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Vegetable seedling substrate and preparation method thereof

A technology for vegetable seedling substrates and mixed substrates, applied in the field of seedling substrates, can solve problems such as mammalian poisoning, reduce substrates, poor ventilation and water permeability, and achieve the effects of reducing the risks of diseases and insect pests, promoting resource reuse, and reducing pollution problems.

Pending Publication Date: 2021-02-26
BEIJING FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although studies have shown that when preparing seedling substrates, adding an appropriate amount of cow dung compost can increase the emergence rate of plants, promote the growth and development of plant seedlings, and obtain high-quality plant seedlings, which can replace peat as organic materials for soilless cultivation of vegetables. However, there are the following defects in the use of cow dung compost in cultivation: 1) the bulk density is high, and the ventilation and water permeability are poor, which is not conducive to the growth of vegetable roots; Negative Effects
But it also brings the problem that the substrate is easy to float when watering, which is not conducive to the fixation of the root system of vegetable seedlings.
And, along with the addition of these materials, the safety of matrix declines, need to add fungicide (as carbendazim) in the matrix to prevent and treat the possible disease in the seedling raising process, protect the safety of vegetable seedling, but, fungicide often is harmful to Mammals have a certain toxic effect, and there are safety risks when using them; 2) adding acid modifiers, such as wood vinegar, bamboo vinegar, humic acid powder, etc., adding these modifiers can significantly reduce the pH of the matrix, but the matrix The improvement of physical properties has no effect, and even when the amount of addition is not suitable, it will cause problems such as matrix compaction; 3) Use as an organic fertilizer

Method used

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  • Vegetable seedling substrate and preparation method thereof
  • Vegetable seedling substrate and preparation method thereof
  • Vegetable seedling substrate and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0066] 1. Preparation of activated EM bacterial agent

[0067] 1A. Add brown sugar to boiled distilled water / or tap water, stir and melt, continue to boil for 15min (usually 10-20min) to achieve the purpose of sterilization, and make brown sugar aqueous solution, wherein the mixture of brown sugar and distilled water / or tap water The mass ratio is 1:8 (usually 1:(4-20), preferably 1:(6-10));

[0068] 1B. Naturally cool brown sugar water until the temperature is lower than 40°C (usually 25-38°C, preferably 30-35°C), then add EM bacteria agent, mix well and place in a sterilized airtight container (and the added EM bacteria The ratio of the volume of agent-brown sugar mixed solution to the volume of the sealed container is less than 2 / 3); and then activated and cultured at 30-38°C for 3 days to obtain the activated EM bacterial agent, wherein the activated EM bacterial agent The number of effective viable bacteria is ≥10 billion CFU / mL, and the pH value of the activated EM bact...

Embodiment 2

[0104] 1. Preparation of activated EM bacterial agent

[0105] Except that the mass ratio of brown sugar to distilled water / or tap water is 1:10; the brown sugar water is naturally cooled to below 35°C at room temperature and then added with EM bacteria agent; the volume ratio of the added EM bacteria agent to brown sugar water is 1:15 (Usually 1:7-15); EM microbial agent-brown sugar mixture is activated and cultured at 30-38°C for 5 days (usually 2-5 days) in a clean airtight container, until the number of effective viable bacteria in the activated EM microbial agent ≥10,000,000,000 CFU / mL, the pH value of the activated EM microbial agent is 4.5, except that the activated EM microbial agent is obtained, all the other are the same as step 1) of Example 1;

[0106] 2. Preparation of fermented rice washing water

[0107] Except that the mass ratio of rice washing water, EM bacterial agent (or activated EM bacterial agent) and fruit peel powder is 1:0.01:0.05; after 10 days of f...

Embodiment 3

[0115] 1. Preparation of activated EM bacterial agent

[0116] Except that the mass ratio of brown sugar to distilled water / or tap water is 1:6; the brown sugar water is naturally cooled to below 25°C at room temperature and then added with EM bacteria agent; the volume ratio of the added EM bacteria agent to brown sugar water is 1:15 ; EM bacterial agent-brown sugar mixture is activated and cultured at 30-38°C for 3 days (usually 2-5 days) in a clean airtight container, until the effective number of viable bacteria in the activated EM bacterial agent is ≥ 10 billion CFU / mL, and the activated EM The pH value of the bacterial agent is 3.5, except that the activated EM bacterial agent is obtained, all the other are identical to Example 1;

[0117] 2. Preparation of fermented rice washing water

[0118] Except that the weight ratio of rice to water is 1:15; the mass ratio of rice washing water, EM microbial agent (or the activated EM microbial agent prepared in step 1) and peel ...

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Abstract

The invention discloses a vegetable seedling substrate and a preparation method thereof. The preparation method of the vegetable seedling substrate comprises the following steps of firstly, conductingmixed substrate fermentation treatment on a mixed substrate; then adding fermentation treatment rice washing water into a fermented mixed material; and conducting drying treatment to obtain the vegetable seedling substrate, wherein the mixed substrate is prepared from vermiculite, peat and cow dung compost. The prepared vegetable seedling substrate is high in nutrient substance content and good in air permeability and water permeability, and the purposes of increasing the emergence rate of vegetables and promoting seedling growth are achieved under the condition that the peat is reduced.

Description

technical field [0001] The invention relates to a seedling raising substrate, in particular to a vegetable seedling raising substrate. Background technique [0002] Vegetables refer to a class of plants or fungi that can be cooked and cooked to become food. They are one of the indispensable foods in people's daily diet. They are rich in nutrients, including vitamin A, vitamin C and trace elements, etc. Provides nutrients such as vitamins and minerals necessary for the human body, and plays an important role in human health. [0003] Eating vegetables is an important way for people to absorb these nutrients, and with the increase in the rationalization of people's dietary structure and the improvement of people's requirements for quality of life, most people's demand for vegetables in terms of both quantity and quality continues to increase. Therefore, people's requirements for vegetable seedling substrates are also constantly increasing. It mainly needs to meet the followi...

Claims

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Application Information

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IPC IPC(8): A01G24/20A01G24/28A01G24/15
CPCA01G24/20A01G24/28A01G24/15Y02W30/40
Inventor 张璐郝丹白一帆殷泽欣
Owner BEIJING FORESTRY UNIVERSITY
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