Zinc and selenium fertilizer special for Camellia sinensis and application method thereof

A technology of tea tree and selenium fertilizer, which is applied in the field of agricultural chemical fertilizer to achieve the effect of strong pertinence, overcoming high residues and low molecular weight

Active Publication Date: 2016-01-06
SOUTH ASIAN TROPICAL AGRI SCI RES INST OF GUANGXI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no report of using sugar alcohols and tartary buckwheat flavonoids as chelating agents and using tea saponin as surfactants in the special zinc-selenium fertilizer formula for tea trees

Method used

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  • Zinc and selenium fertilizer special for Camellia sinensis and application method thereof
  • Zinc and selenium fertilizer special for Camellia sinensis and application method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0018] The technical solutions and beneficial effects of the present invention will be further described below in conjunction with specific embodiments.

[0019] Product 1 Preparation Example

[0020] (1) First weigh 10 grams of tea saponin and stir in 100 grams of water, then weigh 10 grams of glycerin, 50 grams of mannitol, 40 grams of sorbitol and 20 grams of xylitol and dissolve them in sequence, and finally weigh Get 20 grams of tartary buckwheat flavonoids and dissolve it therein to obtain solution 1.

[0021] (2) Weigh 150 grams of zinc sulfate heptahydrate, 150 grams of sodium selenite and 260 grams of urea, and add 190 grams of water to obtain solution 2.

[0022] (3) Slowly inject solution 1 into solution 2, and stir while injecting.

[0023] (4) adjust the pH value between 5.0-6.5 to obtain a special zinc-selenium fertilizer for tea trees.

[0024] Product 2 Preparation Example

[0025] Sugar alcohol consists of: 15 grams of glycerol, 60 grams of mannitol, 30 gr...

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Abstract

The invention relates to a zinc and selenium fertilizer special for Camellia sinensis. The zinc and selenium fertilizer comprises the following components in percentages by mass: 8-12% of sugar alcohol, 1-2% of buckwheat flavonoid, 10-15% of zinc sulfate, 15-18% of sodium selenite, 25-30% of urea, 0.8-1.2% of a surfactant, and the balance being water. An application method of the zinc and selenium fertilizer special for Camellia sinensis comprises the following steps: water is added into a stock solution for 1000 times of dilution, a foliage spray method or a root-irrigation method is used for Camellia sinensis. The zinc and selenium fertilizer can substantially increase utilization rate of plant to zinc, selenium and other trace elements, and substantially improve yield and quality of tea; the cost of the fertilizer is low and the environment is not polluted.

Description

technical field [0001] The invention belongs to the technical field of agricultural chemical fertilizers, and in particular relates to a special zinc-selenium fertilizer for tea trees and an application method thereof. Background technique [0002] The daily intake of zinc for adults is 10-15mg. Zinc deficiency will affect the growth and development of the human body, causing immune function decline, mental retardation and neurological abnormalities. A large number of studies have proved that zinc deficiency is quite common among people in countries where cereals are the staple food, especially in economically backward areas. Therefore, the development of safe and reliable zinc supplementation channels has aroused widespread concern in the society. There are more than 40 countries and regions lacking selenium in the world, and the selenium-deficient or low-selenium areas in my country account for 72% of the total area. The selenium content in natural foods in these areas is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05G3/02A01C21/00C05G3/60
CPCY02P60/21
Inventor 田甜韦持章陈海生韦锦坚李金婷曾志云陆金梅陈远权陈杏农玉琴骆妍妃
Owner SOUTH ASIAN TROPICAL AGRI SCI RES INST OF GUANGXI
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