Organic tobacco seedling culturing method

An organic and seedling fertilizer technology, applied in the field of seedlings, can solve the problems that tobacco seedlings do not meet the production requirements of organic tobacco leaves, and achieve the effects of promoting root development and nutrient absorption, stable quality, and easy collection

Active Publication Date: 2015-03-25
HONGTA TOBACCO GRP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the nutrients needed for the existing floating seedling cultivation mainly come from the application of chemical fertilizers. Therefore, the tobacco seedlings provided by the conventional floating seedling cultivation technology do not meet the requirements for organic tobacco leaf production.

Method used

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  • Organic tobacco seedling culturing method
  • Organic tobacco seedling culturing method
  • Organic tobacco seedling culturing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A kind of seedling raising method of organic smoke, is to adopt floating seedling raising method, high-phosphorus organic seedling-raising substrate sowing, use organic smoke special seedling-raising fertilizer, operation steps are as follows: (1) seeding: adopt high-phosphorus organic seedling-raising substrate when raising seedlings of organic smoke, when raising seedlings Sow two tobacco seeds in each hole on the edge of the seedling tray, and one tobacco seed in each of the remaining holes, sow manually or by machine; (2) Fertilization: the first fertilization is carried out at the first true leaf stage, and the concentration of seedling fertilizer specially used for organic tobacco is diluted with water to a nitrogen content of 50mg / L. The second fertilization is carried out at the third true leaf stage, and the application concentration of special seedling fertilizer for organic smoke is diluted with water to a nitrogen content of 200mg / L. About 15 days after the ...

Embodiment 2

[0026] A method for growing seedlings of organic smoke, which adopts the method of floating seedlings, sows seeds on a high-phosphorus organic seedling-raising substrate, and uses a special seedling-raising fertilizer for organic smoke. The operation steps are as follows:

[0027] (1) Seeding: When growing organic tobacco seedlings, high-phosphorus organic seedling substrates are used. When growing seedlings, two tobacco seeds are sown in each hole on the edge of the seedling tray, and one tobacco seed is planted in each hole for the rest, artificially sowing or machine sowing;

[0028] (2) Fertilization: The first fertilization is carried out at the first true leaf stage, and the application concentration of special seedling fertilizer for organic tobacco is diluted with water until the nitrogen content is 75mg / L. The second fertilization is carried out at the third true leaf stage, and the application concentration of special seedling fertilizer for organic smoke is diluted w...

Embodiment 3

[0031] A method for growing seedlings of organic smoke, which adopts the method of floating seedlings, sows seeds on a high-phosphorus organic seedling-raising substrate, and uses a special seedling-raising fertilizer for organic smoke. The operation steps are as follows:

[0032] (1) Seeding: When growing organic tobacco seedlings, high-phosphorus organic seedling substrates are used. When growing seedlings, two tobacco seeds are sown in each hole on the edge of the seedling tray, and one tobacco seed is planted in each hole for the rest, artificially sowing or machine sowing;

[0033] (2) Fertilization: Fertilize for the first time at the first true leaf stage, and the application concentration of special seedling fertilizer for organic tobacco is diluted with water until the nitrogen content is 100mg / L. The second fertilization is carried out at the third true leaf stage, and the application concentration of special seedling fertilizer for organic smoke is diluted with water...

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Abstract

The invention provides an organic tobacco seedling culturing method. A floating seedling culturing method is adopted for the seedling culturing method. The method includes the following steps that sowing is conducted, high-phosphorus organic seedling culturing substrate is adopted for organic tobacco seedling culturing, a mode that two tobacco seeds are sowed per hole in the edge of a seedling culturing disc, and one tobacco seed is sowed per hole for other holes is adopted in the seedling culturing process, and manual sowing or mechanical sowing is conducted; first fertilizing is conducted in the first main leaf period, second fertilizing is conducted in the third main leaf period; third fertilizing is conducted about 15 days after the second fertilizing is conducted. By means of the method, a mode that inorganic seedling fertilizer is usually adopted for an existing organic tobacco seedling culturing process, and all organification of the seedling culturing process is achieved; besides, the cultured tobacco seedlings are superior to tobacco seedlings cultured through the combination of conventional seedling culturing substrate and inorganic tobacco seedling fertilizer on the aspect of the strong seedling index, root vigor, blade chlorophyll content, seedling recovering time after planting, yield and like; the tobacco seedlings are flourishing in effective roots, spiral roots and water roots are reduced obviously, and algae in a seedling culturing pool is reduced obviously.

Description

technical field [0001] The invention belongs to the technical field of seedling cultivation, and in particular relates to a method for raising seedlings of organic smoke by using a combination of high-phosphorus organic seedling raising substrate and fully water-soluble organic seedling raising fertilizer, which meets the requirements for planting organic smoke and is suitable for floating seedling raising of flue-cured tobacco. Background technique [0002] Yunnan is a large province of flue-cured tobacco production. Both the planting area and tobacco leaf output rank first in the country. The unique light, heat and water and soil conditions have made the growth of high-quality flue-cured tobacco, also known as the main pillar industry of local agriculture. Therefore, how to improve the planting level of flue-cured tobacco is of great significance to the healthy development of Yunnan flue-cured tobacco industry and the stability of regional economy. [0003] In the late 199...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01C21/00C05G3/00
CPCA01G24/00A01G31/00
Inventor 王一明林先贵戴勋胡保文
Owner HONGTA TOBACCO GRP
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