiment 15, and difference is the consumption of nano-selenium plant nutrient, the consumption of nano-selenium plant nutrient among the embodiment 16~21 is successively 4,8,15,30,60, 75kg / mu. After the jujubes were harvested,...

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Abstract

The invention discloses a jujube rich in organic selenium and a cultivation method of the jujube rich in organic selenium. The jujube rich in organic selenium has the total selenium content of 10-500 mu g / kg and the ratio of organic selenium in the jujube is not less than 70%. The method is realized by cultivating according to a normal jujube planting method, and the method is characterized by also comprising the step of: applying a nano selenium plant nutritional agent at one or more stages of winter dormancy stage, germination state, blooming stage, young fruit stage and fruit swelling stage in the jujube growth cycle. According to the jujube rich in organic selenium obtained by the method disclosed by the invention, the state of selenium is safer and more effective, the selenium content achieves target content, and jujube rich in organic selenium of different selenium-rich standards can be obtained by adjusting and control.

Description

technical field [0001] The invention relates to a production method of selenium-enriched jujube, which belongs to the technical field of agronomic cultivation. technical background [0002] Selenium is an essential trace element for humans and animals. It has biological properties such as scavenging free radicals, anti-oxidation, anti-aging, anti-cancer, enhancing immunity, and antagonizing heavy metals. The data released by WHO also shows that more than 40 countries in the world belong to low selenium or selenium deficient areas. The source of selenium in the human body mainly depends on dietary intake. Selenium-enriched agricultural by-products are an effective way for the human body to supplement selenium. Therefore, selenium-enriched technology is a hot area of ​​research and development by scientists. [0003] The selenium content of crops is generally affected by factors such as crop species, soil selenium content, some physical and chemical indicators, and agronomic ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/00A01G7/06A01C21/00
Inventor 李伟朱晨光尹雪斌毕德
Owner SUZHOU SETEK
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