Substrate for floating seedling cultivation of fire-cured tobacco and preparation method thereof

A technology for floating seedling substrate and flue-cured tobacco is applied in the field of tobacco cultivation, which can solve the problems of wheat straw waste and environmental damage, and achieve the effects of developed root system, loose substrate and cost reduction.

Inactive Publication Date: 2009-06-24
叶红朝 +7
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AI Technical Summary

Problems solved by technology

On the other hand, a large amount of wheat straw is discarded every year in agricultural production and p

Method used

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Examples

Experimental program
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Example Embodiment

[0024] Example 1-5

[0025] The mass percentage composition of each component in the matrix is ​​shown in Table 1:

[0026] Table 1

[0027] Example Decomposed wheat straw Vermiculite Expanded perlite 1 65 20 15 2 70 15 15 3 80 10 10 4 60 20 20 5 100 0 0

[0028] The preparation method is as follows: After the wheat is harvested, gather the crushed wheat straw into a layer according to a length of 20m, a width of 1.5m and a height of 30cm, and evenly sprinkle a layer of organic cake fertilizer (15 kg / ton wheat straw) and HM decomposing agent ( The HM composting agent is first mixed with finely sieved soil for later use. Basically, it is used according to the amount of 100g composting agent used for 1 cubic meter of wheat straw. Repeat 4 times to obtain a pile of wheat straw with a pile thickness of 1.2m. Sprinkle water to maintain the moisture of the wheat straw. Fermentation is carried out at 70%; fermentation is carried out ...

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Abstract

The invention belongs to the technical field of tobacco cultivation, particularly to cured tobacco float seedling and preparation method. Each component of the cured tobacco float seedling comprises according to the following quality ratio: rotten straw 65-70%, vermiculite 15-20%, puffing perlite 10-20%. According to the invention, tobacco leaf seedling cost is reduced, resources are utilized reasonably, prepared ground substance is suitable for normal development of tobacco seedlings, during development of the tobacco leaf, seedling ratio and seedling generation of the tobacco belong to the normal. The prepared ground substance is loose, gas permeability is good, supply of nourishment and water meet with the development of the tobacco seedling, therefore the root system of the tobacco seedling is developed, quantity of the lateral root reaches more than 300.

Description

(1) Technical field [0001] The invention belongs to the technical field of tobacco cultivation, in particular to a flue-cured tobacco floating seedling cultivation substrate and a preparation method thereof. (2) Background technology [0002] The role of the flue-cured tobacco floating seedling cultivation substrate is: (1) to provide mechanical support for the tobacco plant and the root system; (2) to provide enough air for the root system to breathe; (3) to provide suitable water and nutrition for the growth and development of the tobacco seedlings. Coordinating the contradiction between water and air is the theoretical basis for selecting and proportioning substrates. The current commercial substrates mostly use crushed and decomposed crops such as grass coal, peat, peat, straw, and wheat husks as raw materials. On the other hand, a large amount of wheat straw is discarded every year in agricultural production and planting, and some are even disposed of by burning, which...

Claims

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Application Information

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IPC IPC(8): A01G31/00
Inventor 叶红朝张涵王炜
Owner 叶红朝
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