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Method for conducting indoor lettuce planting through different LED light source combinations

A technology of LED light source and lettuce, which is applied in botany equipment and methods, horticultural methods, applications, etc., can solve the problems of high cost, slow plant growth, and low cultivation yield, and achieve improved commerciality and quality, high yield, and high quality. Good results

Inactive Publication Date: 2016-06-08
中科量农(深圳)农业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the cultivation yield of this purple or red lettuce variety is low, the plant grows slowly, and the cost is high, which cannot meet the needs of the market

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A method for indoor planting of red leaf lettuce by using different combinations of LED light sources, comprising the following steps:

[0026] (1) Preparation of seedlings:

[0027] Germinate the lettuce seeds at 18-23°C. After the seeds break and become white, they are sown in seedling trays or sponge cubes, in a hydroponic nutrient solution with an EC value of 1.2-2.4ms / cm and a pH value of 5.5-7.0. Hydroponics until 2 to 8 true leaves.

[0028] (2) Transplanting and planting and nutrient solution management:

[0029] Prepare the nutrient solution before transplanting, move the seedlings to the planting cup, fix the planting cup on the planting plate, and put it in the planting groove of the multi-layer three-dimensional planting frame. For the first 7 days after transplanting, the EC value of the nutrient solution is controlled at 1.2-2.0ms / cm, and the pH value is controlled at 5.5-7.0; after 7 days, the EC value of the nutrient solution is controlled at 2.0-2.5ms...

Embodiment 2

[0037] On the basis of Example 1, in this example, after the seedlings are transplanted, through the computer control system, turn on the LED light source with white: red combination of 9:1, keep the LED blue light source off, and adopt 9 hours of light per day. Keep it between 5000~20000lx and cultivate for 35~40 days.

[0038] Before harvesting, through the computer control system, turn on the LED light source with a blue:red combination of 5:1, and turn off the LED white light source, keep the light for 9 to 16 hours a day, and continuously light for 3 to 6 days to promote leaf color change and leaf growth. Thick, improving quality. In this embodiment, the lettuce grows fast and can be harvested within 40 to 45 days, with high yield and good quality.

Embodiment 3

[0040] On the basis of Example 1, in this example, after the seedlings are transplanted, through the computer control system, turn on the LED light source with a white: red combination of 5:1, keep the LED blue light source off, 9 hours of light every day, and the light intensity is maintained Between 5000~20000lx, cultivate for 35~40 days.

[0041] Before harvesting, through the computer control system, turn on the LED light source with a blue:red combination of 3:1, and turn off the LED white light source, keep the light for 9 to 16 hours every day, and continuously light for 3 to 6 days to promote leaf color change and leaf growth. Thick, improving quality. In this embodiment, it can be harvested in 40-45 days, with high yield and good quality.

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PUM

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Abstract

The invention provides a method for conducting indoor lettuce planting through different LED light source combinations. The method includes the following steps that lettuce seeds are germinated, seedling culture is conducted, and culturing is conducted till seedlings with 2-8 main leaves emerge are obtained; the seedlings are transplanted and subjected to field planting; after transplanting is conducted, illumination treatment is conducted on the seedlings, LED light sources with the white and red ratio being 1:1-9:1 are adopted, illumination is conducted for 9-16 hours each day, and culturing is conducted for 20-40 days; LED light sources with the blue and red ratio being 1:0-5:1 are adopted, illumination is conducted for 9-16 hours each day, culturing is conducted for 3-10 days, and then harvesting is conducted. By the adoption of the technical scheme, purple or red lettuce can be cultured rapidly, the yield is high, quality is good, and high production practicability is achieved.

Description

technical field [0001] The invention belongs to the technical field of vegetable cultivation, and in particular relates to a method for indoor planting of lettuce by using combinations of different LED light sources. Background technique [0002] With the continuous improvement of people's living standards, the importance of vegetables is getting higher and higher, and purple or red lettuce varieties are constantly entering people's lives. This kind of special vegetables used to be directly imported from abroad and reused. New varieties bred by advanced breeding techniques. In addition to the good-looking color, this special vegetable mostly contains special nutrition and unique flavor, and some have certain health care and disease prevention functions. For example, purple leaf lettuce contains anthocyanins, carotene, vitamin E, etc., and is also rich in minerals, such as phosphorus, calcium, potassium, magnesium, etc., and a small amount of copper, iron, zinc, and selenium...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01G7/04
CPCA01G7/045A01G22/00Y02P60/14
Inventor 王名光邝穗源周鸣波车晓艳张苗苗
Owner 中科量农(深圳)农业科技有限公司
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