Taxus chinensis var mairei container seedling substrate and preparation method thereof

The invention relates to a technology of Taxus chinensis and container seedlings, which is applied to the substrate of Taxus chinensis and its preparation field, and achieves the effects of good seedling raising effect, reducing the usage of inoculants and increasing the chlorophyll content of leaves.

Active Publication Date: 2016-08-10
NANJING FORESTRY UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These literatures mainly explore the study of vinegar grains as a vegetable cultivation substrate, and there are no relevant rep

Method used

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  • Taxus chinensis var mairei container seedling substrate and preparation method thereof
  • Taxus chinensis var mairei container seedling substrate and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0018] The method for preparing the substrate of the southern yew container seedlings firstly prepares decomposed vinegar grains, and initially turns the fresh vinegar grains to dry, and adds EM bacterial agent when the moisture content reaches 60% to 70%, and then composts and ferments after mixing. Turn over every 3 to 5 days. From the 20th day of fermentation, samples were taken every 3 to 5 days to determine the germination index (GI). Specifically, the extract was obtained by extracting the fermented product at a ratio of 1:10 per unit dry weight to deionized water, and was measured by conventional GI measurement methods. The test seeds used were Shanghai Qing seeds. When the germination index reaches 85% on the 30th day of fermentation, it means that the fermentation is mature.

[0019] EM bacterial agent is purchased from the market, and the addition amount is 0.8-1.2kg per cubic meter of fresh vinegar grains;

[0020] Then prepare the primary decomposed vinegar grain...

Embodiment 2

[0029] The preparation method of the substrate of the southern yew container seedlings, first prepares the decomposed vinegar grains, and the fresh vinegar grains are initially turned over to dry, and when the moisture content reaches 60% to 70%, the composting is naturally fermented, and the fermentation process is carried out every 3 to 5 days. Turn over once. From the 20th day of fermentation, samples were taken every 3 to 5 days to determine the germination index (GI). Specifically, the extract was obtained by extracting the fermented product at a ratio of 1:10 per unit dry weight to deionized water, and was measured by conventional GI measurement methods. The test seeds used were Shanghai Qing seeds. On the 39th day of fermentation, the germination index reached 87%, indicating that the fermentation was mature.

[0030] Then prepare the primary decomposed vinegar grains and primary decomposed sawdust:

[0031] Preparation of preliminary decomposed vinegar grains: Turn o...

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Abstract

The invention discloses a taxus chinensis var mairei container seedling substrate. Thoroughly decomposed vinegar residue is added into fresh vinegar residue and sawdust; urea is also added in the sawdust; primary fermentation is performed; after the mixing, perlite is added; secondary fermentation is performed to form the substrate. The volume weight of the prepared substrate is 0.40+/-0.02g/cm<3>; the total porosity is 62.8+/-2.2 percent; the water holding porosity is 38.8+/-1.1 percent; the air porosity is 24.0+/-1.3 percent. The invention also discloses a preparation method of the taxus chinensis var mairei container seedling substrate. The substrate is mainly prepared from organic waste materials of the vinegar residue and the sawdust; the preparation process is simple; the operation is easy; the related raw materials are mainly organic waste fermentation products; the consumption of microbial inoculums is greatly reduced; the production cost is reduced; meanwhile, the integral utilization of waste resources is realized; the environment pollution is reduced. The prepared substrate has a good seedling effect; a conventional grass carbon substrate can be replaced; the cost is low; the market prospects are wide; the substrate prepared according to the preparation method has the advantages that the seedling height, the ground diameter and the total branch number of taxus chinensis var mairei container seedlings can be obviously improved; the chlorophyll content of leaves is improved.

Description

technical field [0001] The invention relates to a southern yew container seedling substrate and a preparation method thereof. Background technique [0002] Southern yew is one of the unique yew varieties in my country. Due to its combination of medicinal, material and ornamental purposes, the southern yew is also known as "plant gold", and it is a rare and endangered tree species in the world. And the southern yew is fast-growing in the early stage and has high biological yield, so it has great development and utilization value. But southern yew plant resources are scarce and difficult to cultivate, which has become the key to restrict the development of yew plantation and the sustainable utilization of resources. In the past 20 years, container seedling cultivation technology has been widely used in order to solve the problems of low emergence rate and survival rate and long cultivation cycle of yew in traditional field cultivation of yew. However, the substrate used for...

Claims

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Application Information

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IPC IPC(8): C05G1/00A01G9/10
Inventor 朱咏莉李萍萍徐勇峰韩建刚顾佳
Owner NANJING FORESTRY UNIV
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