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Production method of culture substrate especially for landscape plants

A technology of cultivation substrate and production method, applied in the directions of botanical equipment and methods, cultivation, soilless cultivation, etc., can solve the problems of poor chemical property stability, poor cation exchange capacity, low organic matter, etc., achieve improved properties, reduce C// N, the effect of easy storage

Inactive Publication Date: 2010-06-02
HANGZHOU NORMAL UNIVERSITY
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  • Abstract
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Problems solved by technology

In recent years, people have used agricultural organic waste as a cultivation substrate, but there are unfavorable factors such as poor chemical stability, high salt content, low organic matter, and poor cation exchange capacity. Compost products overcome these shortcomings and have gradually become the matrix material to replace peat.
However, at this stage, the development and use of compost products in China are mainly focused on agricultural applications, and there are few reports on compost products dedicated to cultivation substrates

Method used

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  • Production method of culture substrate especially for landscape plants

Examples

Experimental program
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Effect test

Embodiment 1

[0021] (1) Composting process: see composting process figure 1 . details as follows:

[0022] Crushing the dregs into particles with a length less than 1cm; weighing the dewatered sludge, sawdust and dregs respectively according to a certain ratio (wet weight ratio); mixing the dewatered sludge with the broken dregs and sawdust in the mixing system Uniform; control the water content, carbon-nitrogen ratio and pH value of the raw materials within the appropriate range; enter the fermentation system and use strip-stack composting for preliminary composting fermentation (primary fermentation), regularly turn over the pile for oxygen supply, and control the moisture content of the pile; the composting process The three wastes produced enter the fertilizer collection system for centralized treatment; the primary fermentation products are sieved to remove sawdust, straw and other debris larger than 1cm, and then enter the fermentation system for secondary fermentation; at the same ...

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Abstract

The invention provides a production method of a culture substrate especially for landscape plants, comprising the following step of: composting dewatering sludge, wood flour and waste decoction dregs according to the mass ratio (by wet weight) of 3: 0.5 to 2: 1 to 3 as main materials to obtain the culture substrate especially for landscape plants, wherein the dewatering sludge is sludge that is from an urban living sewage treatment plant and dewatered till the water content reaches more than 90 percent. The main composting accessory adopted in the method, namely, the waste decoction dregs in a Chinese medicine factory contain a plurality of microelements that are beneficial to plant growth, have larger porosity, can accelerate the fermentation process of the sludge composting, improve the property of the substrate product, play a slow-release role to fertilizers applied in soil, and is suitable for the development of soilless culture substrate simultaneously, thereby being a more suitable sludge composting accessory.

Description

(1) Technical field [0001] The invention relates to a production method of a special cultivation substrate for garden plants, in particular to a method for producing a special cultivation substrate for garden plants by composting sludge from an urban domestic sewage plant. (2) Background technology [0002] With the rapid development of our country's economy and the development of urbanization, the problem of outlets for urban and rural domestic garbage, livestock and poultry farming waste, and rural straw and other organic solid waste is becoming increasingly severe. If it is not handled properly, it will cause pollution to the environment. Their disposal often takes up other environmental resources and energy. However, these organic wastes have some common resource properties and are rich in nutrients, which can provide high-quality nutrient sources for plant growth. Under the new situation of advocating circular economy, giving priority to efficiency, and building a harm...

Claims

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Application Information

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IPC IPC(8): A01G31/00
CPCY02P60/21
Inventor 王繁
Owner HANGZHOU NORMAL UNIVERSITY
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