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Seed coating agent and coated seeds for desert control and aerial seeding, and preparation method of agent

A technique of coating seeds and coating agents, which is applied in the fields of drought-resistant coating agents for afforestation seeds, coated seeds and its preparation, and coating agents for seeds used in aerial sowing for sand control and afforestation, which can solve the problems of low survival rate, pilling hardness and Disintegration conflicts and other issues, to achieve the effect of improving the seed yield, not easy to stick, and avoid water swelling

Active Publication Date: 2013-04-24
BEIJING FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are two problems that need to be solved urgently, one is the contradiction between pellet hardness and disintegration, and the other is the low survival rate after aerial sowing

Method used

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  • Seed coating agent and coated seeds for desert control and aerial seeding, and preparation method of agent
  • Seed coating agent and coated seeds for desert control and aerial seeding, and preparation method of agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0059] Embodiment 1 prepares Caragana drought-resistant coated seeds

[0060] 1. Caragana seed pretreatment

[0061] Adopt natural winnowing or mechanical winnowing to remove impurities, dust and unfulfilled seeds, and obtain Caragana pretreated seeds;

[0062] 2. Preparation of coating agent

[0063] 1) Prepare inner coating agent

[0064] 1-A) Grinding the water retaining agent, attapulgite clay, and talc separately to obtain water retaining agent powder, attapulgite clay powder, and talc powder with a particle size ≥ 200 mesh;

[0065] 1-B) Mix water-retaining agent powder, attapulgite clay powder, and talcum powder evenly to prepare an inner layer coating agent for later use. The weight ratio of water-retaining agent powder, attapulgite clay powder, and talc powder is 20:100: 47. The water-retaining agent is French Eisen water-retaining agent;

[0066] 2) Preparation of intermediate layer coating agent

[0067] 2-A) Separately pulverize potassium nitrate, potassium di...

Embodiment 2

[0084] Embodiment 2 prepares Caragana drought-resistant coated seeds

[0085] 1. Caragana seed pretreatment

[0086] Adopt natural winnowing or mechanical winnowing to remove impurities, dust and unfulfilled seeds, and obtain Caragana pretreated seeds;

[0087] 2. Preparation of coating agent

[0088] 1) Prepare inner coating agent

[0089] 1-A) Grinding the water retaining agent, attapulgite clay, and talc separately to obtain water retaining agent powder, attapulgite clay powder, and talc powder with a particle size ≥ 200 mesh;

[0090] 1-B) Mix the water-retaining agent powder, attapulgite clay powder, and talc powder evenly to prepare the inner layer coating agent for later use. The weight ratio of water-retaining agent powder, attapulgite clay powder, and talc powder is 10:100: 40. The water-retaining agent is French Eisen water-retaining agent;

[0091] 2) Preparation of intermediate layer coating agent

[0092] 2-A) Separately pulverize potassium nitrate, potassium...

Embodiment 3

[0109] Embodiment 3 prepares flower bar drought-resistant coated seed

[0110] 1. Pretreatment of flower stick seeds

[0111] Use natural winnowing or mechanical winnowing to remove impurities, dust and unfulfilled seeds, and obtain flower stick pretreated seeds;

[0112] 2. Preparation of coating agent

[0113] 1) Prepare inner coating agent

[0114] 1-A) Grinding the water retaining agent, attapulgite clay, and talc separately to obtain water retaining agent powder, attapulgite clay powder, and talc powder with a particle size ≥ 200 mesh;

[0115] 1-B) Mix the water-retaining agent powder, attapulgite clay powder, and talcum powder evenly to prepare the inner layer coating agent, and set it aside. The weight ratio of water-retaining agent powder, attapulgite clay powder, and talc powder is 25:100: 60. The water-retaining agent is French Eisen water-retaining agent;

[0116] 2) Preparation of intermediate layer coating agent

[0117] 2-A) Separately pulverize potassium n...

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Abstract

The invention relates to a seed coating agent and coated seeds for desert control and aerial seeding, and a preparation method of the agent. The seeding coating agent mainly comprises an inner layer coating agent, a middle layer coating agent and an outer layer coating agent. As the coating method provided by the invention adopts a layered coating technology, not only is the mutual influence among different ingredients of the coating agent alleviated, but also the difficulty caused by the swelling and the adhesion of a water retaining agent which absorbs water in a coating process is avoided; special drying equipment is not needed after the coating is finished, so that the dependence of a traditional coating operation on the drying equipment is avoided; a repellent for birds, rabbits, mice and the like is added to the coating agent, so that the seeds are protected from being eaten while no harm is caused to the environment; and the coated seeds have a high germination rate and can take root rapidly under the action of the water retaining agent and nutrients, so that the seeds for desert control and aerial seeding are promoted to germinate and grow rapidly, and the survival rate of seedlings is remarkably improved.

Description

technical field [0001] The invention relates to a drought-resistant coating agent for afforestation seeds, coated seeds and a preparation method for coated seeds, in particular to a coating agent for seeds used for sand control and afforestation aerial sowing, coated seeds and a preparation method thereof, belonging to ecological protection, Restoration and governance areas. Background technique [0002] my country is one of the countries that are seriously harmed by desertification. In recent years, important achievements have been made through research and governance, but the overall situation is still grim. As a fast and effective modern afforestation measure, seed granulation air sowing for sand control and afforestation has become an important means of vegetation restoration and construction in the hinterland of Mu Us Sandy Area in Ordos. At present, pelletized and coated seeds are mainly used for aerial sowing to prevent drifting with the wind by increasing the weight...

Claims

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Application Information

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IPC IPC(8): C05G3/00
CPCY02A40/22Y02P60/40
Inventor 汪晓峰李加国郎思睿
Owner BEIJING FORESTRY UNIVERSITY
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