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Composite, preparation method of composite and application of composite to tobacco leaf float seedling substrate field
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A composition and substrate technology, applied in the field of tobacco cultivation, can solve the problems of underdeveloped root system, poor stress resistance, slow growth, etc., and achieve the effects of simple preparation, suitable for large-scale promotion, and low cost
Inactive Publication Date: 2017-04-26
CHINA TOBACCO GUANGDONG IND +1
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Problems solved by technology
[0005] In view of this, the present invention provides a composition and its preparation method and the application in the field of tobacco leaf floating seedling raising substrate, which are used to solve the problem of underdeveloped root system, low vitality and absorption function in the growth process of tobacco seedlings in the prior art. Weakening, slow growth in the early stage of the seedbed, long seedling period after transplanting, and poor stress resistance, effectively improving the quality of tobacco seedlings
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Embodiment 1
[0025] This example is a specific example of preparing product 1 according to the above technical solution.
[0028] The second product 1 was dissolved in water, and the pH was adjusted to 6.5 to obtain product 1. Among them, the organic matter content of product 1 is greater than 15%, the particle size of product 1 is 4mm, the moisture content in product 1 is 35%, and the bulk density of product 1 is 0.25g / cm 3 , the porosity of product 1 is 80%.
Embodiment 2
[0030] This example is a specific example of preparing product 2 according to the above technical solution.
[0031] Weigh 65g of peat, 5g of perlite and 30g of vermiculite and mix to obtain the first product 2. Wherein, the particle diameter of vermiculite is 4mm.
[0032] After the first product 2 is wetted, it is mixed with 2 g of arbuscular mycorrhizal agent to obtain the second product 2. Wherein, the arbuscular mycorrhizal mycorrhizal agent is a rhizome mycorrhizal fungal agent.
[0033] The second product 2 was dissolved in water, and the pH was adjusted to 6.5 to obtain product 2. Among them, the organic matter content of product 2 is greater than 15%, the particle size of product 2 is 4mm, the moisture content in product 2 is 30%, and the bulk density of product 2 is 0.20g / cm 3 , the porosity of product 2 is 90%.
Embodiment 3
[0035] This example is a specific example of preparing product 3 according to the above technical solution.
[0036] Weigh 75g of peat, 15g of perlite and 15g of vermiculite and mix to obtain the first product 3. Among them, the particle size of vermiculite is 4mm.
[0037] After the first product 3 is wetted, it is mixed with 2 g of arbuscular mycorrhizal fungi to obtain the second product 3. Wherein, the arbuscular mycorrhizal mycorrhizal agent is a rhizome mycorrhizal fungal agent.
[0038] The second product 3 was dissolved in water, and the pH was adjusted to 6.5 to obtain product 3. Among them, the organic matter content of product 3 is greater than 15%, the particle size of product 3 is 4mm, the moisture content in product 3 is 40%, and the bulk density of product 3 is 0.35g / cm 3 , the porosity of product 3 is 70%.
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Abstract
The invention belongs to the field of tobacco cultivation and specially relates to a composite, a preparation method of the composite and an application of the composite to the tobacco leaf float seedling substrate field. The raw materials of the composite comprise a substrate raw material and an arbuscular mycorrhiza inoculant. The substrate raw material comprises grass carbon, perlite and vermiculite. The invention further provides the preparation method of the composite. The invention also provides the application of the composite or the product obtained through the preparation method to the tobacco leaf float seedling substrate field. Experimental determination results show that the composite can effectively overcome the technical defects that in the growth process of tobacco seedlings, the root systems are not luxuriant, low in activity and weak in absorption function, the seedlings in the early stage of a seedlingbed grow slowly, the restoring period of the seedlings after transplanting is long, and the stress resistance is poor; and meanwhile, the composite further has the advantages of being low in cost, easy and convenient to prepare and suitable for large-scale popularization.
Description
technical field [0001] The invention belongs to the field of tobacco cultivation, and in particular relates to a composition and a preparation method thereof and the application in the field of tobacco leaf floating seedling cultivation substrate. Background technique [0002] Since 1986, the intensive floating seedling cultivation technology has been applied in the production of tobacco leaves in the United States, and this technology has been continuously promoted in the tobacco industry. Since 1999, my country has carried out a lot of research and verification on the intensive floating seedling raising technology of tobacco leaves in different tobacco areas, and has been fully promoted and implemented. This move has brought about a great leap forward in tobacco leaf seedling raising technology, which not only improves the seedling raising technology, but also effectively reduces the labor intensity of tobacco farmers. Although the floating seedling cultivation of tobacco...
Claims
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Application Information
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