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A kind of two-step larch seedling raising method

A larch and container seedling raising technology, applied in botany equipment and methods, horticulture, application, etc., can solve the problems of wasting land for afforestation survival rate, etc., achieve the effects of reducing management costs, making full use of resources, and reducing land use area

Active Publication Date: 2017-02-22
河北省林业和草原科学研究院
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0006] The technical problem to be solved by the present invention is to overcome the defects of wasting land and low afforestation survival rate in the seedling raising technology of larch in the prior art, and provide a method that can extend the afforestation time, save land use, improve the afforestation survival rate, and reduce afforestation. Restricted by season, a two-step larch seedling raising method with strong seedlings

Method used

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  • A kind of two-step larch seedling raising method
  • A kind of two-step larch seedling raising method

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Embodiment 1

[0035] From August to September in the autumn before seedling raising, the larch cones should be harvested in time when they change from green to yellowish brown. After harvesting, put it in the sun and expose it to the sun, turn it 3~4 times a day, tap it gently when the cones crack for 5~7 days to make the seeds come out, then put the seeds in a bag and rub them to remove the wings, remove impurities and fully dry them to make them hydrated The rate is between 8% and 9%, and it is stored in a cold storage.

[0036] At the beginning of April in the first year of seedling cultivation, choose a sunny, flat plot with complete watering facilities, and make a bed for the seedbed. The seedbed uses a high bed with a width of 100-120 cm, a height of 15 cm, a length of 20-30 m, and a width of 40 cm between the beds. It also serves as a drainage ditch and irrigation canal. Spray the seedbed with water once 3-5 days before sowing, and sow when it is semi-dry and semi-wet.

[0037]Sow ...

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Abstract

The invention relates to a two-step seedling culturing method for larches. The method concretely includes the steps that the larches are directly seeded in a field for seedling culturing, and then annual larch seedlings are transplanted into containers for seedling culturing. The technology of direct-seeding seedling culturing in the field and the technology of seedling culturing in the containers are ingeniously combined together, mutual complementarity is achieved, resources are fully used, the afforestation time is shortened, the amount of used land is reduced, afforestation is not limited by seasons, and the survival rate and the reserving rate of afforestation are increased.

Description

technical field [0001] The invention belongs to the technical field of forestry production, relates to tree seedling raising and afforestation technology, in particular to a larch two-step seedling raising method. Background technique [0002] Larch ( Larix gmelini ) is a deciduous tree of the genus Larix in the family Pinaceae. It has the advantages of fast growth, straight trunk, few nodes, tough material, straight texture, and corrosion resistance. It is suitable for buildings, poles, bridges, boats, sleepers, mine pillars, Used in furniture, utensils and wood fiber industrial raw materials. Larch is cold-resistant, light-loving, drought-resistant and barren, and has strong adaptability to soil. It is the main forest species in the forest regions of Northeast my country and Inner Mongolia, as well as alpine coniferous forests in North China and Southwest China. It is one of the three major coniferous timber forest species. It is a good tree species for building fast-grow...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/00
Inventor 王春荣毕君刘国臣高红真武亚敬王超杨靖宇
Owner 河北省林业和草原科学研究院
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