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Method for rapidly cultivating cotton seedlings

A cotton and seedling technology, applied in botany equipment and methods, horticulture, application, etc., can solve the problems of slow recovery growth, water and nutrient absorption, and inadaptability, so as to promote growth and development, improve resistance, and reduce energy effect of demand

Inactive Publication Date: 2015-02-25
HUNAN AGRICULTURAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, when the floating seedlings are transplanted in the field, they will show the characteristics of slow recovery and growth, mainly because they are not suitable for absorbing water and nutrients from the soil.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] (1) Selection of seedling-raising substrate: After mixing grass charcoal and fertilizer (by Hunan Xianghui Agricultural Technology Development Co., Ltd.), the seedling-raising base used is a flue-cured tobacco room in Taoyuan County, Changde, Hunan Province, and the vent of the curing room is closed. deal with.

[0038] (2) Lamp rack setting: use stainless steel or wooden materials to build a layered structure for the placement of culture trays, with a length of 3m, a width of 2m, and a layer spacing of 60cm. Each layer is hung with a group of lamp tubes, and the height of the lamp tube suspension The distance from the surface of the culture plate is 30cm.

[0039] (3) Light source selection: each group of lamps is composed of 6 blue light and red light / 1:3 combination lamps + 6 fluorescent lamps. ) of 36W light-emitting diodes as the light source.

[0040] (4) Seedling-raising matrix loading: Before loading the tray, pour the seedling-raising matrix on the level grou...

Embodiment 1

[0046] Selection of seedling-raising substrate: After mixing grass charcoal and fertilizer (from Hunan Xianghui Agricultural Technology Development Co., Ltd.), the seedling-raising base used is the all-climate artificial incubator of Hunan Agricultural University. Light stand setting, light source selection, seedling raising substrate packing, sowing, light management, nutrient management, temperature and humidity management, cotton seedling pre-transplanting treatment are exactly the same as in Example 1. To produce the same amount of cotton seedlings requires an investment of 500,000 yuan in an all-climate artificial incubator, with 4,300 degrees of power consumption for lighting and 6,500 degrees for heating or cooling.

Embodiment 2

[0048] (1) Selection of seedling-raising substrate: After mixing grass charcoal and fertilizer (by Hunan Xianghui Agricultural Technology Development Co., Ltd.), the seedling-raising base used is a seedling-growing greenhouse in Guiyang County, Chenzhou, Hunan Province.

[0049] Seedling culture substrate packing, sowing, and humidity management are the same as in Example 1. The light source is a natural light source. The nutrient management is to prepare a 1000ppm nutrient solution and pour it into the floating pool. The nutrient solution is maintained at a height of 8-10 cm, reaching 4 leaves and 1 core. It is necessary to supplement 1-2 times of nutrient solution according to the growth of cotton seedlings, the temperature is natural, and there is no power consumption. It needs to invest 15,000 yuan in a greenhouse, and the time required for seedling cultivation is about 3 months.

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Abstract

The invention discloses a technology which is not restricted by the climate factor of winter and capable of rapidly cultivating cotton seedlings by utilizing an idle curing barn in a seedling cultivation curing workshop, and using LED (light-emitting diode) lamps and fluorescent lamps with different wavelengths and matching ratios as light sources, aiming at the climate obstacles of low temperature and sparse sunlight confronted by seedling cultivation in winter in Hunan. With the adoption of the method, a seedling cultivation period can be greatly shortened to 35 days from 120 days, thus greatly reducing labour needs, and enabling the seedlings to be adaptive to a transplanted soil environment soon.

Description

technical field [0001] The invention belongs to the field of modern cultivation technology, and relates to a method for quickly cultivating cotton seedlings, in particular to a method for rapidly cultivating cotton seedlings with heat preservation and light. Background technique [0002] Cotton is the seed fiber of the Malvaceae cotton plant, native to the subtropical zone. The plant is shrubby and can grow up to 6 meters high in tropical areas, generally 1 to 2 meters. The flowers are milky white, turn dark red shortly after flowering and then wither, leaving small green capsules called cotton bolls. There are cottonseeds in the bolls, and the fluff on the cottonseeds grows from the skin of the cottonseeds and fills the inside of the cotton bolls. When the cotton bolls mature, they split open, exposing the soft fibers. The fibers are white to white with yellow, about 2 to 4 cm long, containing about 87 to 90% cellulose. The countries with the highest cotton production i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/00
Inventor 周仲华陈金湘王峰李瑞莲刘爱玉张昊
Owner HUNAN AGRICULTURAL UNIV