Flue-cured tobacco cultivation method capable of effectively promoting flue-cured tobacco root growth

A cultivation method and root growth technology, applied in the fields of botanical equipment and methods, horticulture, application, etc., can solve the problems of weakened ability to explore and absorb, difficulty in rooting and spreading of flue-cured tobacco roots, shallow spatial distribution of root systems, etc., and achieve widening root length. Density and root depth index, the effect of promoting growth and development, and optimizing root architecture

Inactive Publication Date: 2017-01-04
YUNNAN ACAD OF TOBACCO AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Usually in field production, due to factors such as the increase of soil bulk density and the thickening of the plow bottom, it is often difficult for the root system of flue-cured tobacco to pierce and stretch, and there are problems such as insufficient root development of flue-cured tob

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  • Flue-cured tobacco cultivation method capable of effectively promoting flue-cured tobacco root growth
  • Flue-cured tobacco cultivation method capable of effectively promoting flue-cured tobacco root growth
  • Flue-cured tobacco cultivation method capable of effectively promoting flue-cured tobacco root growth

Examples

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Example Embodiment

[0024] Example 1

[0025] (1) Tobacco seedling raising: Sow the tobacco-coated seeds in a 162-hole floating seedling tray according to the number of 1 seed per hole, raise the seedlings for 40 days, cultivate the tobacco seedlings to the tobacco seedlings with strong stems and developed roots, and then re-cultivate the seedlings. The disease-free tobacco seedlings with five leaves and one heart were selected as the seedlings to be transplanted;

[0026] (2) Tobacco seedling transplanting: put 60 kg of the cultivation substrate into a cultivation barrel with a height of 150 cm and an inner diameter of 40 cm, and then apply 0.9 kg of organic fertilizer and 30 g of compound fertilizer to each barrel, and transfer the tobacco seedlings raised in step (1). Planted in the cultivation barrel, re-irrigated 10L of root water, the content of vermiculite in the described flue-cured tobacco substrate is 10%, the content of peat is 20, the content of carbonized rice husk is 45, and the pH ...

Example Embodiment

[0028] Example 2

[0029] (1) Tobacco seedling raising: Sow the tobacco-coated seeds in a 162-hole floating seedling tray according to the number of 1 seed per hole, raise the seedlings for 40 days, cultivate the tobacco seedlings to the tobacco seedlings with strong stems and developed roots, and then re-cultivate the seedlings. The disease-free tobacco seedlings with five leaves and one heart were selected as the seedlings to be transplanted;

[0030] (2) Transplanting tobacco seedlings: Put 100 kg of the cultivation substrate into a cultivation barrel with a height of 200 cm and an inner diameter of 70 cm, then apply 2.5 kg of organic fertilizer and 75 g of compound fertilizer per barrel, and transfer the tobacco seedlings grown in step (1). Planted in the cultivation barrel, re-irrigated 20L of root water, the content of vermiculite in the described flue-cured tobacco substrate is 15%, the content of peat is 30%, the content of carbonized rice husks is 55%, the pH value of...

Example Embodiment

[0032] Example 3

[0033] (1) Tobacco seedling raising: Sow the tobacco-coated seeds in a 162-hole floating seedling tray according to the number of 1 seed per hole, raise the seedlings for 40 days, cultivate the tobacco seedlings to the tobacco seedlings with strong stems and developed roots, and then re-cultivate the seedlings. The disease-free tobacco seedlings with five leaves and one heart were selected as the seedlings to be transplanted;

[0034] (2) Tobacco seedling transplanting: put 80 kg of the cultivation substrate into a cultivation barrel with a height of 180 cm and an inner diameter of 60 cm, then apply 1.5 kg of organic fertilizer and 50 g of compound fertilizer to each barrel, and transplant the tobacco seedlings raised in step (1). To the cultivation barrel, refill 15L of root-fixing water, the content of vermiculite in the described flue-cured tobacco substrate is 12.5%, the content of peat is 25%, the content of carbonized rice husks is 50%, and the pH of t...

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Abstract

The invention discloses a flue-cured tobacco cultivation method capable of effectively promoting flue-cured tobacco root growth. The method comprises the steps of tobacco seedling culture, tobacco seedling transplanting and field management. The flue-cured tobacco root growth environment can be effectively improved, proper conditions are provided for elongation growth of flue-cured tobacco roots, the flue-cured tobacco root length density and depth indexes are effectively enlarged, the root structure is optimized, and growth and development of overground parts of flue-cured tobacoo are promoted.

Description

technical field [0001] The invention belongs to the technical field of flue-cured tobacco cultivation, and in particular relates to a flue-cured tobacco cultivation method capable of effectively promoting the root growth of flue-cured tobacco. Background technique [0002] The root system is the main organ for crops to absorb soil nutrients and water. The development of the root system is closely related to the distribution, migration, and consumption of water and nutrients in the soil, and is directly related to the growth and yield formation of the aboveground parts of crops. The spatial distribution of crop roots refers to the direction of the roots in the soil, the horizontal and vertical extension properties, etc., and the formation of crop root morphology is affected by both the environment and genes. Moisture, mineral absorption capacity. [0003] The root system of flue-cured tobacco not only has the function of supporting, absorbing water and nutrients, but also an...

Claims

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Application Information

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IPC IPC(8): A01G1/00
Inventor 童文杰李军营
Owner YUNNAN ACAD OF TOBACCO AGRI SCI
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