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Light supplement seedling culture method for Lijiang spruce container seedlings and application thereof

A container seedling and supplementary light technology, which is applied in the field of plant seedlings, can solve the problems of slow growth at the seedling stage and juvenile stage, and achieve the effects of complete and robust seedling development, delay capping, and ensure the survival rate of seedlings

Inactive Publication Date: 2014-03-19
INST OF FORESTRY CHINESE ACAD OF FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In order to solve the above-mentioned technical problems, one of the objects of the present invention is to provide a method for supplementing light seedling cultivation specially suitable for container seedlings of Lijiang spruce. slow growing problem

Method used

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  • Light supplement seedling culture method for Lijiang spruce container seedlings and application thereof
  • Light supplement seedling culture method for Lijiang spruce container seedlings and application thereof
  • Light supplement seedling culture method for Lijiang spruce container seedlings and application thereof

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Experimental program
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Embodiment 1

[0076] Except for the following conditions, the content of this embodiment is the same as the specific technical solution in the above-mentioned specific embodiments:

[0077] During the breeding process:

[0078] (1) In the nursery substrate: pastoral soil and peat soil with a volume ratio of 3:2, and according to the total volume of pastoral soil and peat soil, add 15kg of chicken manure to each cubic meter of pastoral soil and peat soil , 8kg of phosphate fertilizer, 0.5kg of zinc mixed with phosphorus, and adding 1.5kg of ferrous sulfate; the organic matter content in the seedling substrate is 8.2g / kg; the pH value of the seedling substrate is 6.5.

[0079] In (3) the start time of supplementary light: after about 80% of the seedlings in the container are shelled, the supplementary light is started; light source: fluorescent lamp (Xinghe brand, produced by Hebei University of Science and Technology, power 36W, main wavelength peaks 450nm and 640nm, light color Fuchsia); s...

Embodiment 2

[0091] Other conditions are the same as embodiment 1, and the difference is, in the process of growing seedlings:

[0092] (1) In the nursery substrate: pastoral soil and peat soil with a volume ratio of 3:2, and then according to the total volume of pastoral soil and peat soil, add 10kg of chicken manure to each cubic meter of pastoral soil and peat soil , 10kg of phosphate fertilizer, 0.8kg of zinc mixed with phosphorus, and adding 1.2kg of ferrous sulfate; the organic matter content in the seedling substrate is 8.0g / kg; the pH value of the seedling substrate is 6.8.

Embodiment 3

[0094] Other conditions are the same as embodiment 1, and the difference is, in the process of growing seedlings:

[0095] (1) In the nursery substrate: pastoral soil and peat soil with a volume ratio of 3:2, and according to the total volume of pastoral soil and peat soil, add 20kg of chicken manure to each cubic meter of pastoral soil and peat soil , 5kg of phosphate fertilizer, 0.2kg of zinc mixed with phosphorus, and adding 1.8kg of ferrous sulfate; the organic matter content in the seedling substrate is 8.5g / kg; the pH value of the seedling substrate is 6.2.

[0096] The seedling raising effect of other embodiments of the present invention is similar to that of embodiment 1, better with embodiment 1.

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Abstract

The invention relates to a light supplement seedling culture method for Lijiang spruce container seedlings and application thereof. The method comprises the steps that light supplement processing is performed on the container seedlings after Lijiang spruce seeds are sowed; light supplement comprises that light is supplemented continuously for two years during growing seasons of the container seedlings after the container seedlings at the seedling stage are unshelled: light is supplemented after the container seedlings at the seedling stage are unshelled during a first growth year of the container seedlings, and the light supplement is performed from 22:00 to 2:00 for 100-110 days; light is supplemented when the container seedlings spread leaves during a second growth year of the container seedlings, and the light supplement is performed from 21:00 to 1:00 for 110-120 days. The light supplement seedling culture method solves the problem that the container seedlings grow slowly in the seedling stage and the juvenile stage during seedling culture of Lijiang spruce, greatly quickens growth of the Lijiang spruce in the seedling stage, delays top enclosing, promotes outplanting in advance, and effectively ensures the survival rate and the nursery preserving rate of Lijiang spruce. Furthermore, the light supplement seedling culture method is short in period, low in cost and capable of allowing Lijiang spruce to be supplied for afforestation in a large-scale mode.

Description

technical field [0001] The present invention relates to a plant seedling raising method, in particular to a Lijiang spruce container seedling seedling raising method with supplementary light, and the application of the method. Background technique [0002] Lijiang spruce (Picea likiangensis) Pinaceae, Picea. Produced in the alpine regions of southwest Sichuan and northwest Yunnan, China, forming large areas of simple forests. The wood is light, soft and durable, and can be used for construction, sleepers, appliances, papermaking and other materials. The wood has straight texture, dense structure, excellent material and easy processing. It is an important cold-temperate coniferous tree species in my country. It has the characteristics of fast growth and excellent material quality. It is the main afforestation tree species in its distribution area and is also widely cultivated as garden ornamental tree species. However, Lijiang spruce grows slowly at the seedling and juveni...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01G7/04A01G9/10A01G7/06
CPCY02P60/14
Inventor 王军辉欧阳芳群张守攻马建伟蒋明
Owner INST OF FORESTRY CHINESE ACAD OF FORESTRY
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