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Light matrix for forest tree seedling culture and method for camphor tree container seedling culture

A technology for raising seedlings and seedling containers in containers is applied in the directions of planting substrates, botanical equipment and methods, culture medium, etc., which can solve the problems of poor ventilation and water permeability, weak stress resistance of seedlings, damage to the root system, etc., so as to improve quality and efficiency, improve Survival rate, low price effect

Inactive Publication Date: 2020-09-04
EXPERIMENTAL CENT OF SUBTROPICAL FORESTRY CHINESE ACAD OF FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the cultivation of camphor tree container seedlings, the mixed substrate of peat, sawdust and yellow heart soil has been reported and applied as the seedling substrate. However, the soil of this cultivation substrate is compact, and the ventilation and water permeability are poor. Intersperse and grow, therefore, be unfavorable for seedling root system growth, so seedling root system is not developed enough, seedling stress resistance is also weaker, and the root system that causes damage easily when the nursery stock cultivated by the bare root seedling method goes out of nursery, and then affects the growth of camphor tree container seedling, so Obtaining a kind of high-quality camphor tree light matrix seedling cultivation method has very important significance for improving the quality of camphor tree seedlings

Method used

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  • Light matrix for forest tree seedling culture and method for camphor tree container seedling culture
  • Light matrix for forest tree seedling culture and method for camphor tree container seedling culture
  • Light matrix for forest tree seedling culture and method for camphor tree container seedling culture

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Cultivation of camphor tree seedlings is in the seedling-raising container that diameter and length are 4.5cm * 10.0cm, and the seedling-raising substrate in the seedling-raising container is provided with four experimental groups by the volume ratio of peat, rice husk, sawdust, is respectively A1: 3: 3.5: 3.5; A2: 4:3:3; A3: 5:2.5:2.5; A4: 6:2:2, every 1m 3 Add 2.5kg of slow-release fertilizer to the substrate, and the contents of total nitrogen, available phosphorus and available potassium of the slow-release fertilizer are 180g·kg respectively -1 、60g·kg -1 and 120g·kg -1 , Determination of the growth index of camphor tree container seedlings, the result data are shown in Table 1.

[0026] Table 1 Effects of different substrate ratios on the growth indexes of camphor tree container seedlings

[0027]

[0028] As can be seen from Table 1, different substrate ratios have different effects on the growth index of camphor tree container seedlings, wherein when using...

Embodiment 2

[0030] The camphor seedlings are cultivated in diameter and length respectively as C1: 3.5cm * 4.5cm; C2: 4.0cm * 6.0cm; C3: 4.5cm * 10cm; The substrate is peat, rice husk, and sawdust volume ratio = 6:2:2, per 1m 3 Add 2.5kg of slow-release fertilizer to the substrate, and the contents of total nitrogen, available phosphorus and available potassium of the slow-release fertilizer are 180g·kg respectively -1 、60g·kg -1 and 120g·kg -1 , Determination of the growth index of camphor tree container seedlings, the result data are shown in Table 2.

[0031] Table 2 Effects of different seedling bag specifications on the growth index of camphor tree container seedlings

[0032]

[0033] As can be seen from Table 2, different seedling bag specifications have different effects on the growth index of camphor tree container seedlings, and when the seedling bag with a diameter and length of 5.0 cm × 12.0 cm is used as a seedling container, the growth index of camphor tree container s...

Embodiment 3

[0035] Cultivate camphor seedlings in a seedling container with a diameter and length of 4.5cm×10.0cm. The seedling substrate in the seedling container is peat, rice husk, and sawdust in a volume ratio of 4:3:3. 3 Add B1: 2.0kg; B2: 2.5kg; B3: 3.0kg; B4: 3.5kg; B5: 4.0kg slow-release fertilizer. The total nitrogen, available phosphorus and available potassium contents of the slow-release fertilizer are 180g·kg respectively -1 、60g·kg -1 and 120g·kg -1 , Determination of the growth index of camphor tree container seedlings, the result data are shown in Table 3.

[0036] The influence of the amount of different slow-release fertilizers in table 3 on the growth index of camphor tree container seedlings

[0037]

[0038] As can be seen from Table 3, the consumption of different slow-release fertilizers has different effects on the growth index of camphor tree container seedlings, wherein the consumption of slow-release fertilizers is 4.0kg / m 3 The growth index of camphor tree ...

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Abstract

The invention provides a light matrix for forest tree seedling culture and a method for camphor tree container seedling culture by using the light matrix for forest tree seedling culture, and belongsto the technical field of plant cultivation. The forest seedling culture light matrix comprises peat, rice husk and sawdust, and the volume ratio of the peat to the rice husk to the sawdust is (4-6):(2-3): (2-3). The invention further provides the method for camphor tree container seedling culture. The method comprises the step that camphor tree seedlings are transplanted into a seedling raisingcontainer containing a slow-release fertilizer and the forest tree seedling raising light matrix to be cultivated. By adjusting the proportion of the light matrix, the application amount of the slow-release fertilizer and the specification of the seedling culture container, the growth indexes such as the seedling height, the ground diameter, the height-diameter ratio, the aboveground biomass, theroot biomass, the stem biomass, the leaf biomass, the total biomass and the root-crown ratio of the camphor tree container seedlings are improved, and the survival rate of afforestation of the camphortree bare-rooted seedlings can be increased; and a scientific basis is provided for cultivation of high-quality container seedlings of camphor trees.

Description

technical field [0001] The invention belongs to the technical field of plant cultivation, and in particular relates to a light substrate for forest seedling cultivation and a method for cultivating camphor tree seedlings in containers. Background technique [0002] Camphor tree is an important precious timber and ecological afforestation tree species in the south. Systematic research on camphor tree seedling cultivation and afforestation technology plays an important role in improving the quality and efficiency of camphor tree plantation cultivation in my country. In production, the survival rate of bare-root seedlings of camphor tree is low, the suitable time for afforestation is short, and the growth is slow after afforestation, which are the key factors affecting the effectiveness of afforestation. Light-substrate container seedling cultivation is a new technology for forestry seedling cultivation and development in recent years, and it is a development trend of industria...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G24/28A01G24/25A01G24/23A01G31/02A01G24/10A01G31/00
CPCA01G31/00A01G31/02A01G24/10A01G24/23A01G24/25A01G24/28Y02P60/21
Inventor 何平厉月桥喻龙华张华聪
Owner EXPERIMENTAL CENT OF SUBTROPICAL FORESTRY CHINESE ACAD OF FORESTRY
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