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Red date selenium-enriched fertilizing method

A fertilization method and jujube technology, applied in fertilization methods, fertilization devices, cultivation, etc., can solve the problems of not meeting human health food needs, and achieve the effect of increasing the selenium content of jujube

Inactive Publication Date: 2010-10-20
NORTHWEST A & F UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Selenium is an important trace element for life and health. At present, the selenium content in food does not meet the needs of human health food. Research and development of selenium-enriched food production research is a very important task

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] In the mountainous area in the suburbs of Xi'an, 5 red jujube trees were selected as selenium-enriched objects. During the flowering period, this embodiment selected on May 15, and until the young fruit stage, on July 15, the soil where the 5 red jujube trees were located was applied with inorganic Selenium fertilizer Na 2 SeO 3 1:2000 times solution.

[0020] In the young fruit stage, choose June 15, and inject Na to the stems of the five jujube trees 2 SeO 3 1:100 times the solution, the stem is fertilized by stem pith injection fertilization, put the prepared solution into the infusion bottle, make an oblique hole at the trunk of the jujube tree 20cm above the ground, and use the medical infusion set to inject the solution into the trunk pith for the jujube tree absorb.

[0021] When the above-mentioned jujubes entered the period of rapid fruit expansion, that is, around July 5, Na was sprayed on the leaves of the five jujube trees. 2 SeO31: 100-200 times soluti...

Embodiment 2

[0023] In the mountainous area of ​​the loess hilly area in Yan'an, Shaanxi, 10 red jujube trees are selected as selenium-enriched objects. In the flowering stage, the present embodiment selects on May 25, and the young fruit stage is selected on August 15. To the 10 red jujube trees Soil application of inorganic selenium fertilizer Na 2 SeO 3 1:2000 times solution.

[0024] During the young fruit stage (June 15-25), Na 2 SeO 3 1: 200 times the solution, the stem is fertilized by stem pith injection fertilization. The specific method is to put the prepared solution into the infusion bottle, make a slanted hole in the trunk of the jujube tree 20cm from the ground, and use the medical infusion set to inject the solution into the trunk pith The part is absorbed by jujube trees.

[0025] When the above-mentioned jujube enters the period of rapid fruit expansion, that is, from July 5 to August 15, spray organic selenium fertilizer (containing amino acid, humic acid, nucleic aci...

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Abstract

The invention discloses a red date selenium enriching method which is characterized in that a fertilizing method comprises the following steps: from the flowering period to the young fruit period of red dates, applying 1:2000 times of solution of a Na2SeO3 fertilizer to soli; in the young fruit period, injecting 1:100 to 200 times of solution of Na2SeO3 to stalks; and when the red dates enter a fruit expansion period, spraying the 1:100 to 200 times of solution of the Na2SeO3 fertilizer or 1:300 to 350 times of solution of an organic selenium fertilizer to leaf surfaces, spraying once every 15 days, and continuously spraying for 3 times. The content of red date selenium sprayed twice in the young fruit period and the fruit expansion period can reach 198.793 to 234.245mug / kg, and the red date selenium content reaches a nationally specified selenium-enriched food standard and is about to reach a national food selenium-enriched standard, and the purposes of selenium enrichment, safety and healthcare are achieved for the produced selenium-enriched red dates.

Description

technical field [0001] The invention relates to the technical field of fruit tree cultivation and fertilization, in particular to a selenium-enriched fertilization method for red dates. Background technique [0002] Red dates have been planted for more than 3,000 years in the hilly areas of the loess. Red dates are regarded as a good product for nourishing blood and Qi. There is a folk saying that "a solar eclipse of five dates will make you live forever". According to research and analysis, the mountain red dates in the loess hilly area not only contain rich vitamins, protein, fat and cellulose that the human body needs, but also are rich in iron, potassium, calcium, phosphorus, zinc and other minerals that are beneficial to the human body. Loess hilly area is located in the middle of the Yellow River, with sufficient sunlight and large temperature difference between day and night. The natural environment conditions are very suitable for the growth of jujube trees, and it i...

Claims

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Application Information

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IPC IPC(8): A01C21/00A01G17/00
Inventor 徐福利吴普特汪有科赵勇刚
Owner NORTHWEST A & F UNIV
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