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Nutrient soil for tobacco two-stage seedling cultivation and preparation method of nutrient soil

A nutrient soil and two-stage technology, which is applied in the field of nutrient soil for tobacco two-stage seedling raising and its preparation, can solve the problems that the tobacco two-stage seedling raising nutrient soil cannot be popularized and applied, etc. To achieve the effects of green and environmental protection products, expanding harmless utilization channels, and shortening the return period of field seedlings

Inactive Publication Date: 2018-05-22
HUNAN TOBACCO CHENZHOU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no nutrient soil that is easy to obtain materials, simple in process, and cheap in cost.
[0007] 4. The predecessors proposed the "Flue-dry two-stage strong seedling cultivation technology of flue-cured tobacco" in the publication (announcement) number CN103385106A, but this invention only involves planting and management methods, and does not solve the problem of the nutritional soil used in the two-stage tobacco seedling cultivation. a core issue
This problem cannot be effectively solved, and the two-stage tobacco seedling raising technology still cannot be popularized and applied

Method used

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  • Nutrient soil for tobacco two-stage seedling cultivation and preparation method of nutrient soil
  • Nutrient soil for tobacco two-stage seedling cultivation and preparation method of nutrient soil
  • Nutrient soil for tobacco two-stage seedling cultivation and preparation method of nutrient soil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] A preparation method of two-stage tobacco seedling-growing nutrient soil includes the following steps:

[0051] S1, decomposed straw: crush the rice straw to 3-6cm, and adjust its water content to about 60%, add 2kg of HB decomposing fungus per 1000kg of straw, 5kg each of urea, bran, and superphosphate, combine the straw with each material Mix well, then pile up. The pile is 1.5m wide and 1.6m high, and is covered with plastic film. After 15 days of stacking, turn the stack once and replenish water properly, and the pile will end after 35 days. Then spread the decomposed rice straw, adjust the water content to 25%-30%, and set it aside.

[0052] S2, soil disinfection: select the cultivated layer of dry land red soil, air-dried it through a 2mm mesh screen, irrigate the soil with 800 times dixon diluent, seal the film for disinfection for 11 days, then uncover the film and disperse the soil and ventilate it for 4 days, set aside.

[0053] S3, special seedling fertilizer pre...

Embodiment 2

[0057] A preparation method of two-stage tobacco seedling-growing nutrient soil includes the following steps:

[0058] S1, decomposed corn: crush the corn to 5-7cm, and adjust its water content to about 60%, add 1.5kg of HB decomposing fungus per 1000kg of straw, 5kg each of urea, bran, and superphosphate, combine the straw with each material Mix well, then pile up. The pile is 2.0m wide and 1.8m high, and is covered with plastic film. After 12 days of stacking, turn the stack once and replenish water appropriately. After 40 days of stacking, the decay is over. Then spread the decomposed corn stalks, adjust the water content to 25%-30%, and set aside.

[0059] S2, soil disinfection: the dry red soil in the cultivated layer is air-dried and passed through a 2mm mesh sieve. The soil is irrigated with a 1000-fold carbendazim dilution solution, and the film is sealed for disinfection for 10 days, and then the film is removed and the soil is ventilated for 5 days before use.

[0060] S...

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Abstract

The invention provides nutrient soil for tobacco two-stage seedling cultivation and a preparation method of the nutrient soil. The nutrient soil related to by the invention is prepared from 100 partsof disinfected soil, 20-50 parts of decomposed straw and 1-2 parts of special seedling fertilizer. The materials are easy to obtain, the process is simple, the cost is low, and the nutrient soil is green and environmentally friendly, and is easy for large-scale production. The preparation method related to by the invention comprises two methods. The first method comprises the following steps: S1,decomposing straw, S2, carrying out soil disinfection, S3, preparing the special seedling fertilizer, and S4, preparing the nutrient soil. The second method comprises the following steps: S1, decomposing corn, S2, carrying out soil disinfection, S3, preparing the special seedling fertilizer, and S4, preparing the nutrient soil. The nutrient soil provided by the invention provides a nontoxic environment for the conversion of tobacco seedling aquatic roots to xerophilic roots, the morbidity of tobacco seedlings can be effectively reduced, the root activity of the tobacco seedlings can be obviously improved, the development of the root system is promoted, and the seedling recover stage after transplanting is shortened. In addition, according to the invention, a new application channel is alsoprovided for agricultural wastes, and the nutrient soil conforms to green agriculture.

Description

Technical field [0001] The invention relates to the technical field of tobacco cultivation and application, in particular to a nutrient soil for two-stage tobacco seedling raising and a preparation method thereof. Background technique [0002] Seedling raising is an extremely important part of tobacco production, the basis of the entire flue-cured tobacco production, and an important link in improving the quality of tobacco leaves and producing high-quality tobacco leaves. Therefore, cultivating strong seedlings is the basis for obtaining high-quality and high-yield flue-cured tobacco, an important guarantee for stabilizing the quality of tobacco leaves, increasing the proportion of upper and middle-class tobacco leaves, and increasing the income of tobacco farmers. It is one of the key technologies for flue-cured tobacco production. Tobacco is originally a xerotic crop, but currently tobacco seedlings in tobacco areas mainly adopt floating seedlings. [0003] The tobacco seedling...

Claims

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Application Information

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IPC IPC(8): A01G24/12A01G24/22A01G24/10C05G1/00
CPCC05B1/02C05C9/00C05D9/00C05F5/002C05F11/00C05G1/00
Inventor 周路阔王建平许清孝周冀衡李宏光成军平张一扬谭军陆超丁梦娇
Owner HUNAN TOBACCO CHENZHOU
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