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Flue-cured tobacco floating seedling culture medium and preparation method thereof

A technology for floating seedling substrate and flue-cured tobacco, which is applied in the agricultural field, can solve the problems of a surge in the amount of peat, a large increase in the price of the substrate, and an increase in the cost of seedlings, so as to achieve high quality of tobacco seedlings, protect environmental resources, improve the emergence rate of tobacco seedlings and The effect of seedling rate

Inactive Publication Date: 2014-08-13
YUNNAN TOBACCO WENSHANZHOU CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the large-scale promotion of flue-cured tobacco floating seedlings, the demand for substrates continues to rise, and the amount of peat will increase sharply, causing great damage to the environment
In addition, as the prices of various materials continue to rise, the price of substrates has increased significantly, resulting in continuous increases in the cost of raising seedlings.

Method used

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  • Flue-cured tobacco floating seedling culture medium and preparation method thereof
  • Flue-cured tobacco floating seedling culture medium and preparation method thereof
  • Flue-cured tobacco floating seedling culture medium and preparation method thereof

Examples

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Effect test

Embodiment 1

[0027] Embodiment 1 of the present invention: Flue-cured tobacco floating seedling raising substrate, calculated by volume, includes 33.75 parts of soil, 33.75 parts of fire soil, 30 parts of farmyard manure and 2.5 parts of nutrient liquid fertilizer.

[0028] The preparation method of flue-cured tobacco floating seedling raising substrate comprises the following steps:

[0029] 1) Soil preparation: Take the medium-fertile plow layer soil at a depth of 10-15cm from the ground, pass it through a 0.5cm-diameter sieve, fumigate the sieved soil for 2 weeks, and then dry it until the humidity is 5-8% for later use;

[0030] 2) Preparation of fire soil: On a dry and sunny day, dig weeds with a thickness of 3 cm on the ground surface and expose them to the soil for 2 days, mix the dried weeds and soil at a volume ratio of 3:1, and stack them in one place to cover tightly (to prevent the burned material from being blown away), ignite and burn the mixed material, let it cool down to r...

Embodiment 2

[0034] Embodiment 2 of the present invention: the flue-cured tobacco floating seedling raising substrate, calculated by volume, includes 35 parts of soil, 35 parts of fire soil and 30 parts of farmyard manure.

[0035] The preparation method of flue-cured tobacco floating seedling raising substrate comprises the following steps:

[0036] 1) The preparation method of the soil is the same as in Example 1;

[0037] 2) The preparation method of fire soil is the same as in Example 1;

[0038] 3) The method for making farmyard manure is the same as in Example 1;

[0039] 4) Preparation of flue-cured tobacco floating seedling-raising substrate: the products prepared in step 1), step 2) and step 3) are mixed together according to the above weight parts, and after uniform stirring, the flue-cured tobacco floating seedling raising substrate is obtained.

Embodiment 3

[0040] Embodiment 3 of the present invention: Flue-cured tobacco floating seedling raising substrate, calculated by volume, includes 38.75 parts of soil, 38.75 parts of fire soil, 20 parts of farmyard manure and 2 parts of nutrient liquid fertilizer.

[0041] The preparation method is the same as in Example 1.

[0042] In the above examples, the nutrient solution fertilizer is produced by Wenshan Qiubei County Tobacco Materials Co., Ltd., and is also used in large-scale production. Its specifications are: humic acid: ≥15%, total porosity: 70-80%, Organic matter: ≥20%, conductivity: ≤800us / cm, pH: 5.0-6.8.

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Abstract

The invention discloses a flue-cured tobacco floating seedling culture medium and a preparation method thereof. The culture medium comprises the following components in parts by volume: 30-45 parts of soil, 30-45 parts of fire soil, 20-30 parts of farmyard manure and 2-2.5 parts of nutrient solution fertilizer. By completely substituting the flue-cured tobacco seedling culture medium and screening out the proper material composition and proportioning, the culture medium disclosed by the invention can effectively enhance the rate of emergence and stocking percent, promote the growth of the tobacco seedlings, enhance the quality of the tobacco seedlings, and enhance the rate of emergence of the tobacco seedlings to 85% and the stocking percent after in-field seedling supplementation to 97.5%. Compared with the conventional-quality flue-cured tobacco floating seedling culture, the tobacco seedling cultured by the culture medium disclosed by the invention has the advantages of high quality, thick stems, developed root system, high drought resistance, high stress tolerance, quick survival and the like; and the culture medium does not use grass carbon, thereby lowering the development of nonrenewable resources and protecting the environmental resources. The culture medium does not pollute the environment in the manufacturing process, and has the function of environmental protection. The material sources are wide and are not restricted by regions, and the manufacturing method is simple, thereby greatly lowering the flue-cured tobacco floating seedling culture cost.

Description

technical field [0001] The invention relates to the technical field of agriculture, in particular to a flue-cured tobacco floating seedling raising substrate and a preparation method thereof. Background technique [0002] Floating seedling cultivation is currently the main method of intensive seedling cultivation in flue-cured tobacco planting. During seedling cultivation, the substrate plays the roles of fixing the root system of tobacco seedlings, absorbing and buffering nutrient solution, and providing a good rhizosphere environment. And flue-cured tobacco seedling raising substrates are mostly mixed substrates, the formula is more complicated, and the production cost is high. The medium for flue-cured tobacco seedlings is mostly composed of peat, vermiculite, expanded perlite, etc. The peat content is high and it is a non-renewable resource. With the large-scale promotion of flue-cured tobacco floating seedlings, the demand for substrates continues to rise, and the amou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00
Inventor 张树锋李卫向成高许龙余东灿冯坤李鹏飞李兰玉张铮李大肥周炼川
Owner YUNNAN TOBACCO WENSHANZHOU CO
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