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Selenium-enriched foliage fertilizer capable of improving tea quality as well as preparation method thereof

A selenium-enriched foliar fertilizer and selenium-enriched technology, applied in fertilization methods, fertilizers made from biological waste, organic fertilizers, etc., can solve the problems of tea quality decline and achieve low production costs and high biotransformation efficiency

Inactive Publication Date: 2018-11-23
INST OF AGRI ENG TECH FUJIAN ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the current traditional cultivation methods cannot cope with the cultivation of large-scale tea trees. Excessive chemical fertilizers and pesticides have caused the quality of tea to decline year by year.

Method used

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  • Selenium-enriched foliage fertilizer capable of improving tea quality as well as preparation method thereof

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Effect test

Embodiment 1

[0028] Embodiment 1: a kind of preparation method of the selenium-enriched foliage fertilizer that improves tea quality, comprises the following steps:

[0029] (1) Raising selenium-enriched earthworms: Utilize the selenium-enriched feed matrix that contains mass ratio to be 1% sodium selenite to raise earthworms, the time is 2 months, the sodium selenite in the feed is converted into the organic selenium in the earthworms, raising become selenium-enriched earthworms; the selenium-enriched feed matrix: one or more of fermented animal manure, edible fungus residue, green grass, fruit and vegetable processing by-products;

[0030] (2) Cleaning and processing of selenium-enriched earthworms: soak the living bodies of selenium-enriched earthworms in step (1) in 0.2% saline solution for 6 hours to spit out the soil in the intestinal tract, and then wash away the surface of the earthworms with water impurities, to obtain selenium-enriched earthworms after cleaning;

[0031] (3) Pre...

Embodiment 2

[0035] Embodiment 2: a kind of preparation method of the selenium-enriched foliage fertilizer that improves tea quality, comprises the following steps:

[0036] (1) Raising selenium-enriched earthworms: Utilize the selenium-enriched feed matrix that contains mass ratio to be 1% sodium selenite to raise earthworms, and the time is 2 months, so that the feeding of sodium selenite in the feed is transformed into organic selenium in the earthworms , raised to become selenium-enriched earthworms;

[0037] (2) Cleaning and processing selenium-enriched earthworms: soak the living bodies of selenium-enriched earthworms in step (1) in 0.3% saline solution for 5 hours, make them spit out the soil in the intestinal tract, and then wash away the surface of the earthworms with clean water impurities, to obtain selenium-enriched earthworms after cleaning;

[0038] (3) Preparation of a selenium-enriched earthworm mixture: take the selenium-enriched earthworms after cleaning in step (2), mix...

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Abstract

The invention relates to selenium-enriched foliage fertilizer capable of improving tea quality as well as a preparation method thereof. The preparation method of the selenium-enriched foliage fertilizer comprises the steps of feeding selenium-enriched earthworms, cleaning and treating the selenium-enriched earthworms, preparing selenium-enriched earthworm mixed liquid, preparing tea powder and preparing the selenium-enriched foliage fertilizer. The advantages of high inorganic selenium biological conversion efficiency of the earthworms as well as protein and amino acid enriched in the earthworms, and the characteristic of performing enzymolysis on the protein in the earthworms into amino acid under the condition of not intervening exogenous enzyme are completely utilized, and the foliage fertilizer is sprayed on leaves of a tea tree, so that the organic selenium content and the amino acid content of the tea can be improved. The operation technology is simple and conveniently, intervention of the exogenous enzyme is avoided, and any inorganic or organic solvents are not doped. Furthermore, the selenium-enriched foliage fertilizer has the following advantages: the production cost islow; and a farmer can prepare the foliage fertilizer automatically. The tea product produced by the foliage fertilizer accords with the standard of the national selenium-enriched tea.

Description

technical field [0001] The invention relates to a fertilizer and a preparation method thereof, in particular to a selenium-enriched leaf fertilizer for improving the quality of tea leaves and a preparation method thereof. Background technique [0002] Selenium is an essential trace element for the human body. It has biological functions such as improving human immunity, preventing cancer, protecting and repairing cells. Selenium is a rare element in nature, and the human body can only supplement the selenium needed by the body through food and drinking water intake. However, the natural selenium content in most areas of my country is insufficient, and the soil selenium content is below 0.6 mg / kg, which belongs to selenium-deficient soil. 72% of my country's land is selenium-deficient or selenium-deficient soil. Long-term intake of seriously selenium-deficient foods will inevitably cause selenium-deficiency diseases. The recommended daily intake (RDI) of selenium for men an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G1/00A01K67/033A01C21/00
CPCA01C21/005A01K67/0332C05D9/02C05F1/00C05F5/002
Inventor 林斌王琦黄菊青官雪芳徐庆贤钱蕾
Owner INST OF AGRI ENG TECH FUJIAN ACAD OF AGRI SCI
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