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Method for rapidly cultivating cotton seedlings

A cotton and seedling technology, applied in the fields of botanical equipment and methods, horticulture, application, etc., can solve the problems of absorbing water and nutrients, incompatibility, slow recovery of growth, etc., to promote growth and development, reduce energy requirements, and develop root systems. Effect

Inactive Publication Date: 2013-03-27
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

[0038] (1) Selection of seedling substrate: After mixing with grass charcoal and fertilizer (by Hunan Xianghui Agricultural Technology Development Co., Ltd.), the seedling base used is a room for roasting cotton seedlings in Taoyuan County, Changde, Hunan Province. Close processing.

[0039] (2) Lamp rack setting: stainless steel or wood material is used to build a layered structure, which is used for the placement of the culture plate. The length is 3m, the width is 2m, and the layer spacing is 60cm. Each layer is hung with a set of lamps, and the suspension height of the lamps is Both are 30 cm away from the surface of the culture plate.

[0040] (3) Light source selection: each group of lamps is 6 pcs of blue and red light / 1:3 combination lamps + 6 pcs fluorescent lamps, fluorescent lamps, red light and blue light are 40W fluorescent lamps and wavelengths of 630 nm (red light) and 450 nm respectively (blue light) 36 W LEDs as light source.

[0041] (4) Loading the seedl...

Embodiment 1

[0047] Selection of seedling substrate: After mixing with grass charcoal and fertilizer (by Hunan Xianghui Agricultural Technology Development Co., Ltd.), the seedling base used is an all-climate artificial incubator of Hunan Agricultural University. Lamp frame setting, light source selection, seedling substrate loading, sowing, lighting management, nutrient management, temperature and humidity management, and pre-transplantation treatment of cotton seedlings are exactly the same as in Example 1. The production of the same number of cotton seedlings requires an investment of 500,000 yuan in an all-climate artificial incubator, with a power consumption of 4,300 kWh for lighting and 6,500 kWh for heating or cooling.

Embodiment 2

[0049] (1) Selection of seedling base: after mixing with grass charcoal and fertilizer (by Hunan Xianghui Agricultural Technology Development Co., Ltd.), the used seedling base is a seedling greenhouse in Guiyang County, Chenzhou, Hunan Province.

[0050] The seedling substrate loading, sowing, and humidity management are consistent with those in Example 1, the light source adopts natural light source, and the nutrient management adopts the preparation of 1000 ppm nutrient solution and pours it into the floating pond, and the nutrient solution height is maintained at 8-10 cm, reaching 4 leaves 1 At the heart, it is necessary to supplement the nutrient solution 1-2 times according to the growth of the cotton seedlings, the temperature is natural, and there is no power consumption. It needs to invest 15,000 yuan in the 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 bolls mature, they split open, exposing the soft fibers. The fibers are white to white with yellow, about 2 to 4 cm long, and contain about 87 to 90% cellulose. The countries with the highest cotton production include...

Claims

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Application Information

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IPC IPC(8): A01G1/00
Inventor 殷勇
Owner HUNAN AGRICULTURAL UNIV
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